final protected function camelize($str)
    {
        if (strstr($str, '_') === false) {
            return $str;
        }
        return lcfirst(implode('', array_map('ucfirst', explode('_', $str))));
    }
final protected function camelize($str)
    {
        if (strstr($str, '_') === false) {
            return $str;
        }
        return lcfirst(implode('', array_map('ucfirst', explode('_', $str))));
    }
final protected function camelize ( $ str ) { if ( strstr ( $ str , '_' ) === false ) { return $ str ; } return lcfirst ( implode ( '' , array_map ( 'ucfirst' , explode ( '_' , $ str ) ) ) ) ; }
Transform a string from "snake_case" to "camelCase".

@param  string $str The string to camelize.
@return string The camelized string.
Transform a string from snake_case to camelCase .