Changeset 43483

Timestamp:

07/17/2018 03:18:12 PM (6 years ago)

Author:

SergeyBiryukov

Message:

Streams: When checking in wp_is_stream() escape the stream wrapper names for PCRE to avoid PHP warnings when invalid stream wrappers are registered.

Props dd32.
Merges [42432] to the 4.9 branch.
Fixes #43054.

Location:

branches/4.9

Files:

• . (modified) (1 prop)
• src/wp-includes/functions.php (modified) (1 diff)

branches/4.9/src/wp-includes/functions.php

@@ -5228 +5228 @@
  */
 function wp_is_stream( $path ) {
-    $wrappers = stream_get_wrappers();
-    $wrappers_re = '(' . join('|', $wrappers) . ')';
+    $wrappers    = stream_get_wrappers();
+    $wrappers    = array_map( 'preg_quote', $wrappers );
+    $wrappers_re = '(' . join( '|', $wrappers ) . ')';
 
     return preg_match( "!^$wrappers_re://!", $path ) === 1;