php 上传文件类型判断函数(避免上传漏洞 )
2017-02-06
20
复制代码 代码如下:function ($file_name,$pass_type=array("jpg","jpeg","gif","bmp","png")){ $yx_file = $pass_type; $kzm = substr(strrchr($file_name,"."),1); $is_img = in_array(strtolower($kzm),$yx_file); if($is_img){ return true; }else{ ret...