Php array_chunk () function

Php array_chunk () function

Array_chunk
("= 4.2.0, PHP 5" in PHP 4)

Array_chunk-
Description
ArrayArray_chunk(Array input, int size [, bool preserve_keys])

Array_chunk ()Splits an array into multiple arrays. The number of units in each array isSizeDecide. The number of units in the last array may be smaller. The obtained array is a unit in a multi-dimensional array, and its index starts from scratch.

Set optional parametersPreserve_keysSetTRUE, So that PHP retains the original key name in the input array. If you specifyFALSE, Then each result array will be indexed with a new number starting from scratch. The default value isFALSE.
Parameters

Input
Array Operation

Size
Block Size

Preserve_keys
If set to TRUE, the key is retained. The default value is false.


Return Value
Returns an array of multi-level numeric indexes, from zero. Each layer contains size elements.

Error/exception
If the dimension is smaller than 1 E_WARNING, both throw and NULL are returned.

Instance

Example #1 array_chunk ()

The above example will output:

Array
(
[0] => Array
(
[0] =>
[1] => B
)

[1] => Array
(
[0] => c
[1] => d
)

[2] => Array
(
[0] => e
)

)
Array
(
[0] => Array
(
[0] =>
[1] => B
)

[1] => Array
(
[2] => c
[3] => d
)

[2] => Array
(
[4] => e
)

)