From 2575466862e4247a32d9865ce5fbb2dfb0d32315 Mon Sep 17 00:00:00 2001
From: kjdev <kjclev@gmail.com>
Date: Fri, 18 Apr 2025 08:31:39 +0900
Subject: [PATCH 1/2] test: change to fit the minimum system libzstd library
 version

---
 tests/008.phpt           | 72 ----------------------------------------
 tests/009.phpt           |  4 ---
 tests/dictionary_01.phpt |  4 ---
 tests/streams_5.phpt     |  4 ---
 4 files changed, 84 deletions(-)
 delete mode 100644 tests/008.phpt

diff --git a/tests/008.phpt b/tests/008.phpt
deleted file mode 100644
index a319049..0000000
--- a/tests/008.phpt
+++ /dev/null
@@ -1,72 +0,0 @@
---TEST--
-zstd_compress(): compress level
---SKIPIF--
-<?php
-if (LIBZSTD_VERSION_NUMBER >= 10304) die("skip needs libzstd 1.3.3 or older");
-?>
---FILE--
-<?php
-include(dirname(__FILE__) . '/data.inc');
-
-function check_compress($data, $level)
-{
-  $output = (string)zstd_compress($data, $level);
-  echo $level, ' -- ', strlen($output), ' -- ',
-    var_export(zstd_uncompress($output) === $data, true), PHP_EOL;
-}
-
-echo "*** Data size ***", PHP_EOL;
-echo strlen($data), PHP_EOL;
-
-echo "*** Compression Level ***", PHP_EOL;
-for (
-  $level = ZSTD_COMPRESS_LEVEL_MIN;
-  $level <= ZSTD_COMPRESS_LEVEL_MAX;
-  $level++
-) {
-  check_compress($data, $level);
-}
-
-echo "*** Invalid Compression Level ***", PHP_EOL;
-check_compress($data, 100);
-check_compress($data, -1);
-?>
-===Done===
---EXPECTF--
-*** Data size ***
-3547
-*** Compression Level ***
-1 -- 1%d -- true
-2 -- 1%d -- true
-3 -- 1%d -- true
-4 -- 1%d -- true
-5 -- 1%d -- true
-6 -- 1%d -- true
-7 -- 1%d -- true
-8 -- 1%d -- true
-9 -- 1%d -- true
-10 -- 1%d -- true
-11 -- 1%d -- true
-12 -- 1%d -- true
-13 -- 1%d -- true
-14 -- 1%d -- true
-15 -- 1%d -- true
-16 -- 1%d -- true
-17 -- 1%d -- true
-18 -- 1%d -- true
-19 -- 1%d -- true
-20 -- 1%d -- true
-21 -- 1%d -- true
-22 -- 1%d -- true
-*** Invalid Compression Level ***
-
-Warning: zstd_compress: compression level (100) must be within 1..22 in %s on line %d
-100 -- 0 -- 
-Warning: zstd_uncompress: it was not compressed by zstd in %s on line %d
-false
-
-Warning: zstd_compress: compression level (-1) must be within 1..22 in %s on line %d
--1 -- 0 -- 
-Warning: zstd_uncompress: it was not compressed by zstd in %s on line %d
-false
-===Done===
diff --git a/tests/009.phpt b/tests/009.phpt
index b12233b..293c1df 100644
--- a/tests/009.phpt
+++ b/tests/009.phpt
@@ -1,9 +1,5 @@
 --TEST--
 zstd_compress(): compress level
---SKIPIF--
-<?php
-if (LIBZSTD_VERSION_NUMBER < 10304) die("skip needs libzstd 1.3.4");
-?>
 --FILE--
 <?php
 include(dirname(__FILE__) . '/data.inc');
diff --git a/tests/dictionary_01.phpt b/tests/dictionary_01.phpt
index a5a6dc7..e5cc4cd 100644
--- a/tests/dictionary_01.phpt
+++ b/tests/dictionary_01.phpt
@@ -1,9 +1,5 @@
 --TEST--
 zstd_compress_dict(): compress level
---SKIPIF--
-<?php
-if (LIBZSTD_VERSION_NUMBER < 10304) die("skip needs libzstd 1.3.4");
-?>
 --FILE--
 <?php
 include(dirname(__FILE__) . '/data.inc');
diff --git a/tests/streams_5.phpt b/tests/streams_5.phpt
index da77ae3..d3045b4 100644
--- a/tests/streams_5.phpt
+++ b/tests/streams_5.phpt
@@ -1,9 +1,5 @@
 --TEST--
 compress.zstd streams with dictionary
---SKIPIF--
-<?php
-if (LIBZSTD_VERSION_NUMBER < 10400) die("skip needs libzstd 1.4.0");
-?>
 --FILE--
 <?php
 include(dirname(__FILE__) . '/data.inc');

From c6b079e855525c03914db438f7e602b3a3497319 Mon Sep 17 00:00:00 2001
From: kjdev <kjclev@gmail.com>
Date: Fri, 18 Apr 2025 08:35:16 +0900
Subject: [PATCH 2/2] docs: add minimu system libzstd library version to
 README.md

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index ba0b3cb..e0c96b6 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,8 @@ To use the system library
 % ./configure --with-libzstd
 ```
 
+> minimum system libzstd library version to 1.4.0
+
 Install from [pecl](https://pecl.php.net/package/zstd):
 
 ``` bash