php method to delete files based on path: 1. Delete folders and files under a path through the "function deleteDir($dir){...}" method; 2. Through the "function deldir($path) ){...}"delete.
The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer
How does php delete files based on the path? PHP deletes a path Methods for all folders and files under
Function used:
scandir($path) Traverses all files in a folder and returns an array.
unlink($filename) Delete the file.
rmdir($path) Delete only empty folders
Code:
Delete a single file
$file = "./aa/aas.txt"; if (!unlink($file)) { echo ("Error deleting $file"); } else { echo ("Deleted $file"); }
Delete all folders and files under a path Method 1
$path = "./aa"; function deleteDir($dir) { if (!$handle = @opendir($dir)) { return false; } while (false !== ($file = readdir($handle))) { if ($file !== "." && $file !== "..") { //排除当前目录与父级目录 $file = $dir . '/' . $file; if (is_dir($file)) { deleteDir($file); } else { @unlink($file); } } } @rmdir($dir); } deleteDir($path);
Method 2 to delete all folders and files under a path
//设置需要删除的文件夹 $path = "./aa"; //清空文件夹函数和清空文件夹后删除空文件夹函数的处理 function deldir($path){ //如果是目录则继续 if(is_dir($path)){ //扫描一个文件夹内的所有文件夹和文件并返回数组 $p = scandir($path); foreach($p as $val){ //排除目录中的.和.. if($val !="." && $val !=".."){ //如果是目录则递归子目录,继续操作 if(is_dir($path.'/'.$val)){ //子目录中操作删除文件夹和文件 deldir($path.'/'.$val); //目录清空后删除空文件夹 @rmdir($path.'/'.$val); }else{ //如果是文件直接删除 unlink($path.'/'.$val); } } } } } //调用函数,传入路径 deldir($path);
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