PHP实现获取文件后缀名的几种常用方法,
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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