(PHP 4 >= 4.2.0, PHP 5, PHP 7)
array_chunk — 锟斤拷一锟斤拷锟斤拷锟斤拷指锟缴讹拷锟�
$array
, int $size
[, bool $preserve_keys = false
] ) : array
锟斤拷一锟斤拷锟斤拷锟斤拷指锟缴讹拷锟斤拷锟斤拷椋拷锟斤拷锟矫匡拷锟斤拷锟斤拷锟侥碉拷元锟斤拷目锟斤拷
size 锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟侥碉拷元锟斤拷目锟斤拷锟杰伙拷锟斤拷锟斤拷 size 锟斤拷锟斤拷
array锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
size每锟斤拷锟斤拷锟斤拷牡锟皆拷锟侥�
preserve_keys
锟斤拷为 TRUE锟斤拷锟斤拷锟斤拷使 PHP
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷原锟斤拷锟侥硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟街革拷锟斤拷锟� FALSE锟斤拷锟斤拷每锟斤拷锟斤拷锟斤拷锟斤拷榻拷么锟斤拷憧硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥拷锟街碉拷锟� FALSE锟斤拷
锟矫碉拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷维锟斤拷锟斤拷锟叫的碉拷元锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟姐开始锟斤拷每一维锟斤拷锟斤拷锟斤拷 size 锟斤拷元锟截★拷
锟斤拷锟� size 小锟斤拷 1锟斤拷锟斤拷锟阶筹拷一锟斤拷
E_WARNING 锟斤拷锟襟并凤拷锟斤拷 NULL锟斤拷
Example #1 array_chunk() 锟斤拷锟斤拷
<?php
$input_array = array('a', 'b', 'c', 'd', 'e');
print_r(array_chunk($input_array, 2));
print_r(array_chunk($input_array, 2, true));
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
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
)
)