#元配列のキーを維持しない場合
$arr = array("apple", "banana", "grape", "melon", "remon");
print_r(array_chunk($arr, 2));
/*
Array
(
[0] => Array
(
[0] => apple
[1] => banana
)
[1] => Array
(
[0] => grape
[1] => melon
)
[2] => Array
(
[0] => remon
)
)
*/
#元配列のキーを維持する場合
print_r(array_chunk($arr, 2, TRUE));
/*
Array
(
[0] => Array
(
[0] => apple
[1] => banana
)
[1] => Array
(
[2] => grape
[3] => melon
)
[2] => Array
(
[4] => remon
)
)
*/
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