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php 上传文件类型判断函数(避免上传漏洞 )

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Release: 2016-06-06 20:34:13
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php 判断上传类型 避免上传漏洞

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{
return false;
}
}
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