Slugify helper function

slugify.php

function to_slug($str, $replace=array(), $delimiter='_', $maxLength=200)
{
	if(!empty($replace))
	{
		$str = str_replace((array)$replace, ' ', $str);
	}

	$clean = iconv('UTF-8', 'ASCII//TRANSLIT', $str);
	$clean = preg_replace("%[^-/+|\w ]%", '', $clean);
	$clean = strtolower(trim(substr($clean, 0, $maxLength), $delimiter));
	$clean = preg_replace("/[\/_|+ -]+/", $delimiter, $clean);

	return $clean;
}