/* 

代码功能：中文名图片上传改名

 */

function wpyou_rename_upload_file_prefilter($file){

$time=date("YmdHis").floor(microtime()*1000);

$file['name'] = "0660-hf".$time.mt_rand(1,100).".".pathinfo($file['name'] , PATHINFO_EXTENSION);

return $file;

}

add_filter('wp_handle_upload_prefilter', 'wpyou_rename_upload_file_prefilter');