Use wp_doing_cron method

includes/class-convertkit-broadcasts-importer.php

@@ -341,6 +341,7 @@ private function build_post_args( $broadcast, $author_id, $category_id = false )
 			'post_excerpt'  => ( ! is_null( $broadcast['description'] ) ? $broadcast['description'] : '' ),
 			'post_date_gmt' => gmdate( 'Y-m-d H:i:s', strtotime( $broadcast['published_at'] ) ),
 			'post_author'   => $author_id,
+			'post_name'     => $this->generate_permalink( $broadcast['title'] ),
 		);
 
 		// If a Category was supplied, assign the Post to the given Category ID when created.
@@ -374,6 +375,24 @@ private function build_post_args( $broadcast, $author_id, $category_id = false )
 
 	}
 
+	/**
+	 * Removes emojis from the given string.
+	 *
+	 * @since   2.8.2
+	 *
+	 * @param   string $title Broadcast Title.
+	 * @return  string
+	 */
+	public function generate_permalink( $title ) {
+
+		// Remove emojis.
+		$title = preg_replace( '/[^\p{L}\p{N}\p{P}\s]+/u', '', $title );
+
+		// Return the Permalink.
+		return sanitize_title( $title );
+
+	}
+
 	/**
 	 * Parses the given Broadcast's content, removing unnecessary HTML tags and styles.
 	 *

includes/class-wp-convertkit.php

@@ -363,14 +363,7 @@ public function is_cli() {
 	 */
 	public function is_cron() {
 
-		if ( ! defined( 'DOING_CRON' ) ) {
-			return false;
-		}
-		if ( ! DOING_CRON ) {
-			return false;
-		}
-
-		return true;
+		return wp_doing_cron();
 
 	}
 

tests/Integration/BroadcastsImportTest.php

@@ -306,6 +306,22 @@ public function testImportBroadcastWithDisableStylesEnabled()
 		$this->assertPostAuthorIDEquals(1, $post);
 	}
 
+	/**
+	 * Test that the generate_permalink() function strips emojis, and runs the string
+	 * through the WordPress sanitize_title() function, which will convert the string
+	 * to lowercase and replace spaces with hyphens.
+	 *
+	 * @since   2.8.2
+	 */
+	public function testGeneratePermalinkFunction()
+	{
+		$this->assertEquals('hello-world-123', $this->importer->generate_permalink('Hello World 123 🌍'));
+		$this->assertEquals('hello-123-world', $this->importer->generate_permalink('Hello ❤️‍🩹 123 ❤️ World'));
+		$this->assertEquals('123-hello-world', $this->importer->generate_permalink('🩹 123 👍🏿 Hello World'));
+		$this->assertEquals('cafe-deja-vu', $this->importer->generate_permalink('🩹 Café déjà-vu! 👍🏿'));
+		$this->assertEquals('cafe-deja-vu', $this->importer->generate_permalink('Café déjà-vu!'));
+	}
+
 	/**
 	 * Assert that the created Post's content is valid.
 	 *