Clean any string to make it URL friendly. Removes characters and whitespace

PHP_Sanitize.php

<?php	

function sanitize($string, $force_lowercase = true, $anal = false) {
		$strip = array("~", "`", "!", "@", "#", "$", "%", "^", "&", "*", "(", ")", "_", "=", "+", "[", "{", "]",
			"}", "\\", "|", ";", ":", "\"", "'", "&#8216;", "&#8217;", "&#8220;", "&#8221;", "&#8211;", "&#8212;",
			"—", "–", ",", "<", ".", ">", "/", "?");
		$clean = trim(str_replace($strip, "", strip_tags($string)));
		$clean = preg_replace('/\s+/', "-", $clean);
		$clean = ($anal) ? preg_replace("/[^a-zA-Z0-9]/", "", $clean) : $clean ;
		return ($force_lowercase) ?
			(function_exists('mb_strtolower')) ?
			mb_strtolower($clean, 'UTF-8') :
			strtolower($clean) :
		$clean;
	}

?>