/**
* Converts a sting to a normalized (no-spaces, non-letters) string
*
* @param string $strSubject original string
* @return string normalized string
*/
public static function normalize($strSubject)
{
$strNormalized = iconv('UTF-8', 'ASCII//TRANSLIT', $strSubject);
// this is influenced by the setlocale() call with category LC_CTYPE; see PopulateDatabases.php
$strNormalized = Xerxes_Framework_Parser::strtolower($strNormalized);
$strNormalized = str_replace("&", "", $strNormalized);
$strNormalized = str_replace("'", "", $strNormalized);
$strNormalized = str_replace("+", "-", $strNormalized);
$strNormalized = str_replace(" ", "-", $strNormalized);
$strNormalized = Xerxes_Framework_Parser::preg_replace('/\\W/', "-", $strNormalized);
while (strstr($strNormalized, "--")) {
$strNormalized = str_replace("--", "-", $strNormalized);
}
return $strNormalized;
}