What is PHP?
PHP (Hypertext Preprocessor) is a widely-used open-source server-side scripting language designed for web development. It can be embedded directly into HTML.
Key Features
- Server-side execution — Code runs on the server, generating HTML sent to the client
- Database integration — Built-in support for MySQL, PostgreSQL, SQLite, and more
- Cross-platform — Runs on Windows, Linux, macOS
- Large ecosystem — Extensive frameworks (Laravel, Symfony) and CMS (WordPress, Drupal)
What Can PHP Do?
- Generate dynamic page content
- Collect and process form data
- Manage files and sessions on the server
- Send and receive cookies
- Interact with databases
- Restrict access to protected pages