PHP 手冊
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# get_declared_interfaces

(PHP 5)

get_declared_interfaces -- Returns an array of all declared interfaces

## Description

array get_declared_interfaces ( void )

This function returns an array of the names of the declared interfaces in the current script.

範例 1. get_declared_interfaces() example

`<?php print_r(get_declared_interfaces()); ?>`

The above example will output something similar to:

    Array
    (
        [0] => Traversable
        [1] => IteratorAggregate
        [2] => Iterator
        [3] => ArrayAccess
        [4] => reflector
        [5] => RecursiveIterator
        [6] => SeekableIterator
    )

See also get_declared_classes().

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