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.

Parameters Parameters


(mixed) (Required) The value to check.

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Return Return

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

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Source Source

File: wp-includes/compat.php

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

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Changelog Changelog

Version Description
4.9.6 Introduced.

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