What resources or tutorials are recommended for individuals looking to enhance their understanding of object-oriented programming in PHP?

Individuals looking to enhance their understanding of object-oriented programming in PHP can benefit from resources such as online tutorials, books, and courses. Websites like Codecademy, Udemy, and PHP.net offer comprehensive tutorials on object-oriented programming in PHP. Additionally, books like "PHP Objects, Patterns, and Practice" by Matt Zandstra are highly recommended for a deeper understanding of the topic.

class Person {
  public $name;
  public $age;
  
  public function __construct($name, $age) {
    $this->name = $name;
    $this->age = $age;
  }
  
  public function greet() {
    return "Hello, my name is " . $this->name . " and I am " . $this->age . " years old.";
  }
}

$person1 = new Person("John", 30);
echo $person1->greet();