Do I need to restart to modify php?

After modifying php, you need to restart it. The method is: 1. Open the terminal command window; 2. Check the master process number of php-fpm; 3. Restart php-fpm.

The operating environment of this article: linux5.9.8 system, PHP7.1, Dell G3 computer.

Does modification of php require a restart? What needs to be restarted to modify php.ini?

Requires a restart.

Generally whoever uses it will have no problem restarting it

Note: You must first know in what mode PHP is running.
is an independent executable program, or it can be embedded into a server program in the form of a module to run.
If it is nginx, it is usually in the form of an independent process, while apache is in the form of a module.
So nginx restarts the php process php-fpm, and apache restarts the apache service.

After modifying php.ini on the nginx server, you need to restart php-fpm for it to take effect

First check the master process number of php-fpm ---master

ps aux|grep php-fpm
root 42891 0.0 0.1 182796 1220 ? Ss 4月18 0:19 php-fpm: master process (/usr/local/php/etc/php-fpm.conf)

Restart php-fpm:

kill -USR2  主进程ID        ------------master 进程id

Related operations

./nginx -t Verify whether the nginx configuration file is correct

nginx - s reload Reload the configuration file after modifying the nginx configuration

Start php-fpm:

/usr/local/php/sbin/php-fpm

Recommended learning: "PHP Video Tutorial"

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