array_chunk
(PHP 4 >= 4.2.0, PHP 5)
array_chunk -- Split an array into chunks
Description
array
array_chunk ( array input, int size [, bool preserve_keys] )
Chunks an array into size large chunks.
The last chunk may contain less than size elements.
Parameters
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.
Errors/Exceptions
If size is less than 1
E_WARNING will be thrown and NULL returned.
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
)
) |
|