reduce_with.php

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<?php

declare(strict_types=1);

namespace ILIAS\UI\examples\Input\Container\Form\Standard;

function reduce_with()
{
    global $DIC;
    $ui = $DIC->ui()->factory();
    $renderer = $DIC->ui()->renderer();

    $text_input = $ui->input()->field()
        ->text("Required Input", "User needs to fill this field")
        ->withRequired(true);

    $section = $ui->input()->field()->section(
        [$text_input],
        "Section with required field",
        "The Form should show an explaining hint at the bottom"
    );

    $form = $ui->input()->container()->form()->standard("", [$section, $section, $text_input]);

    $array = $form->reduceWith(
        fn($c, $res) => [$c->getCanonicalName() => $res]
    );

    return $renderer->render([
        $ui->legacy()->content('<pre>' . print_r(json_encode($array, JSON_PRETTY_PRINT), true) . '</pre>'),
    ]);
}