sidetray and activepane from puzzlum.net

<?php

function sidetray()
{
    global $nen;

    $trueret='';
    $listings=include_listings('listings');
    ksort($listings);
    $ret='';
    foreach($listings as $arr)
    foreach($arr as $project)
        foreach($project as $key => $value)
        {
            if($key==='Engine')
            {
                $ret.='<td style="border:none;background-color:rgba(0,0,0,0);">'.
                (strlen($project['Thumb'])>0?
                '<img style="width:32;height:32;" src="./thumbs/'.$project['Engine'].'/'.$project['Thumb'].'">':'').
                '<br>'.
                '<a href="./?prj='.$value.'">'.
                htmlentities($value).'</a>'.
                '</td>';

                if (isset($_GET['prj']))
                    if ($project['Engine']===$_GET['prj'])
                        $trueret='<tr>'.activepane($arr).'</tr>';
            }
        }
    $ret=
        '<tr><td colspan="3" style="background-color:rgba(0,0,0,.5);"><table width="100%">'.
        $ret.
        '</table>'.
        $trueret.
        '</td></tr>';

    return $ret;
}

function activepane($arr)
{
    global $nen;

    $ret='';
    foreach($arr as $project)
    foreach($project as $key => $value)
        switch ($key) {
            case 'Download':
            {
                $ret.='<tr><td colspan="1" style="background-color:rgba(0,0,0,.5);">'.$key.'</td><td colspan="1" style="background-color:rgba(0,0,0,.5);"><a href="./archives/'.$project['Engine'].'/'.$value.'">'.intval(filesize($nen['root'].'./archives/'.$project['Engine'].'/'.$value)/1024).'KiB</a></td></tr>';
                break;
            }
            case 'About':
            {
                break;
            }
            case 'Summary':
            {
                break;
            }
            case 'Caption':
            {
                break;
            }
            case 'Thumb':
            {
                break;
            }
            case 'Vod':
            {
                break;
            }
            case 'Engine':
            {
                $ret.='<tr><td colspan="1" style="background-color:rgba(0,0,0,.5);">'.
                $key.
                '</td><td colspan="1" style="background-color:rgba(0,0,0,.5);">'.
                $value.
                '</td>';

                $ret.=
                '<td colspan="1" rowspan="1" style="background-color:rgba(0,0,0,.5);">'.'<p>'.$project['Caption'].'<br>('.$project['Summary'].')</p>';
                $ret.='</td></tr>';
                break;
            }
            case 'Platform':
            {
                $ret.='<tr><td colspan="1" style="background-color:rgba(0,0,0,.5);">'.
                $key.
                '</td><td colspan="1" style="background-color:rgba(0,0,0,.5);">'.
                $value.
                '</td>';

                $ret.=
                '<td colspan="1" rowspan="'.(count($project)-6).'" style="background-color:rgba(0,0,0,.5);">'.

                (strlen($project['Thumb'])>0?
                    (strlen($project['Vod'])===0?
                        '<img src="./thumbs/'.$project['Engine'].'/'.$project['Thumb'].'">'
                    :
                        ''
                    )
                :
                    ''
                ).
                (strlen($project['Vod'])>0?('<br><video width="320" height="240" controls><source src="./vods/'.$project['Engine'].'/'.$project['Vod'].'" type="video/mp4">Your browser does not support the video tag.</video>'):'').
                '<br>'.$project['About'];
                $ret.='</td></tr>';
                break;
            }
            default:
            {
                $ret.='<tr><td style="background-color:rgba(0,0,0,.5);">'.htmlentities($key).'</td><td style="background-color:rgba(0,0,0,.5);">'.htmlentities($value).'</td></tr>';
                $ret.='</tr>';
                break;
            }
        }
    return $ret;
}
?>