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This article introduces the knowledge of "how to remove duplicate values in thinkphp". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Thinkphp method to remove duplicate values: 1, open the corresponding TP file; 2, through "$result = M (" order ")-> distinct (true)-> select ();" method to remove duplicate data.

This article operating environment: Windows7 system, ThinkPHP5 version, Dell G3 computer.

How does thinkphp remove duplicate values?

ThinkPHP removes duplicate data and merges duplicate fields

1. Remove duplicate data

Distinct

$result = M ("order")-> distinct (true)-> select ()

2. Merge duplicate fields

Group

Result = M ("user")-> group ("name")-> select ()

For example: name repeat shows only one item

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