Using Abstract Classes Correctly with PHP Code Examples in 2023
What is an Abstract Class in PHP An abstract class in PHP is a class with at least one not implemented method. You cannot use an abstract class directly but must extend it with a child class. The child classes are supposed to provide an implementation for these abstract methods. Using an Abstract Class in PHP Create an abstract class in PHP by adding the modifier "abstract" before noting the access level. Do the same thing for any methods you want to require child classes to implement. You can see the below for an example. Abstract Class Code Example <?php abstract public class Bird { abstract public function fly() {} public function walk() { // do something concrete here } public class Flamingo extends Bird { public function fly() { // do something here } } But why and what is the purpose of all this? That’s precisely why we…
