Chunks an array into arrays with size elements. The last chunk may contain less than size elements. Test array_chunk online.
array array_chunk ( array $array , int $size [, bool $preserve_keys = false ] )
PHP Documentation by the PHP Documentation Group
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
array_chunk — Split an array into chunks
en
$array
, int $size
[, bool $preserve_keys = FALSE
] ) : array
Chunks an array into arrays with size elements.
The last chunk may contain less than size elements.
array
The array to work on
size
The size of each chunk
preserve_keys
When set to TRUE keys will be preserved.
Default is FALSE which will reindex the chunk numerically
Returns a multidimensional numerically indexed array, starting with zero,
with each dimension containing size elements.
If size is less than 1
E_WARNING will be thrown and NULL returned.
Example #1 array_chunk() example
<?php
$input_array = array('a', 'b', 'c', 'd', 'e');
print_r(array_chunk($input_array, 2));
print_r(array_chunk($input_array, 2, true));
?>
The above example will output:
Array
(
[0] => Array
(
[0] => a
[1] => b
)
[1] => Array
(
[0] => c
[1] => d
)
[2] => Array
(
[0] => e
)
)
Array
(
[0] => Array
(
[0] => a
[1] => b
)
[1] => Array
(
[2] => c
[3] => d
)
[2] => Array
(
[4] => e
)
)
Copyright © 1997 - 2016 by the PHP Documentation Group. This material may be distributed only subject to the terms and conditions set forth in the Creative Commons Attribution 3.0 License or later. A copy of the Creative Commons Attribution 3.0 license is distributed with this manual. The latest version is presently available at » http://creativecommons.org/licenses/by/3.0/.