PHP Conference Nagoya 2025

Ds\Vector::unshift

(PECL ds >= 1.0.0)

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

Description

public Ds\Vector::unshift(mixed $values = ?): void

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

Parameters

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.

Return Values

No value is returned.

Examples

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

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

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

print_r($vector);
?>

The above example will output something similar to:

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

User Contributed Notes

There are no user contributed notes for this page.
To Top