function Slug($string){ return strtolower(trim(preg_replace('~[^0-9a-z]+~i', '-', html_entity_depre(preg_replace('~&([a-z]{1,2})(?:acute|cedil|circ|grave|lig|orn|ring|slash|th|tilde|uml);~i', '$1', htmlentities($string, ENT_QUOTES, 'UTF-8')), ENT_QUOTES, 'UTF-8')), '-'));}$user = 'Alix Axel';echo Slug($user); // alix-axel$user = 'Álix Ãxel';echo Slug($user); // alix-axel$user = 'Álix----_Ãxel!?!?';echo Slug($user); // alix-axel
