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January 11, 2017 19:41
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Criação de widget
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<?php | |
// Creating the widget | |
class wpb_widget extends WP_Widget { | |
function __construct() { | |
parent::__construct( | |
// Base ID of your widget | |
'wpb_widget', | |
// Widget name will appear in UI | |
__('WPBeginner Widget', 'wpb_widget_domain'), | |
// Widget description | |
array( 'description' => __( 'Sample widget based on WPBeginner Tutorial', 'wpb_widget_domain' ), ) | |
); | |
} | |
// Creating widget front-end | |
// This is where the action happens | |
public function widget( $args, $instance ) { | |
$title = apply_filters( 'widget_title', $instance['title'] ); | |
// before and after widget arguments are defined by themes | |
echo $args['before_widget']; | |
if ( ! empty( $title ) ) | |
echo $args['before_title'] . $title . $args['after_title']; | |
// This is where you run the code and display the output | |
echo __( 'Hello, World!', 'wpb_widget_domain' ); | |
echo $args['after_widget']; | |
} | |
// Widget Backend | |
public function form( $instance ) { | |
if ( isset( $instance[ 'title' ] ) ) { | |
$title = $instance[ 'title' ]; | |
} | |
else { | |
$title = __( 'New title', 'wpb_widget_domain' ); | |
} | |
// Widget admin form | |
?> | |
<p> | |
<label for="<?php echo $this->get_field_id( '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 | |
} | |
// Updating widget replacing old instances with new | |
public function update( $new_instance, $old_instance ) { | |
$instance = array(); | |
$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : ''; | |
return $instance; | |
} | |
} // Class wpb_widget ends here | |
// Register and load the widget | |
function wpb_load_widget() { | |
register_widget( 'wpb_widget' ); | |
} | |
add_action( 'widgets_init', 'wpb_load_widget' ); ?> |
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