stubify.php

// Takes a string and returns a stub suitable for a URL
// Mostly tested ;)

private function stubify($string) {
	// Replace anything that's not a whitelisted character...
	$string = preg_replace('/[^(a-z0-9\s_\-)]/i', '', $string);

	// Transform multiple spaces/underscores/dashes to dashes
	$string = preg_replace('/[\s_\-]{1,}/', '-', $string);

	return strtolower($string);
}