MinecraftAccount/Application/Common/Common/function.php

<?php
/**
 * 检测用户是否登录
 * @return integer 0-未登录，大于0-当前登录用户ID
 */
function is_login() {
	$user = session ( 'user' );
	if (empty ( $user )) {
		return 0;
	} else {
		return $user ['uid'];
	}
}
/**
 * 检测输入的验证码是否正确
 * @return boolean 正确返回TRUE
 */
function check_verify($code, $id = '') {
	$verify = new \Think\Verify ();
	return $verify->check ( $code, $id );
}