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felayman-php_获取上传文件的后缀名

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Release: 2016-06-13 11:54:03
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felayman----php_获取上传文件的后缀名

<?php /** * Created by PhpStorm. * User: FelayMan * Date: 14-4-7 * Time: 下午5:34 */    function get_file_name($str){        //将上传文件名称进行反转        $str1 = strrev($str);        //explode — 以指定符号将一个字符串分割成一个数组        $tmp_str = explode('.',$str1);        //再次将字符串进行反转        $name = strrev($tmp_str[0]);        return $name;    }    if(!empty($_POST['submit'])){       $file_name =  get_file_name($_POST['file']);       echo $file_name;    }?>    <title>获取上传文件的后缀</title>    <meta charset="utf-8">
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