PHP Tutorial - PHP array_chunk() function splits array into chunks
Definition
The array_chunk() function splits an array into chunks and stores the chunks into new arrays.
Syntax
PHP array_chunk() function has the following syntax.
array_chunk(array,size,preserve_keys);Parameter
| Parameter | Is Required | Description |
|---|---|---|
| array | Required. | Array to use |
| size | Required. | Size of each chunk |
| preserve_key | Optional. | If to preserve the key |
Possible values for preserve_key:
- true to preserve the keys
- false(Default) to reindex the chunk numerically
Return
Returns a multidimensional indexed array, starting with zero, with each dimension containing size elements.
Example 1
Split an array into chunks of two.
<?php
$letters=array("A","B","C","D","E","java2s.com");
$split = array_chunk($letters,2);
print_r($split);
?>
The code above generates the following result.
Example 2
Split an array into chunks of two and preserve the original keys.
<?php
$age=array("PHP"=>"5","Python"=>"7","Java"=>"3","java2s.com"=>"9");
print_r(array_chunk($age,2,true));
?>
The code above generates the following result.
