gistfile1.aw

<?php
 /**
     * (non-PHPdoc)
     * @see FilterIterator::accept()
     */
    public function accept()
    {
        /* @var $file SplFileInfo */
        $file = $this->current();

        $extension = pathinfo($file->getPathname(), PATHINFO_EXTENSION);
        if ($file->isFile() && !$this->isHidden($file) && in_array($extension, (array) $this->fileExtensions)) {
            return true;
        }
        return false;
    }