PHP | interface_exists() Function

PHP interface_exists() 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 interface_exists() Function.

The PHP interface_exists() Function checks if the given interface has been defined.

Syntax

Following below is the syntax to use this function -

interface_exists ( $interface_name [, $autoload] );


Parameter Details

Sr.NoParameter & Description
1

interface_name(Required)

The interface name

2

autoload(Optional)

Wether to call __autoload or not by default.


Return Value

This built-in PHP function returns TRUE if the interface given by the interface_name has been defined, FALSE otherwise.

Example

Try out the below example -

<?php
   if (interface_exists('SomeInterface')) {
      class MyClass implements SomeInterface {
         // Methods
      }
   }
?> 


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_a() Function.

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