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PHP实现获取文件后缀名的几种常用方法

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Release: 2016-06-06 19:48:32
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这篇文章主要介绍了PHP实现获取文件后缀名的几种常用方法,通过三种不同的方法实例分析了php获取文件后缀名的实现技巧,分别通过字符串、文件属性及数组等方式实现

本文实例讲述了PHP实现获取文件后缀名的几种常用方法。分享给大家供大家参考。具体如下:

方法1:

function get_file_type($filename){ $type = substr($filename, strrpos($filename, ".")+1); return $type; }

方法2:

function get_file_type($filename) { $type = pathinfo($filename); $type = strtolower($type["extension"]); return $type; }

方法3:

function get_file_type($filename) { $type =explode("." , $filename); $count=count($type)-1; return $type[$count]; }

希望本文所述对大家的php程序设计有所帮助。

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