mirror of
https://e.coding.net/circlecloud/MinecraftAccount.git
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2003fda7cb
Signed-off-by: j502647092 <jtb1@163.com>
200 lines
6.6 KiB
PHP
200 lines
6.6 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace Org\Util;
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class CodeSwitch {
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// 错误信息
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static private $error = array();
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// 提示信息
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static private $info = array();
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// 记录错误
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static private function error($msg) {
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self::$error[] = $msg;
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}
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// 记录信息
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static private function info($info) {
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self::$info[] = $info;
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}
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/**
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* 编码转换函数,对整个文件进行编码转换
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* 支持以下转换
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* GB2312、UTF-8 WITH BOM转换为UTF-8
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* UTF-8、UTF-8 WITH BOM转换为GB2312
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* @access public
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* @param string $filename 文件名
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* @param string $out_charset 转换后的文件编码,与iconv使用的参数一致
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* @return void
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*/
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static function DetectAndSwitch($filename,$out_charset) {
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$fpr = fopen($filename,"r");
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$char1 = fread($fpr,1);
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$char2 = fread($fpr,1);
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$char3 = fread($fpr,1);
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$originEncoding = "";
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if($char1==chr(239) && $char2==chr(187) && $char3==chr(191))//UTF-8 WITH BOM
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$originEncoding = "UTF-8 WITH BOM";
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elseif($char1==chr(255) && $char2==chr(254))//UNICODE LE
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{
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self::error("不支持从UNICODE LE转换到UTF-8或GB编码");
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fclose($fpr);
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return;
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}elseif($char1==chr(254) && $char2==chr(255)){//UNICODE BE
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self::error("不支持从UNICODE BE转换到UTF-8或GB编码");
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fclose($fpr);
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return;
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}else{//没有文件头,可能是GB或UTF-8
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if(rewind($fpr)===false){//回到文件开始部分,准备逐字节读取判断编码
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self::error($filename."文件指针后移失败");
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fclose($fpr);
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return;
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}
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while(!feof($fpr)){
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$char = fread($fpr,1);
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//对于英文,GB和UTF-8都是单字节的ASCII码小于128的值
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if(ord($char)<128)
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continue;
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//对于汉字GB编码第一个字节是110*****第二个字节是10******(有特例,比如联字)
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//UTF-8编码第一个字节是1110****第二个字节是10******第三个字节是10******
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//按位与出来结果要跟上面非星号相同,所以应该先判断UTF-8
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//因为使用GB的掩码按位与,UTF-8的111得出来的也是110,所以要先判断UTF-8
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if((ord($char)&224)==224) {
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//第一个字节判断通过
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$char = fread($fpr,1);
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if((ord($char)&128)==128) {
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//第二个字节判断通过
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$char = fread($fpr,1);
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if((ord($char)&128)==128) {
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$originEncoding = "UTF-8";
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break;
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}
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}
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}
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if((ord($char)&192)==192) {
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//第一个字节判断通过
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$char = fread($fpr,1);
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if((ord($char)&128)==128) {
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//第二个字节判断通过
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$originEncoding = "GB2312";
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break;
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}
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}
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}
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}
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if(strtoupper($out_charset)==$originEncoding) {
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self::info("文件".$filename."转码检查完成,原始文件编码".$originEncoding);
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fclose($fpr);
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}else {
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//文件需要转码
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$originContent = "";
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if($originEncoding == "UTF-8 WITH BOM") {
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//跳过三个字节,把后面的内容复制一遍得到utf-8的内容
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fseek($fpr,3);
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$originContent = fread($fpr,filesize($filename)-3);
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fclose($fpr);
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}elseif(rewind($fpr)!=false){//不管是UTF-8还是GB2312,回到文件开始部分,读取内容
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$originContent = fread($fpr,filesize($filename));
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fclose($fpr);
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}else{
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self::error("文件编码不正确或指针后移失败");
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fclose($fpr);
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return;
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}
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//转码并保存文件
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$content = iconv(str_replace(" WITH BOM","",$originEncoding),strtoupper($out_charset),$originContent);
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$fpw = fopen($filename,"w");
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fwrite($fpw,$content);
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fclose($fpw);
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if($originEncoding!="")
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self::info("对文件".$filename."转码完成,原始文件编码".$originEncoding.",转换后文件编码".strtoupper($out_charset));
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elseif($originEncoding=="")
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self::info("文件".$filename."中没有出现中文,但是可以断定不是带BOM的UTF-8编码,没有进行编码转换,不影响使用");
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}
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}
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/**
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* 目录遍历函数
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* @access public
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* @param string $path 要遍历的目录名
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* @param string $mode 遍历模式,一般取FILES,这样只返回带路径的文件名
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* @param array $file_types 文件后缀过滤数组
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* @param int $maxdepth 遍历深度,-1表示遍历到最底层
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* @return void
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*/
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static function searchdir($path,$mode = "FULL",$file_types = array(".html",".php"),$maxdepth = -1,$d = 0) {
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if(substr($path,strlen($path)-1) != '/')
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$path .= '/';
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$dirlist = array();
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if($mode != "FILES")
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$dirlist[] = $path;
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if($handle = @opendir($path)) {
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while(false !== ($file = readdir($handle)))
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{
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if($file != '.' && $file != '..')
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{
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$file = $path.$file ;
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if(!is_dir($file))
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{
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if($mode != "DIRS")
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{
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$extension = "";
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$extpos = strrpos($file, '.');
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if($extpos!==false)
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$extension = substr($file,$extpos,strlen($file)-$extpos);
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$extension=strtolower($extension);
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if(in_array($extension, $file_types))
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$dirlist[] = $file;
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}
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}
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elseif($d >= 0 && ($d < $maxdepth || $maxdepth < 0))
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{
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$result = self::searchdir($file.'/',$mode,$file_types,$maxdepth,$d + 1) ;
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$dirlist = array_merge($dirlist,$result);
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}
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}
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}
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closedir ( $handle ) ;
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}
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if($d == 0)
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natcasesort($dirlist);
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return($dirlist) ;
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}
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/**
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* 对整个项目目录中的PHP和HTML文件行进编码转换
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* @access public
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* @param string $app 要遍历的项目路径
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* @param string $mode 遍历模式,一般取FILES,这样只返回带路径的文件名
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* @param array $file_types 文件后缀过滤数组
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* @return void
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*/
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static function CodingSwitch($app = "./",$charset='UTF-8',$mode = "FILES",$file_types = array(".html",".php")) {
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self::info("注意: 程序使用的文件编码检测算法可能对某些特殊字符不适用");
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$filearr = self::searchdir($app,$mode,$file_types);
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foreach($filearr as $file)
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self::DetectAndSwitch($file,$charset);
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}
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static public function getError() {
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return self::$error;
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}
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static public function getInfo() {
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return self::$info;
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}
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} |