Question 15354 in Laravel Question posted in
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sum of 4 fields should be 100 and those fields are not always required to be filled – Laravel

 'boulders_per' => 'numeric',
            'fine_soil_per' => 'numeric',
            Rule::sometimes(function () {
                $sum = $this->input('boulders_per', 0) + $this->input('fine_soil_per', 0);
                return $sum !== 100;
            }),

used requiredif bt these fileds are not always required to be filled and using sometimes its shows error
"message": "Method IlluminateValidationRule::sometimes does not exist.",

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2

Answers


  1. 0

    You might try to implement this on top of your controller(or wherever you use that function):

    use IlluminateSupportFacadesValidator;

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  2. 0

    Method : 1

    You must use Custom Validation Rules for single attribute validations.

    There is a provision in After Validation Hooks where such kind of complex validation can be written

    public function withValidator($validator)
{
    $validator->after(function ($validator) {
        if ($this->get('your_field_1') + $this->get('your_field_2') + $this->get('your_field_3') + $this->get('your_field_4') != 100) {
            $validator->errors()->add(null, 'The sum of field1, field2 and field3 and field4 must be 100');
        }
    });
}

    Method : 2

    Your can convert the value from an array to a collection and use the sum collect method

    public function passes($attribute, $value) {
    $values = collect($value);    
    return $values->sum('percentage') <= 100;
}
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