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我想验证用户提供的 bing web master 的登录凭据,并获得经过身份验证的凭据并获取该特定用户帐户中分配的网站列表。
我正在编写代码: <?PHP $where='<something'; echo $where; ?> 但它不会回显任何内容,直到我将字符串 $where 更改为 '< something'(在“<”之后添加一个空格),为什么?
<?PHP $where='<something'; echo $where; ?>
它可能会将 < 编译为某些标