Example:
<?php
class Checkbox_Fields_Widget extends WP_Widget {
function __construct() {
// Instantiate the parent object
$widget_ops = array(
'classname' => 'widget_checkbox_fields_entries',
'description' => esc_attr__('Checkbox Field Widget - Created by deshisoft', 'eye-theme')
);
$control_ops = array(
'width' => 275
);
parent::__construct( false, 'Checkbox Field Widget', $widget_ops, $control_ops );
}
function widget( $args, $instance ) {
extract( $args );
// Widget output
$title = apply_filters('widget_title', $instance['title']);
$checkbox = apply_filters('widget_checkbox', $instance['checkbox']);
echo $before_widget;
echo '<div style="border:1px solid #ddd; background:#f6f6f6;padding:15px;">';
echo esc_attr($title);
echo esc_attr($checkbox);
echo '</div>';
echo $after_widget;
}
function update( $new_instance, $old_instance ) {
// Save widget options
$instance = array();
$instance = $old_instance;
$instance['title'] = strip_tags( $new_instance['title'] );
$instance['checkbox'] = strip_tags( $new_instance['checkbox'] );
return $instance;
}
function form( $instance ) {
// Output admin widget options form
$title = $instance['title'];
$checkbox = $instance['checkbox']; ?>
<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 $title; ?>" /></p>
<?php _e('Checkbox : '); ?>
<p><input type="checkbox" name="<?php echo $this->get_field_name('checkbox'); ?>" value="1" <?php checked('1', $checkbox); ?> />
<label>Yes</label></p>
<?php
}
}
function checkbox_field_register_widgets() {
register_widget( 'Checkbox_Fields_Widget' );
}
add_action( 'widgets_init', 'checkbox_field_register_widgets' );
?>
Theme Folder -> function.php
Add this line:
require get_template_directory() . '/inc/checkbox_widget.php'; // inc folder name depend on your theme.