static function normalizeWords($words){
require_once('tool/utility.php');
$words = normalize_chars($words);
$words = strtolower($words);
return $words;
}
function clean_tag($tag)
{
return preg_replace("/[^a-zA-Z0-9']/", "", normalize_chars($tag));
}
static function prettyUrl($subject)
{
$url = normalize_chars($subject);
$url = strtolower($url);
$url = preg_replace('/[^a-zA-Z0-9]/','-',$url);
$url = preg_replace('/-+/','-',$url);
$ok = (substr($url, -1)!='-');
while (!$ok){
$url = substr($url, 0, -1);
$ok = (substr($url, -1)!='-');
}
return $url;
}
static function prettyUrlAvailable($name)
{
require_once('tool/utility.php');
$url = normalize_chars($name);
$url = strtolower($url);
$url = preg_replace('/[^a-zA-Z0-9]/','-',$url);
$url = preg_replace('/-+/','-',$url);
$ok=false;
$url_prefix=$url;
$cnt=1;
while ($ok==false){
$tmpc = new Channel();
$tmpc->setUrlname($url); $tmpc->load();
$_id=$tmpc->getId();
$_lang=$tmpc->getLang();
if (empty($_id) && empty($_lang))
$ok=true;
else
$url=$url_prefix."_".($cnt);
$cnt++;
}
return $url;
}