Can you recommend a reliable tutorial for learning OOP and PHP classes?

Learning Object-Oriented Programming (OOP) and PHP classes can be challenging for beginners. One reliable tutorial that is highly recommended is the official PHP documentation on classes and objects. This tutorial covers the basics of OOP concepts such as classes, objects, inheritance, and encapsulation, and provides clear examples to help you understand the principles of OOP in PHP.

<?php
// Define a simple class
class Car {
    // Properties
    public $make;
    public $model;
    
    // Constructor
    public function __construct($make, $model) {
        $this->make = $make;
        $this->model = $model;
    }
    
    // Method to display car information
    public function displayInfo() {
        echo "Car make: " . $this->make . ", Model: " . $this->model;
    }
}

// Create an instance of the Car class
$myCar = new Car("Toyota", "Corolla");

// Call the displayInfo method
$myCar->displayInfo();
?>