Additional and/or custom PHP settings at Domains > example.com > PHP Settings are not applied to the domain. e.g. memory_limit.
Going to Domains > example.com > PHP Settings > View the phpinfo() page > The
phpinfo()page shows that the Loaded Configuration File is a server-wide PHP configuration file:
If Plesk PHP is used:
* Where X.X is the PHP version, for example:
Plesk is installed on a CloudLinux OS server.
Going to LVE Manager > Selector tab (It might be necessary to click on the icon ) > this is found set to Native.
CageFS is installed and enabled for the domain subscription's user :
# cagefsctl --user-status johndoe
CageFS restricts the domain system user to use the server-wide PHP configuration not allowing any additional or custom setting.
Note: In case CageFS is needed to be enabled for the system user, contact CloudLinux Support Team to get recommendations on its configuration.
Disable CageFS for the domain system user:
Via Plesk GUI