old/application/views/projects_entry.php

<?php
    defined('BASEPATH') OR exit('No direct script access allowed');
    $pCategories = $this->projectsModel->getEntryCategories($data['ID']);
    $pCategoriesList = [];
    $categoryUrls = [];
    $lang = isset($_SESSION['site_lang']) ? $_SESSION['site_lang'] : 'de';

    foreach ($pCategories as $pCategory) {
        if ($lang == 'fr' && $pCategory['displaynameFrench'] != NULL) {
            $pCategoriesList[] = $pCategory['displaynameFrench'];
            $categoryUrls[$pCategory['displaynameFrench']] = $pCategory['collection'];
        } else if ($lang == 'en' && $pCategory['displaynameEnglish'] != NULL) {
            $pCategoriesList[] = $pCategory['displaynameEnglish'];
            $categoryUrls[$pCategory['displaynameEnglish']] = $pCategory['collection'];
        } else {
            $pCategoriesList[] = $pCategory['displayname'];
            $categoryUrls[$pCategory['displayname']] = $pCategory['collection'];
        }
    }
    sort($pCategoriesList);

    $pCategoriesListUrls = [];
    foreach ($pCategoriesList as $pCategory) {
        $pCategoriesListUrls[] = '<a href="' . base_url('projects/' . $categoryUrls[$pCategory]) . '">' . $pCategory . '</a>';
    }

    $pCategoriesListUrls = implode(', ', $pCategoriesListUrls);
?>
<section class="container">
    <div class="vote-container" data-id="<?= $data['ID'] ?>">
        <a href="#" class="vote-btn upvote">
            <i class="fa<?= $voteType == 1 ? '' : 'r' ?> fa-thumbs-up"></i>
        </a>
        <span><?= $voteCount ?></span>
        <a href="#" class="vote-btn downvote">
            <i class="fa<?= $voteType == -1 ? '' : 'r' ?> fa-thumbs-down"></i>
        </a>
    </div>
    <div class="row">
        <?php if (!empty($prevProject)):
            $prevProject = $prevProject[0]; ?>
            <div class="col-xs-6 col-sm-6 col-md-5 col-lg-4">
                <div class="project-card">
                    <a href="<?= base_url('projects/entry/' . $prevProject['name']) ?>">
                        <div class="float-left rounded project-image"
                             style="background-image:url(<?= $prevProject['source'] ?>?w=200)"></div>
                        <div class="prev-project">
                            <h5>
                                <i class="fa fa-arrow-left"></i> <?= lang('projects_previous') ?></h5>
                            <h4><?= $prevProject['title'] ?></h4>
                        </div>
                    </a>
                </div>
            </div>
        <?php endif; ?>
        <div class="col-xs-12 col-xs-pull-12 col-md-2 col-md-pull-0 col-lg-4 text-center">
            <a href="<?= base_url('projects') ?>">
                <i class="fa fa-arrow-circle-up"></i>
                <span style="display: block;">
                <?= lang('projects_back_to_overview') ?>
            </span>
            </a>
        </div>
        <?php if (!empty($nextProject)):
            $nextProject = $nextProject[0]; ?>
            <div class="col-xs-6 col-sm-6 col-md-5 col-lg-4 float-right">
                <div class="project-card next-project-card">
                    <a href="<?= base_url('projects/entry/' . $nextProject['name']) ?>">
                        <div class="float-right rounded project-image"
                             style="background-image:url(<?= $nextProject['source'] ?>?w=200)"></div>
                        <div class="next-project">
                            <h5><?= lang('projects_next') ?>
                                <i class="fa fa-arrow-right"></i>
                            </h5>
                            <h4><?= $nextProject['title'] ?></h4>
                        </div>
                    </a>
                </div>
            </div>
        <?php endif; ?>
    </div>
</section>

<section class="primary">
    <div class="container">
        <div class="row">
            <div class="col-lg-4 col-md-4 col-sm-12 col-xs-12">
                <img src="<?= $data['source'] ?>?w=600" class="img-fluid rounded">
            </div>
            <div class="col-lg-8 col-md-8 col-sm-12 col-xs-12">
                <span data-toggle="tooltip" data-placement="top" title="Kategorien">
                    <i class="fa fa-folder-open"></i> <?= $pCategoriesListUrls ?>
                </span>
                <span data-toggle="tooltip" data-placement="top"
                      title="Datum: <?= strftime("%d. %B %Y", strtotime($data['datetime'])) ?>"
                      style="margin-left:50px">
                    <i class="far fa-calendar"></i> <?= $data['time_existing'] ?>
                </span>
                <?php if (isset($_SESSION['user']) && !empty($_SESSION['user'])): ?>
                    <a href="<?= base_url('admin/projects/edit/' . $data['ID']) ?>" target="_blank"
                       style="margin-left: 50px" data-toggle="tooltip" data-placement="top" title="Bearbeiten">
                        <i
                                class="fa fa-edit"></i>
                        Bearbeiten
                    </a>
                <?php endif; ?>
                <h1><?= $data['title'] ?></h1>
                <p class="lead"><?= $data['description'] ?></p>

            </div>
        </div>
        <?php if ($data['customLink'] != NULL): ?>
            <a href="<?= $data['customLink'] ?>" class="btn btn-orange round raised" target="_blank"><?= $data['customLinkName'] ?></a>
        <?php endif; ?>

        <?php if ($data['isDownloadable']): ?>
            <a href="<?= $data['downloadLink'] ?>" class="btn btn-transparent round <?= $data['downloadLink'] == NULL ? 'disabled' : '' ?>" target="_blank">Download <?= $data['downloadName'] ?></a>
        <?php endif; ?>

        <?php if ($data['isOpenSource']): ?>
            <a href="<?= $data['openSourceLink'] ?>" class="btn btn-transparent round <?= $data['openSourceLink'] == NULL ? 'disabled' : '' ?>" target="_blank">OpenSource <?= $data['openSourceName'] ?></a>
        <?php endif; ?>
    </div>
</section>

<section class="container">
    <div class="row">
        <div class="col-sm-12 col-md-8 offset-md-2 project-content-container">
            <?= $data['content'] ?>
        </div>
    </div>
</section>