es reku šitādu izmantoju
function generate_title($title){
$title=strtolower($title);
$chars=array("ā"=>"a","č"=>"c","ē"=>"e","ģ"=>"g","ī"=>"i","ķ"=>"k","ļ"=>"l","ņ"=>"n","š"=>"s","ū"=>"u","ž"=>"z","-"=>"_"," "=>"_",);
foreach($chars as $key=>$value){
$title=str_replace($key,$value,$title);
}
$title=ereg_replace("[^a-z0-9_]","",$title);
return $title;
}