Install PHP and Run Your First Script

Let’s set up PHP so you can run code on your own machine. ## Step 1: Install PHP ### On Windows Download from php.net and add PHP to PATH. ### On macOS (Homebrew) ```bash brew install php ``` ### On Linux ```bash sudo apt install php ``` ## Step 2: Check installation ```bash php -v ``` You should see the PHP version. ## Step 3: Create your first file Create a file: `index.php` ```php <?php echo "My first PHP app!"; ?> ``` ## Step 4: Run it From terminal: ```bash php index.php ``` Or using built-in server: ```bash php -S localhost:8000 ``` Then open: `http://localhost:8000` > Next: PHP syntax basics and how PHP mixes with HTML.