public function dumpBacktrace(Environment $env, $context, $depth)
    {
        if (!$this->isEnabled($env)) {
            return null;
        }

        return $this->dump($env, $context, debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT, $depth));
    }
public function dumpBacktrace(Environment $env, $context, $depth)
    {
        if (!$this->isEnabled($env)) {
            return null;
        }

        return $this->dump($env, $context, debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT, $depth));
    }
public function dumpBacktrace ( Environment $ env , $ context , $ depth ) { if ( ! $ this -> isEnabled ( $ env ) ) { return null ; } return $ this -> dump ( $ env , $ context , debug_backtrace ( DEBUG_BACKTRACE_PROVIDE_OBJECT , $ depth ) ) ; }
Output pretty-printed backtrace.

@param Environment $env
@param array       $context
@param int         $depth

@return string|null
Output pretty - printed backtrace .