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array_chunk
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
array_chunk — Split an array into chunks
Description
array_chunk
( array
$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.
Parameters
-
array -
The array to work on
-
size -
The size of each chunk
-
preserve_keys -
When set to
TRUEkeys will be preserved. Default isFALSEwhich will reindex the chunk numerically
Return Values
Returns a multidimensional numerically indexed array, starting with zero,
with each dimension containing size elements.
Examples
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
)
)
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Steph