src/Debug/Internal.php
public function onBootstrap()
    {
        if ($this->debug->parentInstance) {
            // only recored php/request info for root instance
            return;
        }
        $collectWas = $this->debug->setCfg('collect', true);
        $this->debug->groupSummary();
        $this->debug->group('environment', $this->debug->meta(array(
            'hideIfEmpty' => true,
            'level' => 'info',
        )));
        $this->logPhpInfo();
        $this->logServerVals();
        $this->logRequest();    // headers, cookies, post
        $this->debug->groupEnd();
        $this->debug->groupEnd();
        $this->debug->setCfg('collect', $collectWas);
    }
public function onBootstrap()
    {
        if ($this->debug->parentInstance) {
            // only recored php/request info for root instance
            return;
        }
        $collectWas = $this->debug->setCfg('collect', true);
        $this->debug->groupSummary();
        $this->debug->group('environment', $this->debug->meta(array(
            'hideIfEmpty' => true,
            'level' => 'info',
        )));
        $this->logPhpInfo();
        $this->logServerVals();
        $this->logRequest();    // headers, cookies, post
        $this->debug->groupEnd();
        $this->debug->groupEnd();
        $this->debug->setCfg('collect', $collectWas);
    }
debug.init subscriber

@return void