class_implements

FunctionParams and return types changed in PHP 8.0

Return the interfaces which are implemented by the given class or interface.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

class_implements Function synopsis

class_implements($object_or_class, bool $autoload = true): array|false

Parameters

$object_or_class

An object (class instance) or a string (class or interface name).

$autoload

OptionalTypeboolDefault valuetrue

Whether to autoload if not already loaded.

Return value

Typearray|false

An array on success, or false when the given class doesn't exist.

Changes to the class_implements Function

PHP 8.0

  • Return type added: array|false
  • Parameter name of parameter #1 changed: $what to $object_or_class
  • Parameter type added for parameter #2 ($autoload): bool
  • Parameter default value added for position #2 ($autoload): true
- class_implements($what, $autoload)
+ class_implements($object_or_class, bool $autoload = true): array|false

class_implements Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes