taoqu/functions.php

<?php

// 全局函数

// 捕获所有请求信息，包含fatal error
register_shutdown_function('shutdownHandler');

function shutdownHandler()
{
    if ($error = error_get_last()) {
        // $filename 必须是一个绝对路径
        if (!defined('REGISTER_SHUTDOWN_FUNCTION_LOG_FILENAME')) {
            $filename = dirname(__FILE__) . DIRECTORY_SEPARATOR . 'register_shutdown_function.log';
        } else {
            $filename = REGISTER_SHUTDOWN_FUNCTION_LOG_FILENAME;
        }
        if ($error['type']<3){
            $message = '时间 : ' . date('Y-m-d H:i:s') . PHP_EOL;
            $message .= '文件 : ' . $error['file'] . PHP_EOL;
            $message .= '行数 : ' . $error['line'] . PHP_EOL;
            $message .= '错误 : ' . $error['message'] . PHP_EOL;
            $message .= '类型 : ' . $error['type'] . PHP_EOL . PHP_EOL;
            file_put_contents($filename, $message, FILE_APPEND);
        }

    }
}

/**
 * 获取当前语言环境
 *
 * @return string
 */
function lang()
{
    static $global_lang;
    if ($global_lang !== null) {
        return $global_lang;
    }
    $global_lang = !empty($_REQUEST['global_lang']) ? $_REQUEST['global_lang'] : $_COOKIE['global_lang'];
    if (empty($global_lang) && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
        $global_lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
        $global_lang = $global_lang == 'zh' ? $global_lang : "en";
        setcookie("global_lang", $global_lang, time() + 3600 * 24 * 30, '/');
    }
    return $global_lang;
}