RangeDimension.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Data\Dimension;
 
class RangeDimension extends Dimension
{
    protected CardinalDimension $cardinal_dimension;
 
    public function __construct(CardinalDimension $cardinal_dimension)
    {
        $this->cardinal_dimension = $cardinal_dimension;
        $this->value_labels = $this->cardinal_dimension->getLabels();
    }
 
    public function checkValue($value): void
    {
        if (is_null($value)) {
            return;
        }
        if (!is_array($value)) {
            throw new \InvalidArgumentException(
                "Expected parameter to be null or an array with exactly two numeric parameters.
                            '$value' is given."
            );
        } elseif (count($value) !== 2) {
            throw new \InvalidArgumentException(
                "Expected parameter to be an array with exactly two numeric parameters."
            );
        } else {
            foreach ($value as $number) {
                $this->cardinal_dimension->checkValue($number);
            }
        }
    }
}