How to tell composer where php.ini file is located?

Question

PHP

Composer only accepts php.ini in the php folder itself. But my config files are in a different folder. Do I really need to duplicate in the php folder - php.ini.
p.s. I googled it but couldn't find it.
ps thank you very much :)

Answer 1

php --help
php -c /path/to/php.ini composer.phar ...