is_a

PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8
is_a - Checks if the object is of this class or has this class as one of its parents
Manual
Code Examples

Example #1 is_a example

<?php
// define a class
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PHP Version:

Example #2 Using the instanceof operator

<?php
if ($WF instanceof WidgetFactory) {
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PHP Version:


Function is_a:

Class/Object Information Functions

Most used PHP functions