Try one of this solution

1. In your terminal type find / -name "php.ini"

2. In your terminal type php -i | grep php.ini  . It should show the file path as Configuration File (php.ini) Path => /etc

3. If you can access one your php files  , open it in a editor (notepad) and insert below code after <?php in a new line phpinfo(); This will tell you the php.ini location

4. You can also talk to php in interactive mode. Just type php -a in the terminal and type phpinfo(); after php initiated.

Try one of these solutions

1. In your terminal, type find / -name "php.ini"

2. In your terminal, type php -i | grep php.ini. It should show the file path as "Configuration File (php.ini) Path => /etc"

3. If you can access one of your PHP files, open it in a editor (Notepad) and insert phpinfo(); after <?php on a new line. This will tell you the php.ini location.

4. You can also talk to PHP in interactive mode. Just type php -a in the terminal and type phpinfo(); after the PHP interpreter initiated.