machete/plugins/Common.php

<?php
/**
 * 常用的公用方法
 */
Class Common {
	public static function isCellphoneNumber($number) {
        return preg_match("/^1[3456789][0-9]{9}$/", $number);
    }

    //朋友手机号码的末 6 位
    public static function isFriendsCode($number) {
        return preg_match("/^[0-9]{6}$/", $number);
    }

    //用户注册成功后，保存他的手机号码 6 位尾号作为邀请码
    public static function saveFriendsCode($cellphone) {
        $logTime = date('Y-m-d H:i:s');
        $logDir = __DIR__ . '/../runtime/friendscode/';
        $logFilename = substr($cellphone, -6) . '.log';
        $logOk = @error_log("{$logTime} created\n", 3, "{$logDir}{$logFilename}");
        if (!$logOk) {      //try to mkdir
            @mkdir($logDir, 0700, true);
            @error_log("{$logTime} created\n", 3, "{$logDir}{$logFilename}");
        }
    }

    //检查朋友的邀请码是否存在
    public static function existFriendsCode($code) {
        if (self::isFriendsCode($code) == false) {return false;}

        if (!empty(FSC::$app['config']['default_friends_code']) && $code == FSC::$app['config']['default_friends_code']) {
            return true;
        }

        $logDir = __DIR__ . '/../runtime/friendscode/';
        $logFilename = "{$logDir}{$code}.log";
        return file_exists($logFilename);
    }

    //用户注册或登录成功时保存用户信息到session
    //login_time, username, friends_code
    public static function saveUserIntoSession($cellphone, $friends_code = '') {
        if(session_status() !== PHP_SESSION_ACTIVE) {
            session_start();
        }

        $login_time = time();
        $username = $cellphone;

        if (empty($friends_code) && !empty($_COOKIE['friends_code'])) {
            $friends_code = $_COOKIE['friends_code'];
        }

        $_SESSION['login_time'] = $login_time;
        $_SESSION['username'] = $username;
        $_SESSION['friends_code'] = $friends_code;

        //cookie保存 1 年
        if (!empty($friends_code)) {
            setcookie('friends_code', $friends_code, $login_time + 86400*365, '/');
        }

        return compact('login_time', 'username', 'friends_code');
    }

    //从session里获取用户数据
    public static function getUserFromSession() {
        if(session_status() !== PHP_SESSION_ACTIVE) {
            session_start();
        }

        $login_time = !empty($_SESSION['login_time']) ? $_SESSION['login_time'] : 0;
        $username = !empty($_SESSION['username']) ? $_SESSION['username'] : '';
        $friends_code = !empty($_SESSION['friends_code']) ? $_SESSION['friends_code'] : '';

        //尝试从cookie中获取
        if (empty($friends_code) && !empty($_COOKIE['friends_code'])) {
            $friends_code = $_COOKIE['friends_code'];
        }

        return compact('login_time', 'username', 'friends_code');
    }

}