PHP | is_a() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP is_a() Function.

The built-in PHP is_a() Function checks if the given object is of this class or has this class as one of its parents.

Syntax

Following below is the syntax to use this function -

is_a ( $object, $class_name )

READ: PHP | interface_exists() Function

Parameter Details

Sr.No	Parameter & Description
1	object(Required) The tested object
2	class(Required) The class name.

Return Value

It returns TRUE if the object is of this class or has this class as one of its parents, else it returns FALSE.

Example

Try out the below example -

<?php
   if ($wid_fact instanceof WidgetFactory) {
      echo 'Yes, $wid_fact is a WidgetFactory';
   }
?> 

Output

When the above code is executed, it will produce the following result -

Yes, $WF is a WidgetFactory

READ: PHP | get_object_vars() Function

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP is_subclass_of() Function.

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