假设我有这个专栏
star
----
1
3
3
1
2
5
3
它有七行，有整数值！我想把它加起来，再除以行数.
How do I do it in laravel. I can do it in plain php but I want to learn it in laravel.
假设我有这个专栏
star
----
1
3
3
1
2
5
3
它有七行，有整数值！我想把它加起来，再除以行数.
How do I do it in laravel. I can do it in plain php but I want to learn it in laravel.
试试这个:
$avgStar = Model::avg('star');
" Model " will replace with your model name