src/Cron/Task.php
protected function inLock($key, $callback, array $bind = [], $ttl = 3600)
    {
        $dir = APP_DIR . 'View/cache/logs/';
        $file = $key . '.txt';
        $this->checkDir($dir);
        $dirLog = $dir . $file;

        if (!is_callable($callback)) {
            throw new \InvalidArgumentException;
        }

        $fp = fopen($dirLog, "w");
        if (flock($fp, LOCK_EX | LOCK_NB)) { // do an exclusive lock
            $data = call_user_func_array($callback, $bind);

            flock($fp, LOCK_UN); // release the lock
            $this->lockTime($key, $ttl);
        } else {
            return ['return' => false];
        }
        fwrite($fp, date("d-m-Y H:i:s"));
        fclose($fp);
        return ['return' => true, 'response' => $data];
    }
protected function inLock($key, $callback, array $bind = [], $ttl = 3600)
    {
        $dir = APP_DIR . 'View/cache/logs/';
        $file = $key . '.txt';
        $this->checkDir($dir);
        $dirLog = $dir . $file;

        if (!is_callable($callback)) {
            throw new \InvalidArgumentException;
        }

        $fp = fopen($dirLog, "w");
        if (flock($fp, LOCK_EX | LOCK_NB)) { // do an exclusive lock
            $data = call_user_func_array($callback, $bind);

            flock($fp, LOCK_UN); // release the lock
            $this->lockTime($key, $ttl);
        } else {
            return ['return' => false];
        }
        fwrite($fp, date("d-m-Y H:i:s"));
        fclose($fp);
        return ['return' => true, 'response' => $data];
    }
@param       $key
@param       $callback
@param array $bind
@param int   $ttl

@return array
@throws \Exception