src/ErrorHandler/ErrorEmailer.php
protected function backtraceStr(Event $error)
    {
        $backtrace = $error['backtrace']
            ? $error['backtrace'] // backtrace provided
            : $error->getSubject()->backtrace();
        if (\count($backtrace) < 2) {
            return '';
        }
        if ($backtrace && $error['vars']) {
            $backtrace[0]['vars'] = $error['vars'];
        }
        if ($this->cfg['emailBacktraceDumper']) {
            $str = \call_user_func($this->cfg['emailBacktraceDumper'], $backtrace);
        } else {
            $search = array(
                ")\n\n",
            );
            $replace = array(
                ")\n",
            );
            $str = \print_r($backtrace, true);
            $str = \preg_replace('#\bArray\n\(#', 'array(', $str);
            $str = \preg_replace('/\barray\s+\(\s+\)/s', 'array()', $str); // single-lineify empty arrays
            $str = \str_replace($search, $replace, $str);
            $str = \substr($str, 0, -1);
        }
        return $str;
    }
protected function backtraceStr(Event $error)
    {
        $backtrace = $error['backtrace']
            ? $error['backtrace'] // backtrace provided
            : $error->getSubject()->backtrace();
        if (\count($backtrace) < 2) {
            return '';
        }
        if ($backtrace && $error['vars']) {
            $backtrace[0]['vars'] = $error['vars'];
        }
        if ($this->cfg['emailBacktraceDumper']) {
            $str = \call_user_func($this->cfg['emailBacktraceDumper'], $backtrace);
        } else {
            $search = array(
                ")\n\n",
            );
            $replace = array(
                ")\n",
            );
            $str = \print_r($backtrace, true);
            $str = \preg_replace('#\bArray\n\(#', 'array(', $str);
            $str = \preg_replace('/\barray\s+\(\s+\)/s', 'array()', $str); // single-lineify empty arrays
            $str = \str_replace($search, $replace, $str);
            $str = \substr($str, 0, -1);
        }
        return $str;
    }
protected function backtraceStr ( Event $ error ) { $ backtrace = $ error [ 'backtrace' ] ? $ error [ 'backtrace' ] // backtrace provided : $ error -> getSubject ( ) -> backtrace ( ) ; if ( \ count ( $ backtrace ) < 2 ) { return '' ; } if ( $ backtrace && $ error [ 'vars' ] ) { $ backtrace [ 0 ] [ 'vars' ] = $ error [ 'vars' ] ; } if ( $ this -> cfg [ 'emailBacktraceDumper' ] ) { $ str = \ call_user_func ( $ this -> cfg [ 'emailBacktraceDumper' ] , $ backtrace ) ; } else { $ search = array ( ")\n\n" , ) ; $ replace = array ( ")\n" , ) ; $ str = \ print_r ( $ backtrace , true ) ; $ str = \ preg_replace ( '#\bArray\n\(#' , 'array(' , $ str ) ; $ str = \ preg_replace ( '/\barray\s+\(\s+\)/s' , 'array()' , $ str ) ; // single-lineify empty arrays $ str = \ str_replace ( $ search , $ replace , $ str ) ; $ str = \ substr ( $ str , 0 , - 1 ) ; } return $ str ; }
Get formatted backtrace string for error

@param Event $error error event

@return string
Get formatted backtrace string for error