A function that will strip all the unsafe characters from a string in order to make it valid for URLs. This can be especially useful when you create your own URLs dynamically using mod_rewrite.

1.  function StripUrl($title)
2.  {
3.          $title = str_replace("#", "sharp", $title);
4.          $title = str_replace("/", "or", $title);
5.          $title = str_replace("$", "", $title);
6.          $title = str_replace("&", "and", $title);
7.          $title = str_replace("&", "and", $title);
8.          $title = str_replace("+", "plus", $title);
9.          $title = str_replace(",", "", $title);
10.         $title = str_replace(":", "", $title);
11.         $title = str_replace(";", "", $title);
12.         $title = str_replace("=", "equals", $title);
13.         $title = str_replace("?", "", $title);
14.         $title = str_replace("@", "at", $title);
15.         $title = str_replace("<", "", $title);
16.         $title = str_replace(">", "", $title);
17.         $title = str_replace("%", "", $title);
18.         $title = str_replace("{", "", $title);
19.         $title = str_replace("}", "", $title);
20.         $title = str_replace("|", "", $title);
21.         $title = str_replace("\\", "", $title);
22.         $title = str_replace("^", "", $title);
23.         $title = str_replace("~", "", $title);
24.         $title = str_replace("[", "", $title);
25.         $title = str_replace("]", "", $title);
26.         $title = str_replace("`", "", $title);
27.         $title = str_replace("'", "", $title);
28.         $title = str_replace("\", "", $title);
29.         $title = str_replace("_", "-", $title);
30.         $title = str_replace(" ", "-", $title);
31.         return $title;
32. }