欧美AV无码一区二区,麻豆+无码+国产在线+观看,欧美狂躁少妇XXXX高潮无码,美女扒开屁股让男人桶免费观看,极品粉嫩国产18尤物在线播放

is_iterable

(PHP 7 >= 7.1.0, PHP 8)

is_iterable Verify that the contents of a variable is an iterable value

說(shuō)明

is_iterable(mixed $value): bool

Verify that the contents of a variable is accepted by the iterable pseudo-type, i.e. that it is either an array or an object implementing Traversable

參數

value

The value to check

返回值

Returns true if value is iterable, false otherwise.

范例

示例 #1 is_iterable() examples

<?php

var_dump
(is_iterable([123]));  // bool(true)
var_dump(is_iterable(new ArrayIterator([123])));  // bool(true)
var_dump(is_iterable((function () { yield 1; })()));  // bool(true)
var_dump(is_iterable(1));  // bool(false)
var_dump(is_iterable(new stdClass()));  // bool(false)

?>

參見(jiàn)

欧美AV无码一区二区,麻豆+无码+国产在线+观看,欧美狂躁少妇XXXX高潮无码,美女扒开屁股让男人桶免费观看,极品粉嫩国产18尤物在线播放