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PHP Academy · Lesson

Constructors and Destructors

Initialize objects with __construct and clean up with __destruct.

Introduction: Constructors and Destructors

The __construct() method runs automatically when a new object is created. The __destruct() method runs when the object is garbage collected. PHP 8 introduced constructor property promotion.

Core Concepts

Constructors and Destructors key concepts:

  • __construct() initializes the object
  • Constructor property promotion shortens code
  • __destruct() for cleanup (file handles, connections)
  • Parent constructor called with parent::__construct()

All lessons in this course

  1. Classes, Properties, and Methods
  2. Constructors and Destructors
  3. Static Properties and Methods
  4. Magic Methods Overview
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