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Ds\Vector::unshift

(PECL ds >= 1.0.0)

Ds\Vector::unshiftAdds values to the front of the vector

说明

public void Ds\Vector::unshift ([ mixed $values ] )

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

参数

values

The values to add to the front of the vector.

Note:

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

返回值

没有返回值。

范例

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

<?php
$vector 
= new \Ds\Vector([123]);

$vector->unshift("a");
$vector->unshift("b""c");

print_r($vector);
?>

以上例程的输出类似于:

Ds\Vector Object
(
    [0] => b
    [1] => c
    [2] => a
    [3] => 1
    [4] => 2
    [5] => 3
)
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