select - 带有 3 个 WHERE 子句的 MYSQL SELECT

Question

我在使用此代码时遇到问题

$set = 'mycrazyemail@gmail.com'
$check_is_idk = $db->query("SELECT * FROM `ppl` WHERE `email` = '{$set}' AND `is` = 'idk' AND `belongs` = '{$id}'");

问题是什么？

Answer 1

您在第一行的末尾缺少一个分号，它当前会导致解析错误：

$set = 'mycrazyemail@gmail.com';
$check_is_idk = $db->query("SELECT * FROM `ppl` WHERE `email` = '{$set}' AND `is` = 'idk' AND `belongs` = '{$id}'");