How to solve the problem of schedule loss when Laravel uses increment and decrement

This article mainly introduces "how to solve the loss of progress in the use of increment and decrement in Laravel". In the daily operation, I believe that many people have doubts about how to solve the problem of progress loss in the use of increment and decrement in Laravel. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the question of "how to solve the loss of progress in the use of increment and decrement in Laravel". Next, please follow the editor to study!

Due to historical reasons, increment that uses Eloquent in Laravel version 5.3 has lost precision.

Override the incrementOrDecrementAttributeValue method, using bcadd for calculation, leaving 2 decimal places.

Protected function incrementOrDecrementAttributeValue ($column, $amount, $method) {$this- > {$column} = bcadd ($this- > {$column}, ($method = = 'increment'? $amount: $amount *-1), 2); $this- > syncOriginalAttribute ($column);}

Note: increment does not recommend calculating floating point numbers

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