$data = array(
'server_ver' => php_sapi_name(),
'php_ver' => PHP_VERSION,
'mysql_ver' => isset($mysql_ver[0]['ver']) ? $mysql_ver[0]['ver'] : '',
'os_ver' => PHP_OS,
'host' => isset($_SERVER["HTTP_HOST"]) ? $_SERVER["HTTP_HOST"] : '',
'ver' => lang('common_application_name').' '.lang('common_application_ver'),
);
$this->assign('data', $data);


如何输出php_ver键值