Get simple 3.3.16 support for php 8.0

[Oleg06]

plugin I18N Search

searchresults.php
line 84

Code:

if (trim($headerText) != '') {

replaced by

Code:

if (trim($headerText ?? '')) {

line 162

Code:

<div class="search-entry-date"><?php echo strftime($dateFormat, $item->pubDate); ?></div>

replaced by

Code:

<div class="search-entry-date"><?php echo date($dateFormat, $item->pubDate); ?></div>

configure.php

line 117

Code:

<tr><td><?php i18n('i18n_search/TRANSLITERATION'); ?></td><td><textarea name="transliteration" style="width:5em; height:100px;" class="text"><?php echo htmlspecialchars(@$params['transliteration']); ?></textarea></td><td></td></tr>

replaced by

Code:

<tr><td><?php i18n('i18n_search/TRANSLITERATION'); ?></td><td><textarea name="transliteration" style="width:5em; height:100px;" class="text"><?php echo htmlspecialchars((string)@$params['transliteration']); ?></textarea></td><td></td></tr>

and as if everything works and the errors have disappeared