public function convert($string, $delimiter = '_')
    {
        $func = create_function('$c', 'return strtoupper($c[1]);');

        return preg_replace_callback('/[\s]+(.)/', $func, str_replace($delimiter, ' ', $string));
    }
public function convert($string, $delimiter = '_')
    {
        $func = create_function('$c', 'return strtoupper($c[1]);');

        return preg_replace_callback('/[\s]+(.)/', $func, str_replace($delimiter, ' ', $string));
    }
public function convert ( $ string , $ delimiter = '_' ) { $ func = create_function ( '$c' , 'return strtoupper($c[1]);' ) ; return preg_replace_callback ( '/[\s]+(.)/' , $ func , str_replace ( $ delimiter , ' ' , $ string ) ) ; }
convert string to camelcase

@param string $string
@param string $delimiter
@return string
convert string to camelcase