是否有隐藏的宝石可以在运行时卸下特定的扩展?
不, s < a href=" "https://bugs.php.net/bug.php?id=53957" rel = "nofollow"\\ strong > 是不可能的 ,而且很可能永远也不会:
[2011-02-08 11:34 UTC] [email protected]
extension unloading on a per-request basis simply isn t feasible from a performance point of view. And you obviously can t unload and leave it unloaded for the next request because that next request may be for a page that expects the extension to be there.
然而,使用 dl () 还是不鼓励使用 -- -- 最近版本只有CLI版本。
从另一个角度看:不可能从正在运行的 PHP 口译员中删除扩展, 因为它可能已经以不可逆转的方式修改了 PHP 口译员的状况。 例如, 装入后有许多扩展注册分类; 这些模块中没有代码可以解除这些分类的卸载。 更糟糕的是, 如果您的脚本已经运行, 它可能已经包含这些分类的事例, 如果被操作的类别定义丢失, 将会让口译员崩溃 。
至于变通办法,如果使用PHP CLI或其内置服务器 (>>php -S ),您可以指定 -n / -no-php-ini 忽略您的 php.ini ,这样它就可以在运行时卸下您的所有扩展名。 可用于测试 。
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