zhuravljov/yii2-calc-validator Math expression validator for Yii2

extensionmathvalidatorcalculator

Yii2 Calc Validator

Math expression validator without using eval() for Yii2.

Installation

The preferred way to install this extension is through composer.

Either run

$ composer require zhuravljov/yii2-calc-validator

or add

"zhuravljov/yii2-calc-validator": "*"

to the require section of your composer.json file.

Usage

public function rules()
{
    return [
        // ...

        // Rule for checking an expression
        ['amount1', 'zhuravljov\yii\validators\CalcValidator'],

        // Rule for checking an expressions with saving result of calculation
        ['amount2', 'zhuravljov\yii\validators\CalcValidator', 'resultAttribute' => 'amount2'],

        // ...
    ];
}

After adding this validator, expressions can be used in forms.

For example:

  • 12.80 + 3.50 * 2 - valid expression. Result: 19.8.
  • (2 + 2) * 2 - valid expression. Result: 8.
  • (2 + 2 - invalid expression.

This validator checks an expression and saves a result. And it can be used for currency fields or any numeric fields.

More details about calculation of expressions.

Statistics

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Releases

  • 1.018 April 2015

Comments



1.0 is the latest of one release



BSD-3-Clause license
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61 total downloads