dongxu8533486 2013-05-11 06:18
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php扩展用C语言编写的处理程序替换PHP类方法

My level of experience: very comfortable with C, novice to PHP, new to and very frustrated with Zend Engine (no documentation?)

I'm trying to write my first PHP extension, and I'm wondering if the following is even possible.

PHP code illustrating my goal:

class MyClass
{
    public function foo($bar)
    {
        (stuff that runs extremely slowly in PHP)
        return "result";
    }
}

$a = new MyClass();
echo "Watch how slow this is: ", $a->foo();

tell_my_custom_php_extension_to_replace_foo_with_my_reimplementation_of_foo_in_c("MyClass");

echo "Wow, now it's wonderfully fast! See: ", $a->foo();

Also, I'm aware I could just rewrite foo to call a function exposed by the extension, but that's not interesting to me. I just want to know if the above example (where the PHP class is not aware of and does not cooperate with the extension) is possible.

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  • doufei7464 2013-05-11 09:03
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    The runkit extension does this kind of thing: http://www.php.net/manual/en/function.runkit-method-redefine.php

    It's available for download at http://pecl.php.net/package/runkit but there are much recent changes in git://git.php.net/pecl/php/runkit.git

    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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