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Asked: 2026-05-10T22:51:02+00:00

PHP provides a mechanism to register a shutdown function: register_shutdown_function(‘shutdown_func’); The problem is that

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PHP provides a mechanism to register a shutdown function:

register_shutdown_function('shutdown_func');

The problem is that in the recent versions of PHP, this function is still executed DURING the request.

I have a platform (in Zend Framework if that matters) where any piece of code throughout the request can register an entry to be logged into the database. Rather than have tons of individual insert statements throughout the request, slowing the page down, I queue them up to be insert at the end of the request. I would like to be able to do this after the HTTP request is complete with the user so the length of time to log or do any other cleanup tasks doesn’t affect the user’s perceived load time of the page.

Is there a built in method in PHP to do this? Or do I need to configure some kind of shared memory space scheme with an external process and signal that process to do the logging?

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  1. If you’re really concerned about the insert times of MySQL, you’re probably addressing the symptoms and not the cause.

    For instance, if your PHP/Apache process is executing after the user gets their HTML, your PHP/Apache process is still locked into that request. Since it’s busy, if another request comes along, Apache has to fork another thread, dedicate more memory to it, open additional database connections, etc.

    If you’re running into performance problems, you need to remove heavy lifting from your PHP/Apache execution. If you have a lot of cleanup tasks going on, you’re burning precious Apache processes.

    I would consider logging your entries to a file and have a crontab load these into your database out of band. If you have other heavy duty tasks, use a queuing/job processing system to do the work out of band.

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