user_defined.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\UI\examples\Input\Field\Image;
 
use ILIAS\Data\ImagePurpose;
 
function user_defined(): string
{
    global $DIC;
 
    $factory = $DIC->ui()->factory();
    $renderer = $DIC->ui()->renderer();
 
    $input = $factory->input()->field()->image(
        new \ilUIDemoFileUploadHandlerGUI(),
        ImagePurpose::USER_DEFINED,
        'Upload Image',
        'Please provide an alternate text if necessary.',
    );
 
    $form = $factory->input()->container()->form()->standard("#", [$input]);
 
    return $renderer->render($form);
}