Syntax
| array array_chunk ( array $input, int $size [, bool $preserve_keys] ); |
Definition and Usage
Chunks an array into size large chunks. The last chunk may contain less than size elements.
Paramters
| Parameter | Description |
|---|---|
| input | 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 |
Return Values
Returns a multidimensional numerically indexed array, starting with zero, with each dimension containing size elements.
Example
Try out following 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));
?>
|
This will produce following result:
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
)
)
|
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