Ticket #20953: 20953.patch

wp-includes/functions.php

@@ -3622 +3622 @@
  * @return string|array Either a string containing a reversed comma separated trace or an array of individual calls.
  */
 function wp_debug_backtrace_summary( $ignore_class = null, $skip_frames = 0, $pretty = true ) {
-        $trace  = debug_backtrace( false );
+
+        // Get the backtrace
+        if ( version_compare( PHP_VERSION, '5.2.5' ) < 0 )
+                $trace = debug_backtrace();
+        elseif ( version_compare( PHP_VERSION, '5.3.6' ) < 0 )
+                $trace = debug_backtrace( false );
+        else
+                $trace = debug_backtrace( 0 );
+
         $caller = array();
         $check_class = ! is_null( $ignore_class );
         $skip_frames++; // skip this function