- preg_replace_callback: documentation ( source)
- ucwords: documentation ( source)
- str_replace: documentation ( source)
<?php
echo preg_replace_callback('/([a-z])(_[a-z]+)/', function($u)
{
//var_dump($u);
return ucwords(str_replace('_', '', $u[0]));
}
, 'rob_tr_yuui');