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
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