PHP file traversal small example

PHP file traversal small example

Full code:

$dir = "D:workspace";

function list_file($dir = '.'){
 $list = scandir($dir);
 echo ' '; 
 foreach($list as $file){ 
 $target = "$dir/$file"; 
 if ( is_dir($target) && $file != '.' && $file != '..' ) { 
 echo "$file"; 
 list_file($target); 
 } else if ( $file != '.' && $file != '..'){ 
 echo "$file"; 
 } 
 } 
 echo '';
 foreach($list as $file){
 $target = "$dir/$file";
 if ( is_dir($target) && $file != '.' && $file != '..' ) {
 echo "
$file
 list_file($target);
 } else if ( $file != '.' && $file != '..'){
 echo "
$file
 }
 }
 echo '
}
list_file($dir);