which  mysql

/usr/bin/mysql

/usr/bin/mysql --help | grep -A1 'Default options'

which php

/usr/local/apache2/php/bin/php

/usr/local/apache2/php/bin/php -i | grep "Loaded Configuration File"

ps -ef | grep 'http'

/usr/local/apache2/bin/httpd -V | grep 'SERVER_CONFIG_FILE'

ps -ef | grep 'nginx'

ps -ef | grep 'php-fpm'