src/Debug/Internal.php
public function onShutdown()
    {
        $this->runtimeVals();
        if ($this->testEmailLog()) {
            $this->emailLog();
        }
        if (!$this->debug->getData('outputSent')) {
            echo $this->debug->output();
        }
        return;
    }
public function onShutdown()
    {
        $this->runtimeVals();
        if ($this->testEmailLog()) {
            $this->emailLog();
        }
        if (!$this->debug->getData('outputSent')) {
            echo $this->debug->output();
        }
        return;
    }
Email Log if emailLog is 'always' or 'onError'
output log if not already output

@return void