How can the isset() function be used to check if a class or object is initialized in PHP?

When working with classes or objects in PHP, we can use the isset() function to check if a class or object is initialized. This can be useful to avoid errors when trying to access properties or methods of an uninitialized object. By using isset() with the object variable, we can determine if the object has been instantiated before attempting to interact with it.

class MyClass {
    public $property;

    public function __construct() {
        $this->property = "initialized";
    }
}

$myObject = new MyClass();

// Check if object is initialized
if(isset($myObject)) {
    echo "Object is initialized!";
} else {
    echo "Object is not initialized!";
}