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Home/ Questions/Q 655537
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Editorial Team
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Editorial Team
Asked: May 13, 20262026-05-13T22:36:52+00:00 2026-05-13T22:36:52+00:00

if i have a php background job, may need to run 4-5hours or more

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if i have a php background job, may need to run 4-5hours or more
will it cause exception on memory_limit

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  1. Editorial Team
    Editorial Team
    2026-05-13T22:36:52+00:00Added an answer on May 13, 2026 at 10:36 pm

    PHP has a very primitive memory manager and scripts are not designed to run for very long. You can update the memory limit like this:

    <?php ini_set(“memory_limit”,”256M”); ?>
    

    But you will probably still have memory problems. You could try adding a ton of unset()’s to your script and this can help a bit. But the memory leaks are probably in PHP and its C/C++ extensions which you can’t control. In the past I have had to rewrite background tasks in Java.

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