Ticket #45553: 45553.diff

src/wp-includes/functions.php

@@ -5631 +5631 @@
  * @return bool True if the path is a stream URL.
  */
 function wp_is_stream( $path ) {
-        if ( false === strpos( $path, '://' ) ) {
+        $scheme_separator = strpos( $path, '://' );
+
+        if ( false === $scheme_separator ) {
                 // $path isn't a stream
                 return false;
         }
 
-        $wrappers    = stream_get_wrappers();
-        $wrappers    = array_map( 'preg_quote', $wrappers );
-        $wrappers_re = '(' . join( '|', $wrappers ) . ')';
+        $stream = substr( $path, 0, $scheme_separator );
 
-        return preg_match( "!^$wrappers_re://!", $path ) === 1;
+        return in_array( $stream, stream_get_wrappers(), true );
 }
 
 /**