Ds\Deque::unshift
(PECL ds >= 1.0.0)
Ds\Deque::unshift — Adds values to the front of the deque
Description
public Ds\Deque::unshift ([ mixed $values ] ) : void
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
<?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:
Ds\Deque Object
(
[0] => b
[1] => c
[2] => a
[3] => 1
[4] => 2
[5] => 3
)
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https://www.php.net/manual/en/ds-deque.unshift.php