Ds\Sequence::unshift

(PECL ds >= 1.0.0)

Ds\Sequence::unshift — Adds values to the front of the sequence

说锟斤拷

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.

锟斤拷锟斤拷

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.

锟斤拷锟斤拷值

没锟叫凤拷锟斤拷值锟斤拷

锟斤拷锟斤拷

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

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

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

print_r($sequence);
?>

锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�

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