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Ds\Pair::copy

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Ds\Pair::copyReturns a shallow copy of the pair

说明

public Ds\Pair::copy(): Ds\Pair

Returns a shallow copy of the pair.

参数

此函数没有参数。

返回值

Returns a shallow copy of the pair.

示例

示例 #1 Ds\Pair::copy() example

<?php
$a
= new \Ds\Pair("a", 1);
$b = $a->copy();

$a->key = "x";

print_r($a);
print_r($b);
?>

以上示例的输出类似于:

Ds\Pair Object
(
    [key] => x
    [value] => 1
)
Ds\Pair Object
(
    [key] => a
    [value] => 1
)
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