Ds\Sequence::unshift

(PECL ds >= 1.0.0)

Ds\Sequence::unshiftAdds values to the front of the sequence

Description

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

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

Parameters

values

The values to add to the front of the sequence.

Note:

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

Return Values

No value is returned.

Examples

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

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

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

print_r($sequence);
?>

The above example will output something similar to:

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

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https://www.php.net/manual/en/ds-sequence.unshift.php