echo the Widget Content * **public function form($instance)** -> echo the Settings of the Widget * * @author Stefan Herndler * @since 1.5.0 */ abstract class MCI_Footnotes_WidgetBase extends WP_Widget { /** * Returns an unique ID as string used for the Widget Base ID. * * @author Stefan Herndler * @since 1.5.0 * @return string */ abstract protected function getID(); /** * Returns the Public name of child Widget to be displayed in the Configuration page. * * @author Stefan Herndler * @since 1.5.0 * @return string */ abstract protected function getName(); /** * Returns the Description of the child widget. * * @author Stefan Herndler * @since 1.5.0 * @return string */ abstract protected function getDescription(); /** * Returns the width of the Widget. Default width is 250 pixel. * * @author Stefan Herndler * @since 1.5.0 * @return int */ protected function getWidgetWidth() { return 250; } /** * Class Constructor. Registers the child Widget to WordPress. * * @author Stefan Herndler * @since 1.5.0 * * - Update: replace deprecated function WP_Widget() with recommended __construct(), thanks to @dartiss code contribution. * * @since 1.6.4 * @contributor @dartiss * @link https://plugins.trac.wordpress.org/browser/footnotes/trunk/class/widgets/base.php?rev=1445720 * “The called constructor method for WP_Widget in MCI_Footnotes_Widget_ReferenceContainer is deprecated since version 4.3.0! Use __construct() instead.” */ public function __construct() { $l_arr_WidgetOptions = array("classname" => __CLASS__, "description" => $this->getDescription()); $l_arr_ControlOptions = array("id_base" => strtolower($this->getID()), "width" => $this->getWidgetWidth()); // registers the Widget parent::__construct( strtolower($this->getID()), // unique ID for the widget, has to be lowercase $this->getName(), // Plugin name to be displayed $l_arr_WidgetOptions, // Optional Widget Options $l_arr_ControlOptions // Optional Widget Control Options ); } }