Can the RangeValidator for an Array show which value fails?

[gb5256 (Write2christian)]

Hi There,
I am using a range validator with allowArray.
If one of the items of the Array is failing, the error message does not say which ones.

If I use this:
$validator = [‘value’, ‘in’, ‘range’ => $range, ‘allowArray’ => true, ‘message’ => ‘{value} failed’];
then the displayed message is:
array() failed.

Is there a way to achieve this?

[softark]

Hi @gb5256,

The following is the source code of RangeValidator::validateValue():

    protected function validateValue($value)
    {
        $in = false;

        if ($this->allowArray
            && ($value instanceof \Traversable || is_array($value))
            && ArrayHelper::isSubset($value, $this->range, $this->strict)
        ) {
            $in = true;
        }

        if (!$in && ArrayHelper::isIn($value, $this->range, $this->strict)) {
            $in = true;
        }

        return $this->not !== $in ? null : [$this->message, []];
    }```

It uses ArrayHelper::isSubset() to check the values.
So, there’s no way to tell which value failed when allowArray is true.

You would want to write your own custom validator to satisfy your needs.