How to disable PHP-OPcache on php8.5+ per user/site or for WHMCS

PPNSteve

• October 11, 2026 16:49

Apparently WHMCS is complaining about opcache in the recently updated to php8.5.

Adding opcache.enable = 0  and  opcache.enable_cli = 0 the the domain's php.ini file does nothing..

How can we disable it for the whmcs domain/site without affecting the rest of the users?

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  cPRex Jurassic Moderator

  • October 13, 2026 17:25

  Hey there!  I wouldn't recommend manually editing the php.ini directly, as that could get overwritten by other changes in the interface.

  If you try this directly from the cPanel >> Multi PHP INI Editor page do you get the same result?  If so, are you able to create a PHP Info page (https://support.cpanel.net/hc/en-us/articles/360052760494-How-to-use-a-PHPInfo-file-for-troubleshooting-PHP-issues) and confirm that file is being read properly?

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