Ticket #26171: 26171.diff

src/wp-includes/formatting.php

@@ -3454 +3454 @@
  * @return string The found URL.
  */
 function get_url_in_content( $content ) {
-        if ( empty( $content ) )
-                return '';
+        if ( empty( $content ) ) {
+                return false;
+        }
 
-        if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) )
+        if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) ) {
                 return esc_url_raw( $matches[2] );
+        }
 
         return false;
 }