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<get_declared_classesget_declared_traits>
^Classes/Object FunctionsLast updated: Mon, 26 Oct 2026

get_declared_interfaces

(PHP 5, PHP 7, PHP 8)

get_declared_interfaces — Returns an array of all declared interfaces

Description

function get_declared_interfaces(): array

Gets the declared interfaces.

Parameters

This function has no parameters.

Return Values

Returns an array of the names of the declared interfaces in the current script.

Examples

Example #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_classesget_declared_traits>
^Classes/Object FunctionsLast updated: Mon, 26 Oct 2026