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PHP中如何判断AJAX提交的数据

WBOY
WBOYOriginal
2016-06-06 20:40:101158browse

这是一个比较常用的方法,有时候我们需要知道一个页面是被直接访问的还是通过ajax来访问的

如果是ajax请求,以下表达式的值为真
$_SERVER["HTTP_X_REQUESTED_WITH"]==”XMLHttpRequest”
就是一个PHP的环境变量。
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