<u>复制代码</u> 代码如下:<br>function ($file_name,$pass_type=array('jpg','jpeg','gif','bmp','png')){ <br>$yx_file = $pass_type; <br>$kzm = substr(strrchr($file_name,"."),1); <br>$is_img = in_array(strtolower($kzm),$yx_file); <br>if($is_img){ <br>return true; <br>}else{ <br>return false; <br>} <br>}<br>