function mltlngg_alternate_links()
{
global $mltlngg_enabled_languages, $mltlngg_current_language, $mltlngg_get_default_language, $mltlngg_options, $mltlngg_old_language, $mltlngg_enabled_languages_locale;
if (!$mltlngg_options['display_alternative_link']) {
return false;
}
$home_url = mltlngg_home_url();
if (is_array($home_url)) {
$home_url = $home_url[0];
$is_subfolder = true;
} else {
$is_subfolder = false;
}
$html = '';
$is_custom_permalink = get_option('permalink_structure');
$old_link_param = is_null($mltlngg_old_language) ? false : $mltlngg_old_language;
$cur_link_param = is_null($mltlngg_current_language) ? false : $mltlngg_current_language;
$defaults = array('x-default', $mltlngg_get_default_language);
$link_attr_args = array(array('hreflang' => 'x-default', 'link_param' => $mltlngg_get_default_language));
foreach ($mltlngg_enabled_languages as $lang) {
$link_attr_args[] = array('hreflang' => $lang['locale'], 'link_param' => $lang['locale']);
}
/**
* You can add, edit or remove some links
*/
$link_attr_args = apply_filters('bwsplgns_mltlngg_add_alt_links', $link_attr_args);
if (empty($link_attr_args) || !is_array($link_attr_args)) {
return false;
}
foreach ($link_attr_args as $item) {
if (empty($item['hreflang']) || empty($item['link_param'])) {
continue;
}
if ($is_custom_permalink) {
if (in_array($item['hreflang'], $defaults) && true === $mltlngg_options['hide_link_slug']) {
/*
* display link without language prefix
* for default language
*/
$needle = $cur_link_param . '/';
$haystack = '';
} else {
$needle = $cur_link_param;
$haystack = $item['link_param'];
}
if ($is_subfolder && $mltlngg_current_language == $mltlngg_get_default_language) {
$params = explode('/', trim($_SERVER['REQUEST_URI'], '/'));
if (is_array($params) && !empty($params)) {
$folder = $params[0];
unset($params[0]);
foreach ($mltlngg_enabled_languages_locale as $locale) {
$key = array_search($locale, $params);
if ($key) {
unset($params[$key]);
break;
}
}
$params = empty($params) ? '' : implode('/', $params);
}
$link_param = in_array($item['hreflang'], $defaults) && true === $mltlngg_options['hide_link_slug'] ? '' : '/' . $item['link_param'];
$language_link = $home_url . '/' . $folder . $link_param . '/' . $params;
} else {
$language_link = $home_url . mltlngg_str_replace_once($needle, $haystack, $_SERVER['REQUEST_URI']);
}
} else {
$language_link = in_array($item['hreflang'], $defaults) && true === $mltlngg_options['hide_link_slug'] ? remove_query_arg('lang', $home_url . $_SERVER['REQUEST_URI']) : add_query_arg('lang', $item['link_param'], $home_url . $_SERVER['REQUEST_URI']);
}
$html .= '<link rel="alternate" hreflang="' . esc_attr($item['hreflang']) . '" href="' . esc_url(rtrim($language_link, '/')) . '" />';
}
echo $html;
}
function mltlngg_get_switcher_block($mltlngg_language_switcher = false)
{
global $mltlngg_current_language, $mltlngg_enabled_languages, $current_blog, $mltlngg_options;
$switcher = '<div class="mltlngg_switcher"><noscript><p style="color:red;">' . __('Please enable JavaScript to use the option', 'multilanguage') . '</p></noscript>';
if (!$mltlngg_language_switcher) {
$mltlngg_language_switcher = $mltlngg_options['language_switcher'];
}
/* Language switcher style */
switch ($mltlngg_language_switcher) {
case 'drop-down-list':
$switcher .= '<select style="background-image: url(' . plugins_url('images/flags/', __FILE__) . $mltlngg_current_language . '.png ); background-repeat: no-repeat; background-position: left center; padding-left: 20px; display: block !important;" name="mltlngg_change_display_lang" onchange="document.location.href=this.options[this.selectedIndex].value;">';
foreach ($mltlngg_enabled_languages as $mltlngg_one_language) {
$mltlngg_selected = $mltlngg_one_language['locale'] == $mltlngg_current_language ? 'selected="selected"' : '';
$mltlngg_option_display = $mltlngg_one_language['locale'] == $mltlngg_current_language && count($mltlngg_enabled_languages) > 1 ? ' display: none;' : '';
$home = get_option('home');
$mltlngg_is_subfolder = mltlngg_is_subfolder();
if (is_multisite() && !is_subdomain_install() || $mltlngg_is_subfolder) {
if (!$mltlngg_is_subfolder) {
if ($current_blog) {
$home_main = (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on" ? "https://" : "http://") . $current_blog->domain;
$home_main = esc_url($home_main);
}
} else {
$home_dir = str_replace('http://www.', '', $home);
$home_dir = str_replace('https://www.', '', $home_dir);
$home_dir = str_replace('http://', '', $home_dir);
$home_dir = str_replace('https://', '', $home_dir);
$server_name = $_SERVER['SERVER_NAME'];
if ('www.' == substr($server_name, 0, 4)) {
$server_name = substr($server_name, 4);
}
$home_dir = str_replace($server_name . ':' . $_SERVER['SERVER_PORT'], '', $home_dir);
$home_dir = str_replace($server_name, '', $home_dir);
$home_dir = rtrim($home_dir, '/ ');
$home_dir_count = strlen($home_dir);
$home_main = substr($home, 0, -$home_dir_count);
}
$language_link = $home_main . mltlngg_str_replace_once($mltlngg_current_language, $mltlngg_one_language['locale'], $_SERVER['REQUEST_URI']);
} else {
$language_link = $home . mltlngg_str_replace_once($mltlngg_current_language, $mltlngg_one_language['locale'], $_SERVER['REQUEST_URI']);
}
$switcher .= '<option ' . $mltlngg_selected . ' value="' . $language_link . '" style="background-image: url(' . plugins_url('images/flags/', __FILE__) . $mltlngg_one_language['locale'] . '.png); background-repeat: no-repeat; background-position: left center; padding-left: 20px;' . $mltlngg_option_display . '">' . $mltlngg_one_language['name'] . '</option>';
}
$switcher .= '</select>';
break;
case 'drop-down-icons':
$switcher .= '<form name="mltlngg_change_language" method="post" action="">
<ul class="mltlngg-lang-switch">
<li>
<img src="' . plugins_url('images/flags/', __FILE__) . $mltlngg_current_language . '.png">
<ul>';
foreach ($mltlngg_enabled_languages as $mltlngg_one_lang) {
if ($mltlngg_one_lang['locale'] != $mltlngg_current_language) {
$switcher .= '<li>
<button class="mltlngg-lang-button" name="mltlngg_change_display_lang" value="' . $mltlngg_one_lang['locale'] . '" title="' . $mltlngg_one_lang['name'] . '">
<img class="mltlngg-lang" src="' . plugins_url('images/flags/', __FILE__) . $mltlngg_one_lang['locale'] . '.png" alt="' . $mltlngg_one_lang['name'] . '">
</button>
</li>';
}
}
$switcher .= '</ul>
</li>
</ul>
</form>';
break;
case 'flags-icons':
$switcher .= '<form name="mltlngg_change_language" method="post" action="">';
foreach ($mltlngg_enabled_languages as $mltlngg_one_lang) {
$switcher .= '<button class="mltlngg-lang-button-icons" name="mltlngg_change_display_lang" value="' . $mltlngg_one_lang['locale'] . '" title="' . $mltlngg_one_lang['name'] . '">
<img class="';
$switcher .= $mltlngg_one_lang['locale'] == $mltlngg_current_language ? 'mltlngg-current-lang' : 'mltlngg-lang';
$switcher .= '" src="' . plugins_url('images/flags/', __FILE__) . $mltlngg_one_lang['locale'] . '.png" alt="' . $mltlngg_one_lang['name'] . '">
</button>';
}
$switcher .= '</form>';
break;
}
$switcher .= '</div>';
return $switcher;
}
