An elegant method for changing the key without changing the value

{Code...} is there any elegant way to change the id key to comment_id in addition to the method of inserting and deleting the code first?

[0] => Array ([id] => 115 [create_time] => 2 hours ago [content] => xxxxxxxxxxxx)

In addition to the insert and delete methods,Comparison?EleganceIn this exampleIdKeyComment_id

Reply content:

[0] => Array ([id] => 115 [create_time] => 2 hours ago [content] => xxxxxxxxxxxx)

In addition to the insert and delete methods,Comparison?EleganceIn this exampleIdKeyComment_id

No, other methods do not directly traverse and modify the performance.