PHP 5: Recursively move, copy or delete files and folders

/**
 * Recursively move files from one directory to another
 *
 * @param String $src - Source of files being moved
 * @param String $dest - Destination of files being moved
 */
function rmove($src, $dest){
 
    // If source is not a directory stop processing
    if(!is_dir($src)) return false;
 
    // If the destination directory does not exist create it
    if(!is_dir($dest)) {
        if(!mkdir($dest)) {
            // If the destination directory could not be created stop processing
            return false;
        }
    }
 
    // Open the source directory to read in files
    $i = new DirectoryIterator($src);
    foreach($i as $f) {
        if($f->isFile()) {
            rename($f->getRealPath(), "$dest/" . $f->getFilename());
        } else if(!$f->isDot() && $f->isDir()) {
            rmove($f->getRealPath(), "$dest/$f");
            unlink($f->getRealPath());
        }
    }
    unlink($src);
}

/**
 * Recursively copy files from one directory to another
 *
 * @param String $src - Source of files being moved
 * @param String $dest - Destination of files being moved
 */
function rcopy($src, $dest){
 
    // If source is not a directory stop processing
    if(!is_dir($src)) return false;
 
    // If the destination directory does not exist create it
    if(!is_dir($dest)) {
        if(!mkdir($dest)) {
            // If the destination directory could not be created stop processing
            return false;
        }
    }
 
    // Open the source directory to read in files
    $i = new DirectoryIterator($src);
    foreach($i as $f) {
        if($f->isFile()) {
            copy($f->getRealPath(), "$dest/" . $f->getFilename());
        } else if(!$f->isDot() && $f->isDir()) {
            rcopy($f->getRealPath(), "$dest/$f");
        }
    }
}

function deleteDir($dir) {
    $iterator = new RecursiveDirectoryIterator($dir);
    foreach (new RecursiveIteratorIterator($iterator, RecursiveIteratorIterator::CHILD_FIRST) as $file) {
      if ($file->isDir()) {
         rmdir($file->getPathname());
      } else {
         unlink($file->getPathname());
      }
    }
    rmdir($dir);
}