How to delete all files in php

php method to delete all files: 1. Delete all files contained in the folder through the "deldir($fullpath);" method; 2. Through "public function deldir($dir){...} ” method deletes the folder and all files under the folder.

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The operating environment of this tutorial: Windows 7 system, PHP version 7.1, This method works for all brands of computers.

PHP deletes the folder and all files under the folder

1. Only delete the files contained in the folder, not the folder

public function deldir($dir) {
//先删除目录下的文件：
$dh = opendir($dir);
while ($file = readdir($dh)) {
if($file != "." && $file!="..") {
$fullpath = $dir."/".$file;
if(!is_dir($fullpath)) {
unlink($fullpath);
} else {
deldir($fullpath);
}
}
}
closedir($dh);
}

2. Delete the folder and all files under the folder

public function deldir($dir) {
//先删除目录下的文件：
$dh = opendir($dir);
while ($file = readdir($dh)) {
if($file != "." && $file!="..") {
$fullpath = $dir."/".$file;
if(!is_dir($fullpath)) {
unlink($fullpath);
} else {
deldir($fullpath);
}
}
}
closedir($dh);
//删除当前文件夹：
if(rmdir($dir)) {
return true;
} else {
return false;
}
}

3. Create the folder and specify permissions and encoding

if (!is_dir($dir)){                                 //如果目录不存在
mkdir(iconv("UTF-8", "GBK", $dir),0777,true);   //创建目录,777权限,GBK编码格式
}

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