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Summery Summery
Polyfill for is_iterable() function added in PHP 7.1.
Syntax Syntax
Description Description
Verify that the content of a variable is an array or an object implementing the Traversable interface.
Parameters Parameters
- $var
-
(Required) The value to check.
Return Return
(bool) True if $var is iterable, false otherwise.
Source Source
File: wp-includes/compat.php
// WebP constants are only defined in PHP 7.1+.
if ( ! defined( 'IMAGETYPE_WEBP' ) ) {
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Changelog Changelog
| Version | Description |
|---|---|
| 4.9.6 | Introduced. |