PHP - array_unshift
Trieda
Metóda - array_unshift
(PHP 4, PHP 5, PHP 7)
Prepends one or more elements to the front of an array. The function allows you to use the array as a queue, so it should only be used if we work with the array as a queue.
Numerical indexes will be renumbered from 0. The function resets an internal pointer to the current element in the array.
Procedurálne
- function array_unshift (array &$array, mixed $value1, mixed $...) : int
Parametre
| Názov | Dátový typ | Predvolená hodnota | Popis |
|---|---|---|---|
| &$array | array | An array (queue). | |
| $value1 | mixed | A value to prepend. | |
| $... | mixed | Additional values to prepend. |
Mávratovej hodnoty
Vracia: int
The number of new elements in the queue.
Príklady
<?php
$queue =['Marge', 'Bart', 'Lisa', 'Meggie'];
array_unshift($queue, 'Homer');
print_r($queue);
Súvisiace manuály
- function array_pop (array &$array) : mixed
- function array_push (array &$array, mixed $value1, mixed $...) : int
- function array_shift (array &$array) : mixed
