class_implements
(PHP 5, PHP 7, PHP 8)
class_implements — Return the interfaces which are implemented by the given class or interface
Description
class_implements(object|string $object_or_class, bool $autoload = true): array|false
This function returns an array with the names of the interfaces that the given object_or_class
and its parents implement.
Parameters
-
object_or_class
-
An object (class instance) or a string (class or interface name).
-
autoload
-
Whether to call __autoload by default.
Return Values
An array on success, or false
when the given class doesn't exist.
Examples
Example #1 class_implements() example
<?php interface foo { } class bar implements foo {} print_r(class_implements(new bar)); // you may also specify the parameter as a string print_r(class_implements('bar')); spl_autoload_register(); // use autoloading to load the 'not_loaded' class print_r(class_implements('not_loaded', true)); ?>
The above example will output something similar to:
Array ( [foo] => foo ) Array ( [foo] => foo ) Array ( [interface_of_not_loaded] => interface_of_not_loaded )
See Also
- class_parents() - Return the parent classes of the given class
- get_declared_interfaces() - Returns an array of all declared interfaces
© 1997–2021 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.class-implements.php