


Detailed explanation of how to delete a specified folder in PHP
The following editor will bring you an example of how to delete a specified folder in PHP. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor and take a look
1. Preface
2. Introduction to related functions
The method of operating PHP files is roughly the same. It has been introduced in the previous article. I will not repeat the introduction here. Here I will introduce a new one. Functionrmdir
3. Code composition
** * [delAllFile description] 删除指定目录 * @param [type] $dirName [description] 目录 * @param [type] $file [description] 记录的过程文件 * @param integer $type [description] 第一次默认打开新文件,第二次调用不打开 * @return [type] [description] */ public function delAllFile($dirName, $file, $type = 1) { $re = $this->checkDir($dirName); //默认第一次打开文件 if($type){ $file = fopen($file, 'w');//打开日志文件 } if($re){ $this->delFile($dirName, $file); }else{ fwrite($file,"{$dirName}清理完成\r\n"); } }
/** * [checkDir description] 检测文件夹是否为空,为空直接删除 * @param [type] $dirName [description] 文件夹名 * @return [type] [description] */ private function checkDir($dirName) { $a = scandir($dirName);//列出 images 目录中的文件和目录: //只包含.和..目录的文件夹为空文件夹 if(sizeof($a) == 2){ rmdir($dirName); return false; } return true; } /** * [delFile description] 上传文件的方法 * @param [type] $dirName [description] 目录 * @param [type] $file [description] 记录的文件 * @return [type] [description] */ private function delFile($dirName, $file) { $dh = openDir($dirName); while($handle = readdir($dh)){ if($handle == '.' || $handle == '..') { continue; } $resource = $dirName.'/'.$handle; //判断是否是文件夹 if(is_dir($resource)) { //判断文件夹是否为空 $re = $this->checkDir($dirName); if($re){ $this->delAllFile($resource, $file, 0); }else{ fwrite($file,"{$resource}清理完成\r\n"); continue; } }else{ unlink($resource); } } //关掉资源,删除目录 closedir($dh);//关闭目录资源 fwrite($file,"{$dirName}清理完成\r\n"); rmdir($dirName);//删除空目录 }
// //关掉资源,删除目录 // closedir($dh);//关闭目录资源 // fwrite($file,"{$dirName}清理完成\r\n"); //rmdir($dirName);//删除空目录 //每次目录层级高了就报错,故加个循环处理 $i = 1; while($i){ $re = $this->checkDir($dirName); echo "$dirName $i 次<br/><hr/>"; $i++; if(!$re){ $i = 0; closedir($dh);//关闭目录资源 fwrite($file,"{$dirName}清理完成\r\n"); } }
4. Conclusion
Deleting a directory is relatively simple. The basic steps are: 1. Determine whether it is a directory. , if it is a directory, call itself recursively, otherwise the file will be deleted directly; 2. Determine whether the directory is empty. If it is not empty, rmdir will throw an error; 3. File permission issues (window , this is not a problem)The above is the detailed content of Detailed explanation of how to delete a specified folder in PHP. For more information, please follow other related articles on the PHP Chinese website!

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