Ticket #18007: 18007.2.alt.patch

wp-includes/functions.php

@@ -251 +251 @@
         $data = trim( $data );
         if ( 'N;' == $data )
                 return true;
-        $length = strlen( $data );
+        $length = count( str_split( $data ) );
         if ( $length < 4 )
                 return false;
         if ( ':' !== $data[1] )
@@ -288 +288 @@
         if ( !is_string( $data ) )
                 return false;
         $data = trim( $data );
-        $length = strlen( $data );
+        $length = count( str_split( $data ) );
         if ( $length < 4 )
                 return false;
         elseif ( ':' !== $data[1] )