PHP is a popular server-side scripting language that is used to develop large-scale web applications. Like all other software, PHP programs need to be uninstalled under certain circumstances. This article will introduce how to uninstall PHP programs.
Step 1: Back up your data
Be sure to back up your data before starting to uninstall PHP. After the program is uninstalled, the database, configuration files and other data related to PHP will be deleted. If you don't want to lose these data, it is recommended that you back them up first.
Step 2: Stop the PHP service
Before uninstalling PHP, you must stop the PHP service. If you are using Apache server, you can use the following command to stop the PHP service:
sudo service apache2 stop
If you are using Nginx server, you can use the following command:
sudo service nginx stop
Step 3: Delete PHP
To delete PHP, you can use the following command:
sudo apt-get remove php
This All components and dependencies of PHP will be uninstalled. If you want to keep certain dependencies, you can use the following command:
sudo apt-get remove php-XXX
where XXX is the name of the PHP component you want to remove.
Step 4: Delete the PHP configuration file
When uninstalling PHP, the program's configuration file is usually not deleted. You need to delete PHP configuration files manually. You can use the following command to delete PHP's default configuration file:
sudo rm /etc/php/XXX/*
where XXX is the name of the PHP component you have deleted. If you installed custom configuration files, you must delete these files manually.
Step 5: Delete PHP-related software packages
After uninstalling PHP, the software packages related to it may still exist. These packages can be removed using the following command:
sudo apt-get autoremove
This will remove packages and dependencies that are no longer needed.
Step 6: Clear the cache
Finally, you can use the following command to clear the cache:
sudo apt-get clean
This will clear the apt cache and Downloaded packages.
Summary:
Uninstalling PHP may have an impact on your web application. Before uninstalling PHP, be sure to back up your data and make sure to stop the PHP service. Uninstalling PHP requires executing several commands and manually removing configuration files and related packages. If you decide to reinstall PHP, make sure to back up all data and follow the installation instructions.
The above is the detailed content of How to uninstall the php program after installation. For more information, please follow other related articles on the PHP Chinese website!

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