<?php /** * @var yii\web\View $this * @var mixed $diff */ ?> <div class="default-diff"> <?php if ($diff === false): ?> <div class="alert alert-danger">Diff is not supported for this file type.</div> <?php elseif (empty($diff)): ?> <div class="alert alert-success">Identical.</div> <?php else: ?> <div class="content"><?= $diff ?></div> <?php endif; ?> </div>