A Complete Introduction to PHP

Before you can get started with PHP, you will need to install it, set up an IDE, and get your server running.

• 1

  
  Install PHP with Homebrew

  4m 25s
• 2

  
  Install a PHP IDE editor

  1m 58s
• 3

  
  Start the built-in PHP web server

  2m 36s

Tags are a fundamental syntax in PHP. In this module you'll learn how to open and close them, the importance of ending your statements with a semicolon, and even a short-hand for the commonly used "echo" tag.

• 1

  
  Create a “Hello world!” PHP script

  2m 1s
• 2

  
  Closing tags, semicolons & line breaks in PHP

  2m 58s
• 3

  
  Alternate method of calling PHP language constructs

  1m 8s
• 4

  
  Write short echo tags in PHP

  1m 53s

Here, you will be learning how to create variables and constants, as well as learning the basics of PHP's type system. Like JavaScript, PHP features type coercion, which can be frustrating for new-to-PHP developers. But, we will exploring this so you can learn how to avoid some common mistakes

• 1

  
  Create & name variables in PHP

  2m 25s
• 2

  
  PHP data type assignments

  3m 27s
• 3

  
  Type casting in PHP

  2m 5s
• 4

  
  Type juggling (coercion) in PHP

  2m 48s
• 5

  
  Concatenating strings in PHP

  3m 8s
• 6

  
  String interpolation & escaping in PHP

  1m 38s
• 7

  
  Create a constant in PHP to store a fixed value

  4m 40s
• 8

  
  Create a Boolean variable in PHP

  3m 28s

In this module, you will learn how to use conditionals to control the flow of your code. We will be covering a couple of ways to use if/else, switch statements, and PHP's match statement

• 1

  
  Conditionally execute PHP code with an if statement

  1m 48s
• 2

  
  Write multiple conditions to execute alternate PHP code

  3m 24s
• 3

  
  Alternate PHP if statement syntax for view files

  3m 36s
• 4

  
  Refactor a PHP if else statement into a ternary

  3m 33s
• 5

  
  Use a PHP switch statement for advanced conditional logic

  4m 12s
• 6

  
  Use a match statement for advanced PHP data checks

  3m 7s

In this module, we will be exploring PHP's control flow even further with loops. We will also be exploring array features and iteration.

• 1

  
  Create a list using a PHP array

  1m 11s
• 2

  
  Display the contents of an array with a foreach loop

  1m 56s
• 3

  
  Use an array key to determine current iteration

  1m 26s
• 4

  
  Create a key/value store within a PHP array

  2m 19s
• 5

  
  Create a nested or multi-dimensional array in PHP

  2m 34s
• 6

  
  Get the count of a PHP array

  2m 32s
• 7

  
  Display the contents of an array with a for loop

  3m 38s
• 8

  
  Continue or break out of a PHP loop

  2m 18s

Grouping your code into functions is a great way to keep your code organized and reusable. In this module, you will learn how to create and use functions, how the type system applies here, how scope works, and how to use functions in other files with include/require

• 1

  
  Purpose of a function in PHP

  1m 34s
• 2

  
  Create a function in PHP

  1m 52s
• 3

  
  Function & global scope in PHP

  1m 53s
• 4

  
  Calling functions with return values in PHP

  3m 33s
• 5

  
  Passing arguments to PHP functions

  2m 28s
• 6

  
  Defining function return & argument types in PHP

  2m 19s
• 7

  
  Type coercion & strict data types in PHP

  4m 26s
• 8

  
  Including or requiring files in PHP

  4m 18s

Classes are the core of object-oriented programming in PHP. In this module, you will learn how to create classes, refactor functions into classes, and even replace all of your require statements with the Composer class autoloader.

• 1

  
  Create & instantiate a class in PHP

  2m 13s
• 2

  
  Run code on PHP class creation with a constructor

  2m 23s
• 3

  
  Create class properties in previous versions of PHP

  2m 47s
• 4

  
  Create promoted properties in PHP 8 classes

  2m 12s
• 5

  
  Retrieve public class properties with PHP’s arrow syntax

  1m 43s
• 6

  
  Understanding scope in PHP classes

  4m 1s
• 7

  
  Refactoring functions into PHP classes

  3m 18s
• 8

  
  Defining & using PHP namespaces

  4m 19s
• 9

  
  Replace PHP require statements with the Composer class autoloader

  4m 13s