PHP 8 reference · Array Functions

PHP array_slice() Function

Return a portion of an array without changing the original, given an offset and an optional length.

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Syntax

array_slice(array $array, int $offset, ?int $length = null, bool $preserve_keys = false): array

Parameter	Description
`array`	The input array.
`offset`	Where to start; negative counts from the end.
`length` optional	How many elements; negative stops that many from the end; `null` takes the rest.
`preserve_keys` optional	`true` keeps numeric keys instead of renumbering. Default: `false`

The selected elements.

Take part of an arrayTry it yourself

<?php
$letters = ["a", "b", "c", "d", "e"];
print_r(array_slice($letters, 1, 3));
print_r(array_slice($letters, -2));

Output

Array
(
    [0] => b
    [1] => c
    [2] => d
)
Array
(
    [0] => d
    [1] => e
)

PaginateTry it yourself

<?php
$posts = range(1, 23);
$page = 3;
$perPage = 10;
echo implode(",", array_slice($posts, ($page - 1) * $perPage, $perPage)), "\n";

Output

21,22,23

Version	Change
PHP 4.0	Added

array_splice() · Remove a portion of an array and optionally replace it with other elements, changing the array in place.
array_chunk() · Split an array into smaller arrays of a given size. The last chunk may be smaller.
substr() · Return part of a string, given a start position and an optional length. Negative values count from the end.
PHP Arrays · tutorial
PHP Array Functions · tutorial