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WordPress: Init Widget
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/** | |
* Adds Foo_Widget widget. | |
*/ | |
class Foo_Widget extends WP_Widget { | |
/** | |
* Register widget with WordPress. | |
*/ | |
public function __construct() { | |
$widget_ops = array('classname' => 'foo-widget', 'description' => __('Display Foo_Widget', kopa_get_domain())); | |
$control_ops = array('width' => 'auto', 'height' => 'auto'); | |
parent::__construct('widget_foo', __('Foo Widget', 'text_domain'), $widget_ops, $control_ops); | |
} | |
/** | |
* 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 ); | |
$title = apply_filters( 'widget_title', $instance['title'] ); | |
echo $before_widget; | |
if ( ! empty( $title ) ) | |
echo $before_title . $title . $after_title; | |
echo __( 'Hello, World!', 'text_domain' ); | |
echo $after_widget; | |
} | |
/** | |
* Back-end widget form. | |
* | |
* @see WP_Widget::form() | |
* | |
* @param array $instance Previously saved values from database. | |
*/ | |
public function form( $instance ) { | |
if ( isset( $instance[ 'title' ] ) ) { | |
$title = $instance[ 'title' ]; | |
} | |
else { | |
$title = __( 'New title', 'text_domain' ); | |
} | |
?> | |
<p> | |
<label for="<?php echo $this->get_field_name( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> | |
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" /> | |
</p> | |
<?php | |
} | |
/** | |
* 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(); | |
$instance['title'] = ( !empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : ''; | |
return $instance; | |
} | |
} // class Foo_Widget |
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