Laravel increment or decrement column value; Through this tutorial, i am going to show you how to increment or decrement column value in laravel apps.
How to Increment And Decrement Column Values in Laravel
Let’s see the following examples of increment() and decrement() method, which is used to increment or decrement column values in laravel apps:
- Increment a column value Laravel
- Decrement a column value Laravel
- Increment Or Decrement Without Using Laravel Methods
Increment a column value Laravel
To increment column value in laravel apps using the following example; as follows:
Post::find($id)->increment('views');
OR
Post::where('id',1)->increment("views");
If you want to customize column increment value then you can pass the second argument in the increment() function like below:
Post::find($id)->increment('views', 5);
OR
Post::where('id',1)->increment("views", 5);
Decrement a column value Laravel
To decrement column value in laravel apps using the decrement() method; as follows:
Post::find($id)->decrement('views');
OR
Post::where('id',1)->decrement("views");
If you want to customize column decrement value then you can pass the second argument in the decrement() function like below:
Post::find($id)->decrement('views', 5);
OR
Post::where('id',1)->decrement("views", 5);
Increment Or Decrement Without Using Laravel Methods
And also you can increment and decrement column values in laravel apps using the db::raw() function in laravel apps; as follows:
Increment column value by
Post::where('id', $id)->update(['views' => DB::raw('views + 1')]);
Decrement column value by
Post::where('id', $id)->update(['views' => DB::raw('views - 1')]);
This query uses laravel eloquent method where(), update() and DB::raw().
Conclusion
In this tutorial, you have learned how to increment or decrement column values using the laravel inbuilt methods and without using the inbuilt method.