/**
* Generate HTML for a single Like Button
*
* @param array $options like button options
* @return string HTML div for use with the JavaScript SDK
*/
function facebook_get_like_button($options = array())
{
if (!class_exists('Facebook_Like_Button')) {
require_once dirname(__FILE__) . '/class-facebook-like-button.php';
}
$like_button = Facebook_Like_Button::fromArray($options);
if (!$like_button) {
return '';
}
$html = $like_button->asHTML(array('class' => array('fb-social-plugin')));
if ($html) {
return "\n" . $html . "\n";
}
return '';
}
/**
* Sanitize widget form values as they are saved.
*
* @see WP_Widget::update()
*
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
*
* @return array Updated safe values to be saved.
*/
public function update($new_instance, $old_instance)
{
$instance = array();
if (!empty($new_instance['title'])) {
$instance['title'] = strip_tags($new_instance['title']);
}
if (!class_exists('Facebook_Like_Button')) {
require_once dirname(dirname(__FILE__)) . '/class-facebook-like-button.php';
}
$like_button = Facebook_Like_Button::fromArray($new_instance);
if ($like_button) {
if (!class_exists('Facebook_Like_Button_Settings')) {
require_once dirname(dirname(dirname(__FILE__))) . '/admin/settings-like-button.php';
}
return array_merge($instance, Facebook_Like_Button_Settings::html_data_to_options($like_button->toHTMLDataArray()));
}
return $instance;
}
/**
* Sanitize Like Button settings before they are saved to the database
*
* @since 1.1
* @param array $options Like Button options
* @return array clean option sets. note: we remove Like Button social plugin default options, storing only custom settings (e.g. dark color scheme stored, light is default and therefore not stored)
*/
public static function sanitize_options($options)
{
if (!is_array($options) || empty($options)) {
return array();
}
self::require_like_button_builder();
// Handle like button display preferences first
$clean_options = parent::sanitize_options($options);
if (isset($clean_options['show_on'])) {
self::update_display_conditionals('like', $clean_options['show_on'], self::get_show_on_choices('all'));
unset($clean_options['show_on']);
}
unset($options['show_on']);
$like_button = Facebook_Like_Button::fromArray($options);
if ($like_button) {
$like_button->validate();
return array_merge($clean_options, self::html_data_to_options($like_button->toHTMLDataArray()));
}
return $clean_options;
}
/**
* Sanitize widget form values as they are saved.
*
* @see WP_Widget::update()
*
* @since 1.0
*
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
*
* @return array Updated safe values to be saved.
*/
public function update($new_instance, $old_instance)
{
$instance = array();
$new_instance = (array) $new_instance;
if (!empty($new_instance['title'])) {
$instance['title'] = strip_tags($new_instance['title']);
}
foreach (array('share', 'show_faces') as $bool_option) {
if (isset($new_instance[$bool_option])) {
$new_instance[$bool_option] = true;
} else {
$new_instance[$bool_option] = false;
}
}
if (!class_exists('Facebook_Like_Button')) {
require_once dirname(dirname(__FILE__)) . '/class-facebook-like-button.php';
}
$like_button = Facebook_Like_Button::fromArray($new_instance);
if ($like_button) {
if (!class_exists('Facebook_Like_Button_Settings')) {
require_once dirname(dirname(dirname(__FILE__))) . '/admin/settings-like-button.php';
}
return array_merge($instance, Facebook_Like_Button_Settings::html_data_to_options($like_button->toHTMLDataArray()));
}
return $instance;
}
