php判断请求是否是ajax请求

if(isset($_SERVER["HTTP_X_REQUESTED_WITH"]) && strtolower($_SERVER["HTTP_X_REQUESTED_WITH"])=="xmlhttprequest"){ 
	echo 'is ajax';
}else{
	echo 'not ajax';
}

更多内容请参考原文地址:https://www.codelovers.cn/article/20190104172952.html

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