PHP Destructor: Clean Up Resources in OOP with Examples

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PHP OOP - Destructor

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A destructor is a special method in a class that is automatically called when an object is destroyed or goes out of scope.

In PHP, destructors are defined using the __destruct() method.

Syntax of a Destructor

class ClassName {
  public function __destruct() {
    // Code to be executed when the object is destroyed
  }
}

The example below has a __construct() function that is automatically called when you create an object from a class, and a __destruct() function that is automatically called at the end of the script:

<?php

class Car {

public $brand;

public $color;

function __construct($brand) {

$this->brand = $brand;

}

function __destruct() {

echo "The car brand is {$this->brand}.";

}

$car = new Car("Honda");

Try it yourself

Another example:

Example

<?php

class Car {

public $brand;

public $color;

function __construct($brand, $color) {

$this->brand = $brand;

$this->color = $color;

}

function __destruct() {

echo "The car brand is {$this->brand} and the color is {$this->color}.";

}

$car = new Car("Honda", "Blue");

Try it yourself

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