From 557b73241ff265562aede06ebd7b17531004f439 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 14:21:57 +0530
Subject: [PATCH 01/13] /DowngradeMbStrContainsRector

---
 .../DowngradeMbStrContainsRectorTest.php      |  28 +++++
 .../Fixture/not_str_contains.php.inc          |  27 +++++
 .../Fixture/str_contains.php.inc              |  27 +++++
 .../str_contains.php_with_mixed.php.inc       |  29 +++++
 .../config/configured_rule.php                |  10 ++
 .../FuncCall/DowngradeMbStrContainsRector.php | 103 ++++++++++++++++++
 6 files changed, 224 insertions(+)
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php_with_mixed.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php
 create mode 100644 rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php

diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php
new file mode 100644
index 00000000..1ccea45d
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class DowngradeMbStrContainsRectorTest extends AbstractRectorTestCase
+{
+    #[DataProvider('provideData')]
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): Iterator
+    {
+        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
new file mode 100644
index 00000000..a1d502e2
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+final class NoStrContains
+{
+    public function run()
+    {
+        return ! str_contains('abc', 'b');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+final class NoStrContains
+{
+    public function run()
+    {
+        return mb_strpos('abc', 'b') === false;
+    }
+}
+
+?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php.inc
new file mode 100644
index 00000000..a240db65
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+final class StrContains
+{
+    public function run()
+    {
+        str_contains('abc', 'b');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+final class StrContains
+{
+    public function run()
+    {
+        mb_strpos('abc', 'b') !== false;
+    }
+}
+
+?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php_with_mixed.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php_with_mixed.php.inc
new file mode 100644
index 00000000..38797756
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php_with_mixed.php.inc
@@ -0,0 +1,29 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+final class StrContainsPhpWithMixed
+{
+    public function run($haystack, $needle)
+    {
+        str_contains($haystack, 'ab');
+        str_contains('abc', $needle);
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+final class StrContainsPhpWithMixed
+{
+    public function run($haystack, $needle)
+    {
+        mb_strpos($haystack, 'ab') !== false;
+        mb_strpos('abc', $needle) !== false;
+    }
+}
+
+?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php
new file mode 100644
index 00000000..e654dc06
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rule(DowngradeMbStrContainsRector::class);
+};
diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
new file mode 100644
index 00000000..0aed1b2c
--- /dev/null
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
@@ -0,0 +1,103 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\DowngradePhp80\Rector\FuncCall;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr\BinaryOp\Identical;
+use PhpParser\Node\Expr\BinaryOp\NotIdentical;
+use PhpParser\Node\Expr\BooleanNot;
+use PhpParser\Node\Expr\FuncCall;
+use Rector\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @changelog https://wiki.php.net/rfc/str_contains
+ *
+ * @see \Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\DowngradeMbStrContainsRectorTest
+ */
+final class DowngradeMbStrContainsRector extends AbstractRector
+{
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Replace str_contains() with mb_strpos() !== false',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+class SomeClass
+{
+    public function run()
+    {
+        return str_contains('abc', 'a');
+    }
+}
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+class SomeClass
+{
+    public function run()
+    {
+        return mb_strpos('abc', 'a') !== false;
+    }
+}
+CODE_SAMPLE
+                ),
+            ]
+        );
+    }
+
+    /**
+     * @return array<class-string<Node>>
+     */
+    public function getNodeTypes(): array
+    {
+        return [FuncCall::class, BooleanNot::class];
+    }
+
+    /**
+     * @param FuncCall|BooleanNot $node
+     * @return Identical|NotIdentical|null The refactored node.
+     */
+    public function refactor(Node $node): Identical | NotIdentical | null
+    {
+        $funcCall = $this->matchStrContainsOrNotStrContains($node);
+
+        if (! $funcCall instanceof FuncCall) {
+            return null;
+        }
+
+        $args = $funcCall->getArgs();
+        if (count($args) < 2) {
+            return null;
+        }
+
+        $haystack = $args[0]->value;
+        $needle = $args[1]->value;
+
+        $funcCall = $this->nodeFactory->createFuncCall('mb_strpos', [$haystack, $needle]);
+
+        if ($node instanceof BooleanNot) {
+            return new Identical($funcCall, $this->nodeFactory->createFalse());
+        }
+
+        return new NotIdentical($funcCall, $this->nodeFactory->createFalse());
+    }
+
+    private function matchStrContainsOrNotStrContains(FuncCall | BooleanNot $expr): ?FuncCall
+    {
+        $expr = ($expr instanceof BooleanNot) ? $expr->expr : $expr;
+        if (! $expr instanceof FuncCall) {
+            return null;
+        }
+
+        if (! $this->isName($expr, 'str_contains')) {
+            return null;
+        }
+
+        return $expr;
+    }
+}

From 2402d3976402d70ee974a21824c1cf4d41c3b71b Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 14:23:02 +0530
Subject: [PATCH 02/13] /DowngradeMbStrContainsRector

---
 config/set/downgrade-php80.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/config/set/downgrade-php80.php b/config/set/downgrade-php80.php
index ce89592e..34b19dbc 100644
--- a/config/set/downgrade-php80.php
+++ b/config/set/downgrade-php80.php
@@ -19,6 +19,7 @@
 use Rector\DowngradePhp80\Rector\Expression\DowngradeMatchToSwitchRector;
 use Rector\DowngradePhp80\Rector\Expression\DowngradeThrowExprRector;
 use Rector\DowngradePhp80\Rector\FuncCall\DowngradeArrayFilterNullableCallbackRector;
+use Rector\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector;
 use Rector\DowngradePhp80\Rector\FuncCall\DowngradeNumberFormatNoFourthArgRector;
 use Rector\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsRector;
 use Rector\DowngradePhp80\Rector\FuncCall\DowngradeStrEndsWithRector;
@@ -70,6 +71,7 @@
         DowngradePropertyPromotionRector::class,
         DowngradeNonCapturingCatchesRector::class,
         DowngradeStrContainsRector::class,
+        DowngradeMbStrContainsRector::class,
         DowngradeMatchToSwitchRector::class,
         DowngradeClassOnObjectToGetClassRector::class,
         DowngradeArbitraryExpressionsSupportRector::class,

From 8b15495268be8edc86b408d6b6e2ec79a991f876 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 20:26:57 +0530
Subject: [PATCH 03/13] /DowngradeMbStrContainsRector

---
 .../Fixture/fixture_equal.php.inc             | 27 +++++++++++++++++++
 .../Fixture/identical_mb_strpos.php.inc       | 27 +++++++++++++++++++
 .../Fixture/not_equal_mb_strstr.php.inc       | 27 +++++++++++++++++++
 .../Fixture/not_strstr.php.inc                | 27 +++++++++++++++++++
 .../Fixture/offset_equal_strpos.php.inc       | 25 +++++++++++++++++
 .../offset_expression_equal_strpos.php.inc    | 27 +++++++++++++++++++
 .../offset_expression_mb_strpos.php.inc       | 27 +++++++++++++++++++
 .../offset_negative_equal_strpos.php.inc      | 25 +++++++++++++++++
 .../Fixture/offset_negative_strpos.php.inc    | 25 +++++++++++++++++
 .../Fixture/offset_strpos.php.inc             | 25 +++++++++++++++++
 .../offset_variable_equal_strpos.php.inc      | 27 +++++++++++++++++++
 .../Fixture/offset_variable_strpos.php.inc    | 27 +++++++++++++++++++
 .../offset_variable_zero_equal_strpos.php.inc | 27 +++++++++++++++++++
 .../offset_variable_zero_strpos.php.inc       | 27 +++++++++++++++++++
 .../Fixture/strstr.php.inc                    | 27 +++++++++++++++++++
 .../Fixture/the_other_way.php.inc             | 27 +++++++++++++++++++
 .../Fixture/the_other_way_equal.php.inc       | 27 +++++++++++++++++++
 .../FuncCall/DowngradeMbStrContainsRector.php | 25 ++++++++++++++++-
 18 files changed, 475 insertions(+), 1 deletion(-)
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc

diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
new file mode 100644
index 00000000..37b69fc0
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class Fixture
+{
+    public function run()
+    {
+        $isMatch = str_contains('😊abc', 'a');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class Fixture
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('😊abc', 'a') !== false;
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
new file mode 100644
index 00000000..1eb03f8a
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class IdenticalStrpos
+{
+    public function run()
+    {
+        $isMatch = !str_contains('abc😊', 'a');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class IdenticalStrpos
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc😊', 'a') === false;
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
new file mode 100644
index 00000000..02d222e6
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class IdenticalStrstr
+{
+    public function run()
+    {
+        $isMatch = !str_contains('abc', 'a');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class IdenticalStrstr
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a') === false;
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
new file mode 100644
index 00000000..02d222e6
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class IdenticalStrstr
+{
+    public function run()
+    {
+        $isMatch = !str_contains('abc', 'a');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class IdenticalStrstr
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a') === false;
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
new file mode 100644
index 00000000..262aa2c0
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
@@ -0,0 +1,25 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetStrpos
+{
+    public function run()
+    {
+        $isMatch = str_contains(mb_substr('abc', 1), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetStrpos
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a', 1) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
new file mode 100644
index 00000000..92f8e1ed
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetExpressionStrpos
+{
+    public function run()
+    {
+        $offset = 1;
+        $isMatch = str_contains(mb_substr('abc', $offset + 1), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetExpressionStrpos
+{
+    public function run()
+    {
+        $offset = 1;
+        $isMatch = mb_strpos('abc', 'a', $offset + 1) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
new file mode 100644
index 00000000..92f8e1ed
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetExpressionStrpos
+{
+    public function run()
+    {
+        $offset = 1;
+        $isMatch = str_contains(mb_substr('abc', $offset + 1), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetExpressionStrpos
+{
+    public function run()
+    {
+        $offset = 1;
+        $isMatch = mb_strpos('abc', 'a', $offset + 1) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
new file mode 100644
index 00000000..ce0c2637
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
@@ -0,0 +1,25 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetNegativeStrpos
+{
+    public function run()
+    {
+        $isMatch = str_contains(mb_substr('abc', -1), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetNegativeStrpos
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a', -1) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
new file mode 100644
index 00000000..ce0c2637
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
@@ -0,0 +1,25 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetNegativeStrpos
+{
+    public function run()
+    {
+        $isMatch = str_contains(mb_substr('abc', -1), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetNegativeStrpos
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a', -1) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
new file mode 100644
index 00000000..262aa2c0
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
@@ -0,0 +1,25 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetStrpos
+{
+    public function run()
+    {
+        $isMatch = str_contains(mb_substr('abc', 1), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetStrpos
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a', 1) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
new file mode 100644
index 00000000..2cf0080f
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetVariableStrpos
+{
+    public function run()
+    {
+        $offset = 1;
+        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetVariableStrpos
+{
+    public function run()
+    {
+        $offset = 1;
+        $isMatch = mb_strpos('abc', 'a', $offset) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
new file mode 100644
index 00000000..7e69a0ee
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetVariableStrpos
+{
+    public function run()
+    {
+        $offset = 1;
+        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetVariableStrpos
+{
+    public function run()
+    {
+        $offset = 1;
+        $isMatch = mb_strpos('abc', 'a', $offset) !== false;
+    }
+}
+?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
new file mode 100644
index 00000000..04cdfdcc
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetVariableZeroStrpos
+{
+    public function run()
+    {
+        $offset = 0;
+        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetVariableZeroStrpos
+{
+    public function run()
+    {
+        $offset = 0;
+        $isMatch = mb_strpos('abc', 'a', $offset) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
new file mode 100644
index 00000000..04cdfdcc
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetVariableZeroStrpos
+{
+    public function run()
+    {
+        $offset = 0;
+        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
+    }
+}
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class OffsetVariableZeroStrpos
+{
+    public function run()
+    {
+        $offset = 0;
+        $isMatch = mb_strpos('abc', 'a', $offset) !== false;
+    }
+}
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
new file mode 100644
index 00000000..ef9d4445
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class Strstr
+{
+    public function run()
+    {
+        $isMatch = str_contains('abc', 'a');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class Strstr
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a') !== false;
+    }
+}
+
+?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
new file mode 100644
index 00000000..7a60ab6e
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class TheOtherWay
+{
+    public function run()
+    {
+        $isMatch = str_contains('abc', 'a');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class TheOtherWay
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a') !== false;
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
new file mode 100644
index 00000000..bef5773f
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
@@ -0,0 +1,27 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class TheOtherWay
+{
+    public function run()
+    {
+        $isMatch = str_contains('abc', 'a');
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class TheOtherWay
+{
+    public function run()
+    {
+        $isMatch = mb_strpos('abc', 'a') !== false;
+    }
+}
+
+?>
diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
index 0aed1b2c..439b6ea4 100644
--- a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
@@ -5,6 +5,7 @@
 namespace Rector\DowngradePhp80\Rector\FuncCall;
 
 use PhpParser\Node;
+use PhpParser\Node\Arg;
 use PhpParser\Node\Expr\BinaryOp\Identical;
 use PhpParser\Node\Expr\BinaryOp\NotIdentical;
 use PhpParser\Node\Expr\BooleanNot;
@@ -77,8 +78,30 @@ public function refactor(Node $node): Identical | NotIdentical | null
 
         $haystack = $args[0]->value;
         $needle = $args[1]->value;
+        $offset = null;
 
-        $funcCall = $this->nodeFactory->createFuncCall('mb_strpos', [$haystack, $needle]);
+        if($haystack instanceof FuncCall){
+            if(!$this->isName($haystack->name, 'mb_substr')){
+                return null;
+            }
+            $substrArg = $haystack->getArgs();
+            if(isset($substrArg[0]) && !$substrArg[0] instanceof Arg){
+                return null;
+            }
+            if(isset($substrArg[1]) && !$substrArg[1] instanceof Arg){
+                return null;
+            }
+            $haystack = $substrArg[0];
+            $offset = $substrArg[1];
+        }
+
+        if($offset instanceof Arg){
+            $funcCall = $this->nodeFactory->createFuncCall('mb_strpos', [$haystack, $needle, $offset]);
+        }
+        
+        if(!$offset instanceof Arg){
+            $funcCall = $this->nodeFactory->createFuncCall('mb_strpos', [$haystack, $needle]);
+        }
 
         if ($node instanceof BooleanNot) {
             return new Identical($funcCall, $this->nodeFactory->createFalse());

From cdbbf49375309fbd7d46c5077701eb3393db8854 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 20:31:21 +0530
Subject: [PATCH 04/13] /DowngradeMbStrContainsRector

---
 .../FuncCall/DowngradeMbStrContainsRector.php      | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
index 439b6ea4..e0c652a2 100644
--- a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
@@ -80,26 +80,26 @@ public function refactor(Node $node): Identical | NotIdentical | null
         $needle = $args[1]->value;
         $offset = null;
 
-        if($haystack instanceof FuncCall){
-            if(!$this->isName($haystack->name, 'mb_substr')){
+        if ($haystack instanceof FuncCall) {
+            if (! $this->isName($haystack->name, 'mb_substr')) {
                 return null;
             }
             $substrArg = $haystack->getArgs();
-            if(isset($substrArg[0]) && !$substrArg[0] instanceof Arg){
+            if (isset($substrArg[0]) && ! $substrArg[0] instanceof Arg) {
                 return null;
             }
-            if(isset($substrArg[1]) && !$substrArg[1] instanceof Arg){
+            if (isset($substrArg[1]) && ! $substrArg[1] instanceof Arg) {
                 return null;
             }
             $haystack = $substrArg[0];
             $offset = $substrArg[1];
         }
 
-        if($offset instanceof Arg){
+        if ($offset instanceof Arg) {
             $funcCall = $this->nodeFactory->createFuncCall('mb_strpos', [$haystack, $needle, $offset]);
         }
-        
-        if(!$offset instanceof Arg){
+
+        if (! $offset instanceof Arg) {
             $funcCall = $this->nodeFactory->createFuncCall('mb_strpos', [$haystack, $needle]);
         }
 

From 66560926d5e8a9061adf245df200f1aee393f4d2 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 21:02:13 +0530
Subject: [PATCH 05/13] /DowngradeMbStrContainsRector

---
 .../Fixture/fixture_equal.php.inc             |  4 +--
 .../Fixture/identical_mb_strpos.php.inc       |  4 +--
 .../Fixture/not_equal_mb_strstr.php.inc       |  4 +--
 .../Fixture/not_str_contains.php.inc          |  4 +--
 .../Fixture/not_strstr.php.inc                |  4 +--
 .../Fixture/offset_equal_strpos.php.inc       |  4 +--
 .../offset_expression_equal_strpos.php.inc    |  4 +--
 .../offset_expression_mb_strpos.php.inc       |  4 +--
 .../offset_negative_equal_strpos.php.inc      |  4 +--
 .../Fixture/offset_negative_strpos.php.inc    |  4 +--
 .../Fixture/offset_strpos.php.inc             |  4 +--
 .../offset_variable_equal_strpos.php.inc      |  4 +--
 .../Fixture/offset_variable_strpos.php.inc    |  4 +--
 .../offset_variable_zero_equal_strpos.php.inc |  4 +--
 .../offset_variable_zero_strpos.php.inc       |  4 +--
 .../Fixture/skip_str_contains.php.inc         | 13 +++++++++
 .../skip_str_contains.php_with_mixed.php.inc  | 14 +++++++++
 .../Fixture/str_contains.php.inc              | 27 -----------------
 .../str_contains.php_with_mixed.php.inc       | 29 -------------------
 .../Fixture/strstr.php.inc                    |  4 +--
 .../Fixture/the_other_way.php.inc             |  4 +--
 .../Fixture/the_other_way_equal.php.inc       |  4 +--
 .../FuncCall/DowngradeMbStrContainsRector.php | 14 +++++++--
 23 files changed, 75 insertions(+), 94 deletions(-)
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc
 delete mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php.inc
 delete mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php_with_mixed.php.inc

diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
index 37b69fc0..3f4802c6 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
@@ -6,7 +6,7 @@ class Fixture
 {
     public function run()
     {
-        $isMatch = str_contains('😊abc', 'a');
+        $isMatch = str_contains('😊abc', '😊a');
     }
 }
 
@@ -20,7 +20,7 @@ class Fixture
 {
     public function run()
     {
-        $isMatch = mb_strpos('😊abc', 'a') !== false;
+        $isMatch = mb_strpos('😊abc', '😊a') !== false;
     }
 }
 
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
index 1eb03f8a..2d7e7f7a 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
@@ -6,7 +6,7 @@ class IdenticalStrpos
 {
     public function run()
     {
-        $isMatch = !str_contains('abc😊', 'a');
+        $isMatch = !str_contains('abc😊', '😊a');
     }
 }
 
@@ -20,7 +20,7 @@ class IdenticalStrpos
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc😊', 'a') === false;
+        $isMatch = mb_strpos('abc😊', '😊a') === false;
     }
 }
 
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
index 02d222e6..8213fa94 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
@@ -6,7 +6,7 @@ class IdenticalStrstr
 {
     public function run()
     {
-        $isMatch = !str_contains('abc', 'a');
+        $isMatch = !str_contains('😊abc', '😊a');
     }
 }
 
@@ -20,7 +20,7 @@ class IdenticalStrstr
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a') === false;
+        $isMatch = mb_strpos('😊abc', '😊a') === false;
     }
 }
 
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
index a1d502e2..cd27a020 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
@@ -6,7 +6,7 @@ final class NoStrContains
 {
     public function run()
     {
-        return ! str_contains('abc', 'b');
+        return ! str_contains('😊abc', 'b😊');
     }
 }
 
@@ -20,7 +20,7 @@ final class NoStrContains
 {
     public function run()
     {
-        return mb_strpos('abc', 'b') === false;
+        return mb_strpos('😊abc', 'b😊') === false;
     }
 }
 
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
index 02d222e6..8213fa94 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
@@ -6,7 +6,7 @@ class IdenticalStrstr
 {
     public function run()
     {
-        $isMatch = !str_contains('abc', 'a');
+        $isMatch = !str_contains('😊abc', '😊a');
     }
 }
 
@@ -20,7 +20,7 @@ class IdenticalStrstr
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a') === false;
+        $isMatch = mb_strpos('😊abc', '😊a') === false;
     }
 }
 
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
index 262aa2c0..f3966775 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
@@ -6,7 +6,7 @@ class OffsetStrpos
 {
     public function run()
     {
-        $isMatch = str_contains(mb_substr('abc', 1), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', 1), '😊a');
     }
 }
 ?>
@@ -19,7 +19,7 @@ class OffsetStrpos
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a', 1) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', 1) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
index 92f8e1ed..c9171ca8 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
@@ -7,7 +7,7 @@ class OffsetExpressionStrpos
     public function run()
     {
         $offset = 1;
-        $isMatch = str_contains(mb_substr('abc', $offset + 1), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', $offset + 1), '😊a');
     }
 }
 ?>
@@ -21,7 +21,7 @@ class OffsetExpressionStrpos
     public function run()
     {
         $offset = 1;
-        $isMatch = mb_strpos('abc', 'a', $offset + 1) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', $offset + 1) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
index 92f8e1ed..c9171ca8 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
@@ -7,7 +7,7 @@ class OffsetExpressionStrpos
     public function run()
     {
         $offset = 1;
-        $isMatch = str_contains(mb_substr('abc', $offset + 1), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', $offset + 1), '😊a');
     }
 }
 ?>
@@ -21,7 +21,7 @@ class OffsetExpressionStrpos
     public function run()
     {
         $offset = 1;
-        $isMatch = mb_strpos('abc', 'a', $offset + 1) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', $offset + 1) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
index ce0c2637..ce04ca76 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
@@ -6,7 +6,7 @@ class OffsetNegativeStrpos
 {
     public function run()
     {
-        $isMatch = str_contains(mb_substr('abc', -1), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', -1), '😊a');
     }
 }
 ?>
@@ -19,7 +19,7 @@ class OffsetNegativeStrpos
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a', -1) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', -1) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
index ce0c2637..ce04ca76 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
@@ -6,7 +6,7 @@ class OffsetNegativeStrpos
 {
     public function run()
     {
-        $isMatch = str_contains(mb_substr('abc', -1), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', -1), '😊a');
     }
 }
 ?>
@@ -19,7 +19,7 @@ class OffsetNegativeStrpos
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a', -1) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', -1) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
index 262aa2c0..f3966775 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
@@ -6,7 +6,7 @@ class OffsetStrpos
 {
     public function run()
     {
-        $isMatch = str_contains(mb_substr('abc', 1), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', 1), '😊a');
     }
 }
 ?>
@@ -19,7 +19,7 @@ class OffsetStrpos
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a', 1) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', 1) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
index 2cf0080f..6583f2a1 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
@@ -7,7 +7,7 @@ class OffsetVariableStrpos
     public function run()
     {
         $offset = 1;
-        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', $offset), '😊a');
     }
 }
 ?>
@@ -21,7 +21,7 @@ class OffsetVariableStrpos
     public function run()
     {
         $offset = 1;
-        $isMatch = mb_strpos('abc', 'a', $offset) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', $offset) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
index 7e69a0ee..61af025a 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
@@ -7,7 +7,7 @@ class OffsetVariableStrpos
     public function run()
     {
         $offset = 1;
-        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', $offset), '😊a');
     }
 }
 ?>
@@ -21,7 +21,7 @@ class OffsetVariableStrpos
     public function run()
     {
         $offset = 1;
-        $isMatch = mb_strpos('abc', 'a', $offset) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', $offset) !== false;
     }
 }
 ?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
index 04cdfdcc..85374622 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
@@ -7,7 +7,7 @@ class OffsetVariableZeroStrpos
     public function run()
     {
         $offset = 0;
-        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', $offset), '😊a');
     }
 }
 ?>
@@ -21,7 +21,7 @@ class OffsetVariableZeroStrpos
     public function run()
     {
         $offset = 0;
-        $isMatch = mb_strpos('abc', 'a', $offset) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', $offset) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
index 04cdfdcc..85374622 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
@@ -7,7 +7,7 @@ class OffsetVariableZeroStrpos
     public function run()
     {
         $offset = 0;
-        $isMatch = str_contains(mb_substr('abc', $offset), 'a');
+        $isMatch = str_contains(mb_substr('😊abc', $offset), '😊a');
     }
 }
 ?>
@@ -21,7 +21,7 @@ class OffsetVariableZeroStrpos
     public function run()
     {
         $offset = 0;
-        $isMatch = mb_strpos('abc', 'a', $offset) !== false;
+        $isMatch = mb_strpos('😊abc', '😊a', $offset) !== false;
     }
 }
 ?>
\ No newline at end of file
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc
new file mode 100644
index 00000000..8b079498
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+final class StrContains
+{
+    public function run()
+    {
+        str_contains('😊abc', 'b');
+    }
+}
+
+?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc
new file mode 100644
index 00000000..ee4790e8
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc
@@ -0,0 +1,14 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+final class StrContainsPhpWithMixed
+{
+    public function run($haystack, $needle)
+    {
+        str_contains($haystack, 'ab');
+        str_contains('😊abc', $needle);
+    }
+}
+
+?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php.inc
deleted file mode 100644
index a240db65..00000000
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php.inc
+++ /dev/null
@@ -1,27 +0,0 @@
-<?php
-
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
-
-final class StrContains
-{
-    public function run()
-    {
-        str_contains('abc', 'b');
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
-
-final class StrContains
-{
-    public function run()
-    {
-        mb_strpos('abc', 'b') !== false;
-    }
-}
-
-?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php_with_mixed.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php_with_mixed.php.inc
deleted file mode 100644
index 38797756..00000000
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/str_contains.php_with_mixed.php.inc
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
-
-final class StrContainsPhpWithMixed
-{
-    public function run($haystack, $needle)
-    {
-        str_contains($haystack, 'ab');
-        str_contains('abc', $needle);
-    }
-}
-
-?>
------
-<?php
-
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
-
-final class StrContainsPhpWithMixed
-{
-    public function run($haystack, $needle)
-    {
-        mb_strpos($haystack, 'ab') !== false;
-        mb_strpos('abc', $needle) !== false;
-    }
-}
-
-?>
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
index ef9d4445..010e047b 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
@@ -6,7 +6,7 @@ class Strstr
 {
     public function run()
     {
-        $isMatch = str_contains('abc', 'a');
+        $isMatch = str_contains('😊abc', '😊a');
     }
 }
 
@@ -20,7 +20,7 @@ class Strstr
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a') !== false;
+        $isMatch = mb_strpos('😊abc', '😊a') !== false;
     }
 }
 
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
index 7a60ab6e..43407571 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
@@ -6,7 +6,7 @@ class TheOtherWay
 {
     public function run()
     {
-        $isMatch = str_contains('abc', 'a');
+        $isMatch = str_contains('😊abc', '😊a');
     }
 }
 
@@ -20,7 +20,7 @@ class TheOtherWay
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a') !== false;
+        $isMatch = mb_strpos('😊abc', '😊a') !== false;
     }
 }
 
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
index bef5773f..08c43496 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
@@ -6,7 +6,7 @@ class TheOtherWay
 {
     public function run()
     {
-        $isMatch = str_contains('abc', 'a');
+        $isMatch = str_contains('😊abc', '😊a');
     }
 }
 
@@ -20,7 +20,7 @@ class TheOtherWay
 {
     public function run()
     {
-        $isMatch = mb_strpos('abc', 'a') !== false;
+        $isMatch = mb_strpos('😊abc', '😊a') !== false;
     }
 }
 
diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
index e0c652a2..c7af93b7 100644
--- a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
@@ -9,6 +9,7 @@
 use PhpParser\Node\Expr\BinaryOp\Identical;
 use PhpParser\Node\Expr\BinaryOp\NotIdentical;
 use PhpParser\Node\Expr\BooleanNot;
+use PhpParser\Node\Scalar\String_;
 use PhpParser\Node\Expr\FuncCall;
 use Rector\Rector\AbstractRector;
 use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
@@ -32,7 +33,7 @@ class SomeClass
 {
     public function run()
     {
-        return str_contains('abc', 'a');
+        return str_contains('😊abc', '😊a');
     }
 }
 CODE_SAMPLE
@@ -42,7 +43,7 @@ class SomeClass
 {
     public function run()
     {
-        return mb_strpos('abc', 'a') !== false;
+        return mb_strpos('😊abc', '😊a') !== false;
     }
 }
 CODE_SAMPLE
@@ -84,6 +85,7 @@ public function refactor(Node $node): Identical | NotIdentical | null
             if (! $this->isName($haystack->name, 'mb_substr')) {
                 return null;
             }
+
             $substrArg = $haystack->getArgs();
             if (isset($substrArg[0]) && ! $substrArg[0] instanceof Arg) {
                 return null;
@@ -95,6 +97,14 @@ public function refactor(Node $node): Identical | NotIdentical | null
             $offset = $substrArg[1];
         }
 
+        if (!$needle instanceof String_) {
+            return null;
+        }
+
+        if(strlen($needle->value) === mb_strlen($needle->value)){
+            return null;
+        }
+           
         if ($offset instanceof Arg) {
             $funcCall = $this->nodeFactory->createFuncCall('mb_strpos', [$haystack, $needle, $offset]);
         }

From 081e0739db1ae6b6a88cdd793dc4d2334d4ba5f6 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 21:03:22 +0530
Subject: [PATCH 06/13] DowngradeMbStrContainsRector

---
 config/set/downgrade-php80.php | 2 --
 1 file changed, 2 deletions(-)

diff --git a/config/set/downgrade-php80.php b/config/set/downgrade-php80.php
index 34b19dbc..ce89592e 100644
--- a/config/set/downgrade-php80.php
+++ b/config/set/downgrade-php80.php
@@ -19,7 +19,6 @@
 use Rector\DowngradePhp80\Rector\Expression\DowngradeMatchToSwitchRector;
 use Rector\DowngradePhp80\Rector\Expression\DowngradeThrowExprRector;
 use Rector\DowngradePhp80\Rector\FuncCall\DowngradeArrayFilterNullableCallbackRector;
-use Rector\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector;
 use Rector\DowngradePhp80\Rector\FuncCall\DowngradeNumberFormatNoFourthArgRector;
 use Rector\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsRector;
 use Rector\DowngradePhp80\Rector\FuncCall\DowngradeStrEndsWithRector;
@@ -71,7 +70,6 @@
         DowngradePropertyPromotionRector::class,
         DowngradeNonCapturingCatchesRector::class,
         DowngradeStrContainsRector::class,
-        DowngradeMbStrContainsRector::class,
         DowngradeMatchToSwitchRector::class,
         DowngradeClassOnObjectToGetClassRector::class,
         DowngradeArbitraryExpressionsSupportRector::class,

From 06265a2c733a5254a8bbaf26274978fb1407458d Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 21:12:09 +0530
Subject: [PATCH 07/13] DowngradeMbStrContainsRector

---
 .../Rector/FuncCall/DowngradeMbStrContainsRector.php          | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
index c7af93b7..9f01c929 100644
--- a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
@@ -68,6 +68,10 @@ public function refactor(Node $node): Identical | NotIdentical | null
     {
         $funcCall = $this->matchStrContainsOrNotStrContains($node);
 
+        if ($funcCall->isFirstClassCallable()) {
+            return null;
+        }
+
         if (! $funcCall instanceof FuncCall) {
             return null;
         }

From 257f57a560e4cbd235a0b4b83aa218ef507ae047 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 21:16:43 +0530
Subject: [PATCH 08/13] DowngradeMbStrContainsRector

---
 .../Fixture/skip_fixture_equal.php.inc              | 13 +++++++++++++
 .../FuncCall/DowngradeMbStrContainsRector.php       |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc

diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc
new file mode 100644
index 00000000..bd59bc8f
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc
@@ -0,0 +1,13 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+
+class Fixture
+{
+    public function run()
+    {
+        $isMatch = str_contains('abc', 'a');
+    }
+}
+
+?>
\ No newline at end of file
diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
index 9f01c929..adeec78f 100644
--- a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
@@ -68,7 +68,7 @@ public function refactor(Node $node): Identical | NotIdentical | null
     {
         $funcCall = $this->matchStrContainsOrNotStrContains($node);
 
-        if ($funcCall->isFirstClassCallable()) {
+        if (!$funcCall->isFirstClassCallable()) {
             return null;
         }
 

From 1e18cd7ba4ea1e25220135fbacd09325be79db06 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Wed, 17 Sep 2025 21:19:30 +0530
Subject: [PATCH 09/13] DowngradeMbStrContainsRector

---
 .../Rector/FuncCall/DowngradeMbStrContainsRector.php          | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
index adeec78f..824b1513 100644
--- a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
@@ -68,11 +68,11 @@ public function refactor(Node $node): Identical | NotIdentical | null
     {
         $funcCall = $this->matchStrContainsOrNotStrContains($node);
 
-        if (!$funcCall->isFirstClassCallable()) {
+        if (! $funcCall instanceof FuncCall) {
             return null;
         }
 
-        if (! $funcCall instanceof FuncCall) {
+        if ($funcCall->isFirstClassCallable()) {
             return null;
         }
 

From 1e1806ad38ef6e724ac03e496c2bba7b361d5df1 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Thu, 18 Sep 2025 07:11:43 +0530
Subject: [PATCH 10/13] DowngradeMbStrContainsRector

---
 .../DowngradeMbStrContainsRectorTest.php                 | 4 ++--
 .../Fixture/fixture_equal.php.inc                        | 4 ++--
 .../Fixture/identical_mb_strpos.php.inc                  | 4 ++--
 .../Fixture/not_equal_mb_strstr.php.inc                  | 4 ++--
 .../Fixture/not_str_contains.php.inc                     | 4 ++--
 .../Fixture/not_strstr.php.inc                           | 4 ++--
 .../Fixture/offset_equal_strpos.php.inc                  | 4 ++--
 .../Fixture/offset_expression_equal_strpos.php.inc       | 4 ++--
 .../Fixture/offset_expression_mb_strpos.php.inc          | 4 ++--
 .../Fixture/offset_negative_equal_strpos.php.inc         | 4 ++--
 .../Fixture/offset_negative_strpos.php.inc               | 4 ++--
 .../Fixture/offset_strpos.php.inc                        | 4 ++--
 .../Fixture/offset_variable_equal_strpos.php.inc         | 4 ++--
 .../Fixture/offset_variable_strpos.php.inc               | 4 ++--
 .../Fixture/offset_variable_zero_equal_strpos.php.inc    | 4 ++--
 .../Fixture/offset_variable_zero_strpos.php.inc          | 4 ++--
 .../Fixture/skip_fixture_equal.php.inc                   | 2 +-
 .../Fixture/skip_str_contains.php.inc                    | 2 +-
 .../Fixture/skip_str_contains.php_with_mixed.php.inc     | 2 +-
 .../DowngradeMbStrContainsRector/Fixture/strstr.php.inc  | 4 ++--
 .../Fixture/the_other_way.php.inc                        | 4 ++--
 .../Fixture/the_other_way_equal.php.inc                  | 4 ++--
 .../config/configured_rule.php                           | 4 ++--
 .../Rector/FuncCall/DowngradeMbStrContainsRector.php     | 9 +++++++--
 24 files changed, 50 insertions(+), 45 deletions(-)

diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php
index 1ccea45d..de0c2219 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php
@@ -2,13 +2,13 @@
 
 declare(strict_types=1);
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector;
 
 use Iterator;
 use PHPUnit\Framework\Attributes\DataProvider;
 use Rector\Testing\PHPUnit\AbstractRectorTestCase;
 
-final class DowngradeMbStrContainsRectorTest extends AbstractRectorTestCase
+final class DowngradeStrContainsWithMultibyteNeedleRectorTest extends AbstractRectorTestCase
 {
     #[DataProvider('provideData')]
     public function test(string $filePath): void
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
index 3f4802c6..c120cd9a 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class Fixture
 {
@@ -14,7 +14,7 @@ class Fixture
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class Fixture
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
index 2d7e7f7a..f3b8cab8 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class IdenticalStrpos
 {
@@ -14,7 +14,7 @@ class IdenticalStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class IdenticalStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
index 8213fa94..db9bece0 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class IdenticalStrstr
 {
@@ -14,7 +14,7 @@ class IdenticalStrstr
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class IdenticalStrstr
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
index cd27a020..896d32f5 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 final class NoStrContains
 {
@@ -14,7 +14,7 @@ final class NoStrContains
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 final class NoStrContains
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
index 8213fa94..db9bece0 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class IdenticalStrstr
 {
@@ -14,7 +14,7 @@ class IdenticalStrstr
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class IdenticalStrstr
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
index f3966775..27ae5638 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetStrpos
 {
@@ -13,7 +13,7 @@ class OffsetStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
index c9171ca8..6b07e619 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetExpressionStrpos
 {
@@ -14,7 +14,7 @@ class OffsetExpressionStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetExpressionStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
index c9171ca8..6b07e619 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetExpressionStrpos
 {
@@ -14,7 +14,7 @@ class OffsetExpressionStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetExpressionStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
index ce04ca76..a80c166c 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetNegativeStrpos
 {
@@ -13,7 +13,7 @@ class OffsetNegativeStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetNegativeStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
index ce04ca76..a80c166c 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetNegativeStrpos
 {
@@ -13,7 +13,7 @@ class OffsetNegativeStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetNegativeStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
index f3966775..27ae5638 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetStrpos
 {
@@ -13,7 +13,7 @@ class OffsetStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
index 6583f2a1..03d1a5b3 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetVariableStrpos
 {
@@ -14,7 +14,7 @@ class OffsetVariableStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetVariableStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
index 61af025a..0e4ff70a 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetVariableStrpos
 {
@@ -14,7 +14,7 @@ class OffsetVariableStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetVariableStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
index 85374622..38c8d610 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetVariableZeroStrpos
 {
@@ -14,7 +14,7 @@ class OffsetVariableZeroStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetVariableZeroStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
index 85374622..38c8d610 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetVariableZeroStrpos
 {
@@ -14,7 +14,7 @@ class OffsetVariableZeroStrpos
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class OffsetVariableZeroStrpos
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc
index bd59bc8f..27b23e07 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class Fixture
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc
index 8b079498..492c4926 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 final class StrContains
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc
index ee4790e8..d5bd6f0d 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 final class StrContainsPhpWithMixed
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
index 010e047b..dab93a74 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class Strstr
 {
@@ -14,7 +14,7 @@ class Strstr
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class Strstr
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
index 43407571..1fb94d54 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class TheOtherWay
 {
@@ -14,7 +14,7 @@ class TheOtherWay
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class TheOtherWay
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
index 08c43496..969483ec 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
@@ -1,6 +1,6 @@
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class TheOtherWay
 {
@@ -14,7 +14,7 @@ class TheOtherWay
 -----
 <?php
 
-namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\Fixture;
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\Fixture;
 
 class TheOtherWay
 {
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php
index e654dc06..b46f20b2 100644
--- a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php
@@ -3,8 +3,8 @@
 declare(strict_types=1);
 
 use Rector\Config\RectorConfig;
-use Rector\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector;
+use Rector\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector;
 
 return static function (RectorConfig $rectorConfig): void {
-    $rectorConfig->rule(DowngradeMbStrContainsRector::class);
+    $rectorConfig->rule(DowngradeStrContainsWithMultibyteNeedleRector::class);
 };
diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
index 824b1513..b2916de2 100644
--- a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
@@ -18,9 +18,9 @@
 /**
  * @changelog https://wiki.php.net/rfc/str_contains
  *
- * @see \Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeMbStrContainsRector\DowngradeMbStrContainsRectorTest
+ * @see \Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeStrContainsWithMultibyteNeedleRector\DowngradeStrContainsWithMultibyteNeedleRectorTest
  */
-final class DowngradeMbStrContainsRector extends AbstractRector
+final class DowngradeStrContainsWithMultibyteNeedleRector extends AbstractRector
 {
     public function getRuleDefinition(): RuleDefinition
     {
@@ -86,10 +86,15 @@ public function refactor(Node $node): Identical | NotIdentical | null
         $offset = null;
 
         if ($haystack instanceof FuncCall) {
+            
             if (! $this->isName($haystack->name, 'mb_substr')) {
                 return null;
             }
 
+            if ($haystack->isFirstClassCallable()) {
+                return null;
+            }
+
             $substrArg = $haystack->getArgs();
             if (isset($substrArg[0]) && ! $substrArg[0] instanceof Arg) {
                 return null;

From 7bea52c20d4596e5b70f3551f30815d771d89957 Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Thu, 18 Sep 2025 07:15:26 +0530
Subject: [PATCH 11/13] DowngradeMbStrContainsRector

---
 .../DowngradeStrContainsWithMultibyteNeedleRectorTest.php}        | 0
 .../Fixture/fixture_equal.php.inc                                 | 0
 .../Fixture/identical_mb_strpos.php.inc                           | 0
 .../Fixture/not_equal_mb_strstr.php.inc                           | 0
 .../Fixture/not_str_contains.php.inc                              | 0
 .../Fixture/not_strstr.php.inc                                    | 0
 .../Fixture/offset_equal_strpos.php.inc                           | 0
 .../Fixture/offset_expression_equal_strpos.php.inc                | 0
 .../Fixture/offset_expression_mb_strpos.php.inc                   | 0
 .../Fixture/offset_negative_equal_strpos.php.inc                  | 0
 .../Fixture/offset_negative_strpos.php.inc                        | 0
 .../Fixture/offset_strpos.php.inc                                 | 0
 .../Fixture/offset_variable_equal_strpos.php.inc                  | 0
 .../Fixture/offset_variable_strpos.php.inc                        | 0
 .../Fixture/offset_variable_zero_equal_strpos.php.inc             | 0
 .../Fixture/offset_variable_zero_strpos.php.inc                   | 0
 .../Fixture/skip_fixture_equal.php.inc                            | 0
 .../Fixture/skip_str_contains.php.inc                             | 0
 .../Fixture/skip_str_contains.php_with_mixed.php.inc              | 0
 .../Fixture/strstr.php.inc                                        | 0
 .../Fixture/the_other_way.php.inc                                 | 0
 .../Fixture/the_other_way_equal.php.inc                           | 0
 .../config/configured_rule.php                                    | 0
 23 files changed, 0 insertions(+), 0 deletions(-)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php => DowngradeStrContainsWithMultibyteNeedleRector/DowngradeStrContainsWithMultibyteNeedleRectorTest.php} (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/fixture_equal.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/identical_mb_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/not_equal_mb_strstr.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/not_str_contains.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/not_strstr.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_equal_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_expression_equal_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_expression_mb_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_negative_equal_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_negative_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_variable_equal_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_variable_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_variable_zero_equal_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/offset_variable_zero_strpos.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/skip_fixture_equal.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/skip_str_contains.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/skip_str_contains.php_with_mixed.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/strstr.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/the_other_way.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/Fixture/the_other_way_equal.php.inc (100%)
 rename rules-tests/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector => DowngradeStrContainsWithMultibyteNeedleRector}/config/configured_rule.php (100%)

diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/DowngradeStrContainsWithMultibyteNeedleRectorTest.php
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/DowngradeMbStrContainsRectorTest.php
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/DowngradeStrContainsWithMultibyteNeedleRectorTest.php
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/fixture_equal.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/fixture_equal.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/fixture_equal.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/identical_mb_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/identical_mb_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/identical_mb_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/not_equal_mb_strstr.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_equal_mb_strstr.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/not_equal_mb_strstr.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/not_str_contains.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_str_contains.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/not_str_contains.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/not_strstr.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/not_strstr.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/not_strstr.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_equal_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_equal_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_equal_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_expression_equal_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_equal_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_expression_equal_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_expression_mb_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_expression_mb_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_expression_mb_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_negative_equal_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_equal_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_negative_equal_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_negative_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_negative_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_negative_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_variable_equal_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_equal_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_variable_equal_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_variable_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_variable_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_variable_zero_equal_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_equal_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_variable_zero_equal_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_variable_zero_strpos.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/offset_variable_zero_strpos.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/offset_variable_zero_strpos.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/skip_fixture_equal.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_fixture_equal.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/skip_fixture_equal.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/skip_str_contains.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/skip_str_contains.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/skip_str_contains.php_with_mixed.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/skip_str_contains.php_with_mixed.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/skip_str_contains.php_with_mixed.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/strstr.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/strstr.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/strstr.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/the_other_way.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/the_other_way.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/the_other_way_equal.php.inc
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/Fixture/the_other_way_equal.php.inc
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/Fixture/the_other_way_equal.php.inc
diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/config/configured_rule.php
similarity index 100%
rename from rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector/config/configured_rule.php
rename to rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector/config/configured_rule.php

From cdb3f07afca58da2e6a224e6bb720c51808994ff Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Thu, 18 Sep 2025 07:19:58 +0530
Subject: [PATCH 12/13] DowngradeMbStrContainsRector

---
 ...ctor.php => DowngradeStrContainsWithMultibyteNeedleRector.php} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename rules/DowngradePhp80/Rector/FuncCall/{DowngradeMbStrContainsRector.php => DowngradeStrContainsWithMultibyteNeedleRector.php} (100%)

diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector.php
similarity index 100%
rename from rules/DowngradePhp80/Rector/FuncCall/DowngradeMbStrContainsRector.php
rename to rules/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector.php

From 046c1b107f4fa4d4129e7bdf8ffb238e23563c2c Mon Sep 17 00:00:00 2001
From: Arshid <arshid@Arshids-MacBook-Air.local>
Date: Thu, 18 Sep 2025 07:22:29 +0530
Subject: [PATCH 13/13] DowngradeMbStrContainsRector

---
 .../DowngradeStrContainsWithMultibyteNeedleRector.php         | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector.php b/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector.php
index b2916de2..00d16022 100644
--- a/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector.php
+++ b/rules/DowngradePhp80/Rector/FuncCall/DowngradeStrContainsWithMultibyteNeedleRector.php
@@ -86,7 +86,7 @@ public function refactor(Node $node): Identical | NotIdentical | null
         $offset = null;
 
         if ($haystack instanceof FuncCall) {
-            
+
             if (! $this->isName($haystack->name, 'mb_substr')) {
                 return null;
             }
@@ -99,9 +99,11 @@ public function refactor(Node $node): Identical | NotIdentical | null
             if (isset($substrArg[0]) && ! $substrArg[0] instanceof Arg) {
                 return null;
             }
+
             if (isset($substrArg[1]) && ! $substrArg[1] instanceof Arg) {
                 return null;
             }
+
             $haystack = $substrArg[0];
             $offset = $substrArg[1];
         }