(PHP 5 >= 5.0.2, PHP 7, PHP 8)
interface_exists — Checks if the interface has been defined
$interface
, bool $autoload
= true
): boolChecks if the given interface has been defined.
Returns true
if the interface given by
interface
has been defined, false
otherwise.
Example #1 interface_exists() example
<?php// Check the interface exists before trying to use itif (interface_exists('MyInterface')) { class MyClass implements MyInterface { // Methods }}?>