StackedInputData.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\UI\Implementation\Component\Input;
 
use ILIAS\UI\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;
    }
}