src/Debug/Output/Text.php
public function onOutput(Event $event)
    {
        $this->channelName = $this->debug->getCfg('channel');
        $this->data = $this->debug->getData();
        $str = '';
        $str .= $this->processAlerts();
        $str .= $this->processSummary();
        $str .= $this->processLog();
        $this->data = array();
        $event['return'] .= $str;
    }
public function onOutput(Event $event)
    {
        $this->channelName = $this->debug->getCfg('channel');
        $this->data = $this->debug->getData();
        $str = '';
        $str .= $this->processAlerts();
        $str .= $this->processSummary();
        $str .= $this->processLog();
        $this->data = array();
        $event['return'] .= $str;
    }
Output the log as text

@param Event $event event object

@return string|void