PHP - Unable to change memory_limit on php-fpm

Question

It might seem a stupid question, but I'm already trying since one hour to figure it out without success.

As stated in title, I'm actually unable to change memory_limit directive in PHP 7.1.15 but only for php-fpm. In fact if I execute php -i | grep memory_limit in terminal I can see the correct value memory_limit => -1 => -1.

What I tried so far:

Setting memory_limit in php.ini
Using ini_set('memory_limit', -1); directly in PHP script

I also tried to disable all loaded extensions cause I thought maybe one of them is overwriting that setting, but didn't work.

Also consider that edited php.ini file is the correct one since I was able to change max_execution_time without any problem.

So how this code

ini_set('memory_limit', -1);
echo ini_get('memory_limit');
exit;

can return 128M as output?

Try setting php_admin_value[memory_limit] = -1 within your php-fpm.conf file. — user7744592
– user7744592, Commented May 30, 2018 at 10:22
It worked, thank you very much! You can write it as answer :) — DrKey
– DrKey, Commented May 30, 2018 at 10:41
Also would be nice to know in this situation how could I set memory_limit at runtime.. — DrKey
– DrKey, Commented May 30, 2018 at 11:01

user7744592 · Accepted Answer · 2018-05-30 11:10:45Z

4

To change the memory limit for PHP-FPM, add the following line to your php-fpm.conf file:

php_admin_value[memory_limit] = -1

answered May 30, 2018 at 11:10

user7744592

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Comments

bato3 · Accepted Answer · 2019-01-29 13:29:10Z

1

from fpm-config

;   php_value/php_flag             - you can set classic ini defines which can
;                                    be overwritten from PHP call 'ini_set'.
;   php_admin_value/php_admin_flag - these directives won't be overwritten by
;                                     PHP call 'ini_set'

You must chose better solution for you. I'm prefer set lower memory limit in global config, and in places (wo I can't rewrite better) I'm add ini_set('memory_limit', xxx);

answered Jan 29, 2019 at 13:29

bato3

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