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# class_implements

(PHP 5)

class_implements -- Return the interfaces which are implemented by the given class

## Descrição

array class_implements ( mixed class [, bool autoload] )

This function returns an array with the names of the interfaces that the given `class` and its parents implement.

## Parâmetros

`class`

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

`autoload`

  Whether to allow this function to load the class automatically through the __autoload magic method. Defaults to `TRUE`.

## Valores de retornado

Returns an array or `FALSE` on error.

## Histórico

Versão | Descrição
--- | ---
5.1.0 | Added the option to pass the `class` parameter as a string. Added the `autoload` parameter.

## Exemplos

Exemplo 1. class_implements() example
`<?php interface foo { } class bar implements foo {} print_r(class_implements(new bar)); // since PHP 5.1.0 you may also specify the parameter as a string print_r(class_implements('bar')); function __autoload($class_name) { require_once $class_name . '.php'; } // use __autoload to load the 'not_loaded' class print_r(class_implements('not_loaded', true)); ?>`
O exemplo acima irá imprimir algo similar a:
    Array
    (
        [foo] => foo
    )

    Array
    (
        [interface_of_not_loaded] => interface_of_not_loaded
    )

## Veja também

class_parents()

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SimpleXMLIterator::valid | Acima | class_parents