如何在操作系統（Windows，MacOS，Linux）上安裝PHP？

安裝PHP的方法因操作系統而異，以下是具體步驟：1. Windows用戶可使用XAMPP一鍵安裝包或手動配置，下載XAMPP並安裝，選擇PHP組件或將PHP加入環境變量；2. macOS用戶可通過Homebrew安裝PHP，運行相應命令安裝並配置Apache服務器；3. Linux用戶（Ubuntu/Debian）可使用APT包管理器更新源後安裝PHP及常用擴展，並通過創建測試文件驗證安裝是否成功。

Installing PHP on your system isn't as tricky as it might sound, especially once you know the right steps for your operating system. Whether you're using Windows, macOS, or Linux, there's a straightforward way to get PHP up and running.

Install PHP on Windows: Using XAMPP or Manual Setup

The easiest way to run PHP on Windows is by installing XAMPP , which bundles PHP, Apache, MySQL, and other tools together.

• Download XAMPP from //m.sbmmt.com/link/a39911c27bc4f0f6bb476b41c29f4a72
• Run the installer and choose the components you need (make sure PHP is checked)
• After installation, start Apache from the XAMPP control panel
• Place your PHP files in the htdocs folder inside the XAMPP directory

If you prefer a manual install:

• Download the latest PHP version from //m.sbmmt.com/link/750ed96f0d56d3346cda66d24bc0cbd5
• Extract the ZIP file and place it in a folder like C:\php
• Edit the php.ini file to configure settings like extensions
• Add PHP to your system PATH so you can use it from the command line

Install PHP on macOS: Built-in PHP or with Homebrew

macOS used to come with PHP pre-installed, but that's no longer guaranteed depending on your macOS version.

To check if PHP is already installed:

 php -v

If not, the best option is to use Homebrew :

• Install Homebrew if you haven't already: /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
• Then install PHP with:

   brew install php

This method installs PHP along with commonly used extensions. You can switch between versions if needed using brew link --force .

You'll also want to set up a local server like Apache or Nginx to serve your PHP files. Apache comes built-in with macOS, so you can enable it with:

 sudo apachectl start

Install PHP on Linux (Ubuntu/Debian): Using APT Package Manager

Most Linux distributions, especially Debian-based ones like Ubuntu, make it easy to install PHP via the terminal.

Start by updating your package list:

 sudo apt update

Then install PHP with:

 sudo apt install php

If you're building a web app, you probably want to install common extensions too:

• php-cli for command-line use
• php-mysql to connect to MySQL databases
• php-curl , php-gd , etc., for various features

After installing, test it by creating a basic PHP file:

 echo "<?php phpinfo();" > /var/www/html/info.php

Then open your browser and go to http://localhost/info.php . If you see a PHP info page, you're good to go.

Depending on what you're trying to do—like developing a WordPress site or working on a Laravel project—you may need additional setup, but getting PHP itself installed is usually pretty quick.

基本上就這些。

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