/**
* Singleton class
*/
public static function getInstance()
{
if (!self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
public function widget($args, $instance)
{
extract($args);
// global $paypal_donations;
$paypal_donations = PayPalDonations::getInstance();
// Get the settings
$title = apply_filters('widget_title', $instance['title']);
$text = $instance['text'];
$purpose = $instance['purpose'];
$reference = $instance['reference'];
echo $before_widget;
if ($title) {
echo $before_title . $title . $after_title;
}
if ($text) {
echo wpautop($text);
}
echo $paypal_donations->generateHtml($purpose, $reference);
echo $after_widget;
}
