wordpress developer guide code example
Example: wordpress add widget developer
<?php
class My_Widget extends WP_Widget {
function __construct() {
parent::__construct(
'my-text',
'My Text'
);
add_action( 'widgets_init', function() {
register_widget( 'My_Widget' );
});
}
public $args = array(
'before_title' => '<h4 class="widgettitle">',
'after_title' => '</h4>',
'before_widget' => '<div class="widget-wrap">',
'after_widget' => '</div></div>'
);
public function widget( $args, $instance ) {
echo $args['before_widget'];
if ( ! empty( $instance['title'] ) ) {
echo $args['before_title'] . apply_filters( 'widget_title', $instance['title'] ) . $args['after_title'];
}
echo '<div class="textwidget">';
echo esc_html__( $instance['text'], 'text_domain' );
echo '</div>';
echo $args['after_widget'];
}
public function form( $instance ) {
$title = ! empty( $instance['title'] ) ? $instance['title'] : esc_html__( '', 'text_domain' );
$text = ! empty( $instance['text'] ) ? $instance['text'] : esc_html__( '', 'text_domain' );
?>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php echo esc_html__( 'Title:', 'text_domain' ); ?></label>
<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>">
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'Text' ) ); ?>"><?php echo esc_html__( 'Text:', 'text_domain' ); ?></label>
<textarea class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'text' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'text' ) ); ?>" type="text" cols="30" rows="10"><?php echo esc_attr( $text ); ?></textarea>
</p>
<?php
}
public function update( $new_instance, $old_instance ) {
$instance = array();
$instance['title'] = ( !empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';
$instance['text'] = ( !empty( $new_instance['text'] ) ) ? $new_instance['text'] : '';
return $instance;
}
}
$my_widget = new My_Widget();
?>