Wrong PHP version for sub domain created via API/CLI

Symptoms

• Main domain example.com has PHP version, for example, 7.1.
• Sub-domain subdomain.example.com is created via CLI with PHP handler version of, for example, 7.2:
  

  # plesk bin subdomain --create subdomain -webspace-name 'example.com' -domain example.com -php_handler_id plesk-php72-fpm

• In Domains > subdomain.example.com > PHP Settings > View the phpinfo() page can be seen that PHP 7.1 is in use.

• FPM configuration file for subdomain.example.com is located in the pool of PHP 7.1:
  

  # find /opt/plesk/php/ -name "*subdomain.example.com*"
  /opt/plesk/php/7.1/etc/php-fpm.d/subdomain.example.com.conf

• Sub-domains created via API have the same issue.

Cause

Plesk bug PPPM-7753 that is planned to be fixed in one of the future product updates.

Resolution

Note: The solution is compiled with versions of PHP mentioned in the symptoms in mind.

Until a fix becomes available to use the following instruction:

1. Go to Domains > subdomain.example.com > PHP settings
2. Select PHP version other than the required one and click Apply
3. Select the required PHP version and click Apply

Also, it is possible to switch it back and forth via the command line:

1. Log in to Plesk using SSH.

2. Execute the following commands:

   # plesk bin domain -u subdomain.example.com -php_handler_id plesk-php71-fpm
   # plesk bin domain -u subdomain.example.com -php_handler_id plesk-php72-fpm

Additional Information

Unable to create the domain: Unable to update the config file for 'fpm' service due to syntax errors