Elgg\Filesystem\MimeTypeDetector::getType PHP Метод

    public function getType($file, $default = self::DEFAULT_TYPE)
    {
        // Check only existing files
        if (!is_file($file) || !is_readable($file)) {
            return $default;
        }
        $ext = pathinfo($file, PATHINFO_EXTENSION);
        $type = $this->tryStrategies($file);
        if ($type) {
            return $this->fixDetectionErrors($type, $ext);
        }
        if ($this->use_extension && isset($this->extensions[$ext])) {
            return $this->extensions[$ext];
        }
        return $default;
    }