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Homephp教程php手册PHP获取文件后缀名的函数

PHP获取文件后缀名的函数

Jun 13, 2016 am 11:37 AM
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似乎PHP没有自带获取文件后缀名的函数,翻书也没找到,网上搜索也没有,就自己写了个函数,很轻松就可以获取了。见网上很多朋友在找,就发出来分享分享,如果你发现有更好的方法,一定要在下面留言告诉我呀!

函数如下:

function gontenfile($filestr){
$gonten= explode(’.',$filestr); //用点号分隔文件名到数组
$gonten = array_reverse($gonten); //把上面数组倒序
return $gonten[0]; //返回倒序数组的第一个值
}

用 $filename = gontenfile(’文件名’); 这样的方式就可以获取文件的后缀了。

本文来自: www.Gonten.com

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