is_countable( mixed $var )

Polyfill for is_countable() function added in PHP 7.3.


Description Description

Verify that the content of a variable is an array or an object implementing the Countable interface.


Top ↑

Parameters Parameters

$var

(mixed) (Required) The value to check.


Top ↑

Return Return

(bool) True if $var is countable, false otherwise.


Top ↑

Source Source

File: wp-includes/compat.php

	function is_countable( $var ) {
		return ( is_array( $var )
			|| $var instanceof Countable
			|| $var instanceof SimpleXMLElement
			|| $var instanceof ResourceBundle
		);
	}


Top ↑

Changelog Changelog

Changelog
Version Description
4.9.6 Introduced.

Top ↑

User Contributed Notes User Contributed Notes

You must log in before being able to contribute a note or feedback.