如何在php中将一个数组值分配给另一个数组

For Example :

例如 ：

$variable = Array(
[0] => Array( [id]=>"1" [file]=>"new" )
[1] => Array( [id]=>"2" [file]=>"sample" )
[2] => Array( [id]=>"3" [file]=>"hello" )
[3] => Array( [id]=>"4" [file]=>"garden" )
[4] => Array( [id]=>"5" [file]=>"door" )
[5] => Array( [id]=>"6" [file]=>"tem" )
)
$variable = Array(
[0] =