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Editorial Team
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Asked: 2026-06-11T20:30:08+00:00

Fatal error: Allowed memory size of 104857600 bytes exhausted (tried to allocate 32345609 bytes)

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Fatal error: Allowed memory size of 104857600 bytes exhausted (tried
to allocate 32345609 bytes)

It mean I need 137203209 bytes memory limit to run my php script.
I got this error although I have the following code in the script.

 ini_set('memory_limit', 268435456); # 256 MB

The script is on my shared hosting server. I don’t have access to php.ini.
The memory_limit did work for other scripts in the same hosting server.

When I checked phpinfo() of my server, I see these

suhosin.memory_limit – 128
memory_limit – 100M

My script definitely needs more than 128M because it is a mail sending script with large file attachment.

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1 Answer

  1. Editorial Team

    suhosin.memory_limit - 128 does not allow you to increase memory limit higher that 128mb, set it to 268435456 to be allowed to increase memory_limit up to 256Mb. I doubt you can do it on a shared hosting, though, because you need an access to suhosin ini file (you can not do something like ini_set('suhosin.memory_limit', 268435456);).

    More about suhosin.memory_limit

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