Key Concepts

Review core concepts you need to learn to master this subject

Applications of PHP

Dynamic Webpages using PHP

Embedding PHP Code

PHP Comments

Terminating a PHP Statement

PHP Keyword Case-Insensitivity

PHP Script Execution

PHP echo Keyword

Applications of PHP

PHP is a server scripting language used for making dynamic web pages. That means PHP allows you to use scripts on a web server to produce a response customized for each client’s (user’s) request.

PHP is the foundation of:

  • Many CMS (WordPress, Drupal, Joomla)
  • E-Commerce Platforms (WooCommerce, Magento)
  • Web Development Frameworks (Laravel, CakePHP, Symfony)
Introduction to PHP
Lesson 1 of 1
  1. 1
    History of PHP
    PHP was created in 1994 and is one of the foundational technologies of modern web development. Given all the new technologies used today, is there still a place for PHP? PHP remains one of the wid…
    Start
  2. 2
    How is PHP used in HTML?
    PHP is often used to build dynamic web pages. A dynamic web page is one where each visitor to the website gets a customized page that can look different than how the site looks to another visit…
    Start
  3. 3
    How is PHP Executed?
    In the previous exercise, we explored how PHP can be sent from the back-end to the front-end where it is received as HTML to be displayed by a browser. PHP is flexible and can also be executed fro…
    Start
  4. 4
    PHP Comments
    Sometimes, we want to include text in our files that we don’t want the computer to execute or display to the end user. We can do this with comments. Comments can be used to annotate our code to m…
    Start
  5. 5
    Todo: Learn PHP
    Before moving on, let’s take a quick look at a working PHP application. We’re going to show you an example of PHP being used on the back-end to create a dynamic website sent to the browser. When …
    Start
  6. 6
    Review
    In the next lesson, you’ll start creating your own PHP code. Take a second and review what you already know about PHP: - Despite its age, PHP is still a commonly used technology in web development….
    Start

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