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PHP function to clear multi-level directories

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Release： 2016-07-25 09:00:29

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PHP custom function clears the contents of a directory and subdirectories. The code is simple and concise. Friends in need can refer to it.

The complete code is as follows.

<?php
//清空多层目录
function del_dir($dir){
{
if (!$dir) { return ; }
$cacheDir = $dir;
$dh = opendir($cacheDir);
while ( $file = readdir($dh) ) {

if (($file == '.') || ($file == '..')) { continue; }
if (file_exists( $cacheDir .'/'.$file)) {
  if(is_dir( $cacheDir .'/'.$file)){
     del_dir($cacheDir .'/'.$file);
  }elseif (!unlink($cacheDir .'/'. $file)) {
//删除完操作
}
}
}
}
}
?>

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php清空多层目录的函数

source：php.cn

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