php call stack

gistfile1.txt

    private function get_callstack($delim="\n") {
        $dt = debug_backtrace();
        $cs = '';
        foreach ($dt as $t) {
            $cs .= $t['file'] . ' line ' . $t['line'] . ' calls ' . $t['function'] . "()" . $delim;
        }

        return $cs;
    }