src/ErrorHandler/ErrorEmailer.php
public function onErrorHighPri(Event $error)
    {
        $this->throttleDataRead();
        $hash = $error['hash'];
        $error['email'] = ($error['type'] & $this->cfg['emailMask'])
            && $error['isFirstOccur']
            && $this->cfg['emailTo'];
        $error['stats'] = array(
            'tsEmailed'  => 0,
            'countSince' => 0,
            'emailedTo'  => '',
        );
        if (isset($this->throttleData['errors'][$hash])) {
            $stats = \array_intersect_key($this->throttleData['errors'][$hash], $error['stats']);
            $error['stats'] = \array_merge($error['stats'], $stats);
        }
        return;
    }
public function onErrorHighPri(Event $error)
    {
        $this->throttleDataRead();
        $hash = $error['hash'];
        $error['email'] = ($error['type'] & $this->cfg['emailMask'])
            && $error['isFirstOccur']
            && $this->cfg['emailTo'];
        $error['stats'] = array(
            'tsEmailed'  => 0,
            'countSince' => 0,
            'emailedTo'  => '',
        );
        if (isset($this->throttleData['errors'][$hash])) {
            $stats = \array_intersect_key($this->throttleData['errors'][$hash], $error['stats']);
            $error['stats'] = \array_merge($error['stats'], $stats);
        }
        return;
    }
load throttle stats for passed error

@param Event $error error event

@return void