What must be installed if you want to run php program?
If you want to run a PHP program, you must install a web server, PHP interpreter, database, PHP extension module, and application framework. 1. The Web server is a software program used to process HTTP requests; 2. The PHP interpreter is software used to read and interpret PHP code; 3. If the PHP program needs to interact with the database, it needs to install the corresponding database; 4. PHP extension modules provide more functions and features for PHP; 5. The application framework is a software construction tool used to simplify the development process.
The operating environment of this tutorial is: windows10 system, php8.1.3 version, DELL G3 computer.
To run a PHP program, you first need to install a PHP interpreter or PHP engine on your computer. PHP is a server-side programming language commonly used to develop dynamic websites and web applications.
The process of installing PHP will vary depending on the operating system. The following will introduce step by step how to install PHP on different operating systems.
If you want to run a PHP program, you must first install the following components:
1. Web server: The Web server is a software program used to process HTTP requests. Its main function is to forward the request to the corresponding PHP file and return the PHP file output result to the client browser. Common web servers include Apache, Nginx, etc.
2. PHP interpreter: PHP interpreter is software used to read and interpret PHP code. The execution process of PHP code is realized through the PHP interpreter. The PHP interpreter generally exists in the form of a dynamic link library and is embedded in the web server. You can also use an independent PHP interpreter.
3. Database: If your PHP program needs to interact with the database, you need to install the corresponding database. Common open source database software includes MySQL, PostgreSQL, SQLite, etc.
4. PHP extension module: PHP extension module provides more functions and features for PHP. For example, if you need to use the GD library to create images, you need to install the GD module; if you need to use encryption functions, you need to install the OpenSSL module.
5. Application framework: An application framework is a software building tool used to simplify the development process. Common PHP frameworks include Laravel, Symfony, CodeIgniter, etc.
The components installed on different systems are as follows:
1. Windows operating system:
- Download the PHP interpreter: Visit PHP's official website and select the PHP installer for Windows on the download page. Depending on your computer architecture (32-bit or 64-bit), select the appropriate installer.
- Run the installer: Double-click the downloaded installer and follow the instructions to install. You can choose the default installation directory or manually select a different directory.
- Configure environment variables: Add the PHP installation directory to the system environment variables so that PHP commands can be used on the command line. Open the "Control Panel", find the "System" settings, click "Advanced System Settings", click the "Environment Variables" button in the "Advanced" tab, then find the variable named "Path" in "System Variables", double-click And add the PHP installation directory to the variable value.
- Test PHP installation: Open the command prompt and enter the command "php -v" or "php --version" to check whether PHP is installed successfully. If the version number of PHP can be displayed on the command line, it means the installation is successful.
2. macOS operating system:
- Install Homebrew (optional): Open a terminal and run the following command to install Homebrew:
/bin/bash-c"$(curl-fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
- Install PHP: Run the following command to install PHP:
- If Homebrew is installed, you can run Command "brew install php" to install PHP.
- If Homebrew is not installed, you can go to the PHP official website to download the PHP installer for macOS, and then follow the instructions to install it.
- Configuration Environment variables (optional): Open a terminal and run the following command to edit the environment variable configuration file:
nano ~/.bash_profile
Add the following lines at the end of the file:
exportPATH="/usr/local/bin:$PATH"
Save and exit the file, then run the following command to make the configuration take effect:
source~/.bash_profile
- Test PHP installation: Enter the command "php -v" or "php --version" in the terminal to check whether PHP is installed successfully .
3. Linux operating system:
- Open the terminal and run the following command to install PHP:
- Ubuntu/Debian system: Run command
“sudoaptinstallphp”
- CentOS/Fedora system: Run the command
“sudodnfinstallphp”
or
“sudoyuminstallphp”
- Other Linux distributions can use the corresponding package manager to install PHP.
- Test PHP installation: Enter the command "php -v" or "php --version" in the terminal to check whether PHP is installed successfully.
After the installation is successful, you can run the PHP program on your computer. You can use a text editor to write PHP code, save it as a file with the ".php" suffix, and then execute these files using the command line or on the web server.
The above is the detailed content of What must be installed if you want to run php program?. For more information, please follow other related articles on the PHP Chinese website!

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