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Ds\Deque::unshift

(PECL ds >= 1.0.0)

Ds\Deque::unshift — Adds values to the front of the deque.

Description

代码语言:javascript
复制
public void Ds\Deque::unshift ([ mixed $values ] )

Adds values to the front of the deque, moving all the current values forward to make room for the new values.

Parameters

values

The values to add to the front of the deque.

Note: Multiple values will be added in the same order that they are passed.

Return Values

No value is returned.

Examples

Example #1 Ds\Deque::unshift() example

代码语言:javascript
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<?php
$deque?=?new?\Ds\Deque([1,?2,?3]);

$deque->unshift("a");
$deque->unshift("b",?"c");

print_r($deque);
?>

The above example will output something similar to:

代码语言:javascript
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Ds\Deque Object
(
    [0] => b
    [1] => c
    [2] => a
    [3] => 1
    [4] => 2
    [5] => 3
)

← Ds\Deque::toArray

Map →

代码语言:txt
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 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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