CardinalDimension.php

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<?php

declare(strict_types=1);

namespace ILIAS\Data\Dimension;

class CardinalDimension extends Dimension
{
    public function __construct(array $value_labels = [])
    {
        $this->value_labels = $value_labels;
    }

    public function checkValue($value): void
    {
        if (!is_null($value) && !is_numeric($value)) {
            throw new \InvalidArgumentException(
                "Expected parameter to be numeric or null. '$value' is given."
            );
        }
    }
}