A Complete Introduction to PHP by Mark Shust

• Install PHP with Homebrew
• Install a PHP IDE editor
• Start the built-in PHP web server
• Create a “Hello world!” PHP script
• Closing tags, semicolons & line breaks in PHP
• Alternate method of calling PHP language constructs
• Write short echo tags in PHP
• Create & name variables in PHP
• PHP data type assignments
• Type casting in PHP
• Type juggling (coercion) in PHP
• Concatenating strings in PHP
• String interpolation & escaping in PHP
• Create a constant in PHP to store a fixed value
• Create a Boolean variable in PHP
• Conditionally execute PHP code with an if statement
• Write multiple conditions to execute alternate PHP code
• Alternate PHP if statement syntax for view files
• Refactor a PHP if else statement into a ternary
• Use a PHP switch statement for advanced conditional logic
• Use a match statement for advanced PHP data checks
• Create a list using a PHP array
• Display the contents of an array with a foreach loop
• Use an array key to determine current iteration
• Create a key/value store within a PHP array
• Create a nested or multi-dimensional array in PHP
• Get the count of a PHP array
• Display the contents of an array with a for loop
• Continue or break out of a PHP loop
• Purpose of a function in PHP
• Create a function in PHP
• Function & global scope in PHP
• Calling functions with return values in PHP
• Passing arguments to PHP functions
• Defining function return & argument types in PHP
• Type coercion & strict data types in PHP
• Including or requiring files in PHP
• Create & instantiate a class in PHP
• Run code on PHP class creation with a constructor
• Create class properties in previous versions of PHP
• Create promoted properties in PHP 8 classes
• Retrieve public class properties with PHP’s arrow syntax
• Understanding scope in PHP classes
• Refactoring functions into PHP classes
• Defining & using PHP namespaces
• Replace PHP require statements with the Composer class autoloader