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PHP - Manual: Ds\Collection::clear - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: Ds\Collection::clear

2025-06-02

Ds\Collection::clear

(PECL ds >= 1.0.0)

Ds\Collection::clearRemoves all values

说明

public Ds\Collection::clear(): void

Removes all values from the collection.

参数

此函数没有参数。

返回值

没有返回值。

示例

示例 #1 Ds\Collection::clear() example

<?php
$collection
= new \Ds\Vector([1, 2, 3]);
print_r($collection);

$collection->clear();
print_r($collection);
?>

以上示例的输出类似于:

Ds\Vector Object
(
    [0] => 1
    [1] => 2
    [2] => 3
)
Ds\Vector Object
(
)
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官方地址:https://www.php.net/manual/en/ds-collection.clear.php

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