PHP implements directory traversal deletion based on Dir class

This article mainly introduces PHP using the built-in Dir class to implement directory traversal Delete method, involving the use of the Dir class in PHP skills, with a certain reference value, the need for friends can refer to the next

The example in this article describes how PHP uses the built-in Dir class to implement directory traversal removal. The implementation method is as follows:

function Cleardir ($dir) {if (file_exists ($dir)) {  if (!is_dir ($dir))   exit ("{$dir} is not a directory");  else  {   $dirObj = dir ($dir);   while ($file = $DIROBJ->read ())   {    if (Is_dir ($dir. ') /'. $file) && $file!== '. ' && $file!== ' ... ')    {     Cleardir ($dir. ') /'. $file);     if (@!rmdir ($dir. ' /'. $file))       echo "no permission to delete {$dir}/{$file} directory <br/>";    }    ElseIf ($file!== ' && $file!== ' ... ')    {     if (unlink ($dir. ') /'. $file))       echo "{$file} file successfully deleted <br/>";}}}  } else  exit ("{$dir} does not exist");} Cleardir ('./demo ');

Summary : The above is the entire content of this article, I hope to be able to help you learn.

Related recommendations:

Php method for FTP transfer of files based on Curl

Implementation of multi-dimensional array traversal and unset deletion method in PHP

PHP template and JS upload plug-in combination to implement a non-flush upload method