Usage: php-fpm8.0 [-n] [-e] [-h] [-i] [-m] [-v] [-t] [-p ] [-g ] [-c ] [-d foo[=bar]] [-y ] [-D] [-F [-O]] -c | Look for php.ini file in this directory -n No php.ini file will be used -d foo[=bar] Define INI entry foo with value 'bar' -e Generate extended information for debugger/profiler -h This help -i PHP information -m Show compiled in modules -v Version number -p, --prefix Specify alternative prefix path to FastCGI process manager (default: /usr). -g, --pid Specify the PID file location. -y, --fpm-config Specify alternative path to FastCGI process manager config file. -t, --test Test FPM configuration and exit -D, --daemonize force to run in background, and ignore daemonize option from config file -F, --nodaemonize force to stay in foreground, and ignore daemonize option from config file -O, --force-stderr force output to stderr in nodaemonize even if stderr is not a TTY -R, --allow-to-run-as-root Allow pool to run as root (disabled by default)