/**
* Sanitize social networks setting.
*
* @param string $input
* @return string
*/
public static function sanitize_social_networks($input)
{
$clean = array();
$available_links = edutheme_available_social_links();
$networks = explode(' ', $input);
foreach ($networks as $network) {
if ('google+' == $network) {
$key = 'google_plus';
} else {
$key = $network;
}
if (array_key_exists($key, $available_links)) {
$clean[] = $network;
}
}
return implode(' ', $clean);
}
/**
* Get HTML of the social networks links.
*
* @return string
*/
function edutheme_social_links()
{
$enabled_networks = explode(' ', get_theme_mod('toolbar_links', 'facebook google+ twitter linkedin youtube vimeo instagram'));
if (empty($enabled_networks)) {
return '';
}
$theme_settings = get_option('educator_settings');
if (!is_array($theme_settings)) {
$theme_settings = array();
}
$output = '<ul class="toolbar-social">';
// Get available social links.
$links = edutheme_available_social_links();
foreach ($enabled_networks as $network) {
if ('google+' == $network) {
$network = 'google_plus';
}
if (isset($links[$network])) {
$href = '';
$nw_data = $links[$network];
if (!empty($nw_data['href'])) {
$href = $nw_data['href'];
} elseif (!empty($theme_settings[$network])) {
$href = $theme_settings[$network];
} else {
continue;
}
$output .= '<li class="' . esc_attr(str_replace('_', '-', $network)) . '">' . '<a href="' . esc_url($href) . '" title="' . esc_attr($nw_data['title']) . '" target="_blank">' . $nw_data['html'] . '</a>' . '</li>';
}
}
$output .= '</ul>';
return $output;
}
