Ds\Pair::copy

(No version information available, might only be in Git)

Ds\Pair::copy — Returns a shallow copy of the pair

说明

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

范例

Example #1 Ds\Pair::copy() example

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

$a->key = "x";

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

以上例程的输出类似于：

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