PHP array_chunk() 函數

PHP array_chunk() 函數

定義和用法
該array_chunk （ ）函數的一系列分裂成一新的陣列。

語法

array_chunk(array,size,preserve_key)
Parameter Description array Required. Specifies the array to use size Required. Specifies how many elements each new array will contain preserve_key Optional. Possible values: true - Preserves the keys from the original array.false - Default. Does not preserve the keys from the original array.
看看實例.
<?php
$a=array("a"=>"Cat","b"=>"Dog","c"=>"Horse","d"=>"Cow");
print_r(array_chunk($a,2));
?>
出得的結果.
 
Array (
[0] => Array ( [0] => Cat [1] => Dog )
[1] => Array ( [0] => Horse [1] => Cow )
)
再來看個例子.
 
<?php
$a=array("a"=>"Cat","b"=>"Dog","c"=>"Horse","d"=>"Cow");
print_r(array_chunk($a,2,true));
?>
 
輸出結果如下.
 
Array (
[0] => Array ( [a] => Cat [b] => Dog )
[1] => Array ( [c] => Horse [d] => Cow )
)