Coding Standards: Bring more consistency to PHP 8.0 string function polyfills.

This adjusts `str_contains()` code layout to have an early exit for an empty `$needle`, matching similar fragments in `str_starts_with()` and `str_ends_with()` for better readability.

Follow-up to [52039], [52040].

See #57839.
Built from https://develop.svn.wordpress.org/trunk@55726


git-svn-id: http://core.svn.wordpress.org/trunk@55238 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/compat.php

@@ -434,11 +434,15 @@ if ( ! function_exists( 'str_contains' ) ) {
 	 * @since 5.9.0
 	 *
 	 * @param string $haystack The string to search in.
-	 * @param string $needle   The substring to search for in the haystack.
+	 * @param string $needle   The substring to search for in the `$haystack`.
 	 * @return bool True if `$needle` is in `$haystack`, otherwise false.
 	 */
 	function str_contains( $haystack, $needle ) {
-		return ( '' === $needle || false !== strpos( $haystack, $needle ) );
+		if ( '' === $needle ) {
+			return true;
+		}
+
+		return false !== strpos( $haystack, $needle );
 	}
 }
 

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55725';
+$wp_version = '6.3-alpha-55726';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.