Usage of distinct in Thinkphp

The main purpose of distinct() in TP is to remove duplicate values. Below I will introduce to you the usage of distinct() in Thinkphp through example code. Let’s take a look.

The main purpose of distinct() in TP is It is to remove duplicate values

It is also explained in detail in the Thinkphp manual (link: http://document.thinkphp.cn/manual_3_2.html#distinct)

The following is my personal example ：

##The display is like this

If you add distinct:

The displayed result is

The following is the posted code

$offernum = M('offer')->distinct(true)->where('order_id='.$order_id)->field('user_id,number')->select();
dump($offernum);

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