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Issue WordPress website stuck on PHP version

Merklynn

New Pleskian
Server operating system version
Ubuntu 24.04.4 LTS
Plesk version and microupdate number
Plesk Obsidian 18.0.77 Update #1
I have a WordPress website (WP v6.9.4) and I am trying to change the PHP Time Limit, Post Max Size and Max Upload Size settings.

Using the Plesk interface and selecting the PHP button in the Dev Tools and change the values accordingly in the drop down menus. Unfortunately, the settings I set do not save.

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I have selected PHP 8.4.19, run PHP as FPM application served by Apache, but, various plugins within WordPress tell me I am using PHP 8.3.30.

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In the php.ini file, it is also reporting I am using PHP8.3.30

Screenshot 2026-04-08 165924.jpg

The URL for the php.ini file is:


So, I have tried:

Switching PHP versions, from PHP8.2.30 and then back to PHP8.4.19, and I get an error:

Error: phpinimng failed: Job for plesk-php82-fpm.service failed because the control process exited with error code.
See "systemctl status plesk-php82-fpm.service" and "journalctl -xeu plesk-php82-fpm.service" for details.
ERROR:php_fpm:Failed to start plesk-php82-fpm service, pause before retry
Job for plesk-php82-fpm.service failed because the control process exited with error code.
See "systemctl status plesk-php82-fpm.service" and "journalctl -xeu plesk-php82-fpm.service" for details.
Failed to start plesk-php82-fpm service

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In Tools and Settings > PHP Settings, I’ve disabled PHP8.3.30, hoping to ‘force’ Plesk use PHP8.4.19, no luck. The website is still running, even after I’ve disabled PHP8.3. I have restarted the PHP service in the Services Management, again, no luck.

Is this an issue with Plesk or WordPress? It seems no matter what I do, the website is ‘stuck’ in PHP8.3. Is there a ‘preference’ or settings file I can delete?

Any help is apricated, but, my terminal and SSH skills are beginner.

Thank you.

Merklynn
 

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Hi, @Merklynn . Could you please log into the server via SSH and run:

Code:
cat /var/log/plesk-php82-fpm/error.log | grep ERROR

Please provide us with the latest entries logged.
 
Hello @Sebahat.hadzhi
Thank you for the reply. I tried to SSH the error.log, but was denied, so, I FTP in to the server and found the file instead. Please find it attached. I had to ZIP the log file as this forum won't allow .log files.
 

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