Where is my php.ini?
A new and easy trick to find your php.ini would be to ask php itself what it's using, eg:
/usr/local/bin/php --ini | grep 'Loaded Configuration File'
which does assume that the php output will be in English.
Usually your php.ini will be located at (XX - PHP version, for example 73):
CustomBuild 2.0 installs will also uses the php.conf.d directory to load miscellaneous .ini files into php. The files that CustomBuild will create are:
You can add your own files there if you need to add settings or load modules into php, for example: