StackedInputData.php

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<?php

declare(strict_types=1);

namespace ILIAS\UI\Implementation\Component\Input;

use ILIAS\UI\Implementation\Component\Input\InputData;
use Psr\Http\Message\ServerRequestInterface;
use LogicException;

class StackedInputData implements InputData
{
    protected array $stack;

    public function __construct(InputData ...$stack)
    {
        $this->stack = $stack;
    }

    public function get(string $name)
    {
        foreach($this->stack as $input) {
            if($input->has($name)) {
                return $input->get($name);
            }
        }
        throw new LogicException("'$name' is not contained in stack of input.");
    }

    public function getOr(string $name, $default)
    {
        foreach($this->stack as $input) {
            if($input->has($name)) {
                return $input->get($name);
            }
        }
        return $default;
    }

    public function has($name): bool
    {
        foreach($this->stack as $input) {
            if($input->has($name)) {
                return true;
            }
        }
        return false;
    }
}