Changeset 47430

Timestamp:

03/04/2020 12:03:32 PM (5 years ago)

Author:

SergeyBiryukov

Message:

General: Ensure get_tag_regex() always returns a string, to match the documented value.

Props subrataemfluence.
Fixes #45643.

File:

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

trunk/src/wp-includes/functions.php

@@ -6549 +6549 @@
 function get_tag_regex( $tag ) {
     if ( empty( $tag ) ) {
-        return;
+        return '';
     }
     return sprintf( '<%1$s[^<]*(?:>[\s\S]*<\/%1$s>|\s*\/>)', tag_escape( $tag ) );