PHP SLUG FUNCTION - slugify

slug.php

	function Slug($text)
	{
		// replace non letter or digits by -
		$text = preg_replace('~[^\\pL\d]+~u', '-', $text);

		// trim
		$text = trim($text, '-');

		// transliterate
		$text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);

		// lowercase
		$text = strtolower($text);

		// remove unwanted characters
		$text = preg_replace('~[^-\w]+~', '', $text);

		if (empty($text)) {
			return 'n-a';
		}

		return $text;
	}