is_iterable()

最后更新于：2021-11-27 08:47:22

Polyfill for is_iterable() function added in PHP 7.1.

参数

$var

(mixed) (Required) The value to check.

响应

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

源文件

文件: gc-includes/compat.php

	function is_iterable( $var ) {
		return ( is_array( $var ) || $var instanceof Traversable );
	}