PHP function code to delete a folder and all files under the folder_PHP tutorial

function deldir($dir) {
//Delete the directory first Files under:
$dh=opendir($dir);
while ($file=readdir($dh)) {
if($file!="." && $file!=". .") {
$fullpath=$dir."/".$file;
if(!is_dir($fullpath)) {
unlink($fullpath);
} else {
deldir($fullpath);
}
}
}
closedir($dh);
//Delete the current folder:
if(rmdir($dir)) {
return true;
} else {
return false;
}
}
?>

< ;?php
function delsvn($dir) {
$dh=opendir($dir);
//Find all ".svn" folders:
while ($file=readdir ($dh)) {
if($file!="." && $file!="..") {
$fullpath=$dir."/".$file;
if( is_dir($fullpath)) {
if($file==".svn"){
delsvndir($fullpath);
}else{
delsvn($fullpath);
}
}
}
}
closedir($dh);
}
function delsvndir($svndir){
//Delete the files in the directory first:
$dh=opendir($svndir);
while($file=readdir($dh)){
if($file!="."&&$file!=".."){
$fullpath=$svndir."/".$file;
if(is_dir($fullpath)){
delsvndir($fullpath);
}else{
unlink($fullpath);
}
}
}
closedir($dh);
//Delete directory folder
if(rmdir($svndir)){
return true;
}else{
return false;
}
}

$dir=dirname(__FILE__);
//echo $dir;
delsvn($dir);
?>