学些关于函数FUNCTION方面的东东。。

感觉和PYTHON的APLLY功能差不多。。

     ";    }    function go($name = "jack"){        echo "$name 走了
";    }    function back($string){        echo "又回来了, $string
";    }    $func = "come";    $func();    $func="go";    $func("Tome");    $func="back";    $func("Lily");    function &test($tmp = 0){        return $tmp;    }    $str = &test("看到了");    echo $str."
";    function example($num, $m, &$n){        $m = $m * 5 + 10;        echo "in function:\$m = ".$m;        echo "
";        $n = $n * 8 + 4;        echo "in function:\$n = ".$n;        echo "
";        return "$num * $num = ".$num * $num;    }    $m = 1;    $n = 10;    echo example(10, $m, $n);    echo "
";    echo "out function: \$m = ".$m;    echo "
";    echo "out function: \$n = ".$n;?>