PMA\libraries\File::openZip PHP Method

    public function openZip($specific_entry = null)
    {
        include_once './libraries/zip_extension.lib.php';
        $result = PMA_getZipContents($this->getName(), $specific_entry);
        if (!empty($result['error'])) {
            $this->_error_message = Message::rawError($result['error']);
            return false;
        }
        $this->_content = $result['data'];
        $this->_offset = 0;
        return true;
    }