Gazelle/sections/upload/get_extra_torrents.php

<?php
#declare(strict_types=1);

// Extra torrent files
$ExtraTorrents = [];
$DupeNames = [];
$DupeNames[] = $_FILES['file_input']['name'];

if (isset($_POST['extra_format']) && isset($_POST['extra_bitrate'])) {
    for ($i = 1; $i <= 5; $i++) {
        if (isset($_FILES["extra_file_$i"])) {
            $ExtraFile = $_FILES["extra_file_$i"];
            $ExtraTorrentName = $ExtraFile['tmp_name'];
            if (!is_uploaded_file($ExtraTorrentName) || !filesize($ExtraTorrentName)) {
                $Err = 'No extra torrent file uploaded, or file is empty.';
            } elseif (substr(strtolower($ExtraFile['name']), strlen($ExtraFile['name']) - strlen('.torrent')) !== '.torrent') {
                $Err = 'You seem to have put something other than an extra torrent file into the upload field. (' . $ExtraFile['name'] . ').';
            } elseif (in_array($ExtraFile['name'], $DupeNames)) {
                $Err = 'One or more torrents has been entered into the form twice.';
            } else {
                $j = $i - 1;
                $ExtraTorrents[$ExtraTorrentName]['Name'] = $ExtraTorrentName;
                $ExtraFormat = $_POST['extra_format'][$j];
                if (empty($ExtraFormat)) {
                    $Err = 'Missing format for extra torrent.';
                    break;
                } else {
                    $ExtraTorrents[$ExtraTorrentName]['Format'] = db_string(trim($ExtraFormat));
                }
                $ExtraBitrate = $_POST['extra_bitrate'][$j];
                if (empty($ExtraBitrate)) {
                    $Err = 'Missing bitrate for extra torrent.';
                    break;
                } else {
                    $ExtraTorrents[$ExtraTorrentName]['Encoding'] = db_string(trim($ExtraBitrate));
                }
                $ExtraReleaseDescription = $_POST['extra_release_desc'][$j];
                $ExtraTorrents[$ExtraTorrentName]['TorrentDescription'] = db_string(trim($ExtraReleaseDescription));
                $DupeNames[] = $ExtraFile['name'];
            }
        }
    }
}