Example:
<?php
class Radio_Fields_Widget extends WP_Widget {
function __construct() {
// Instantiate the parent object
$widget_ops = array(
'classname' => 'widget_radio_fields_entries',
'description' => esc_attr__('Radio Field Widget - Created by deshisoft', 'eye-theme')
);
$control_ops = array(
'width' => 275
);
parent::__construct( false, 'Radio Field Widget', $widget_ops, $control_ops );
}
function widget( $args, $instance ) {
extract( $args );
// Widget output
$title = apply_filters('widget_title', $instance['title']);
$radio = apply_filters('widget_radio', $instance['radio']);
echo $before_widget;
echo '<div style="border:1px solid #ddd; background:#f6f6f6;padding:15px;">';
echo esc_attr($title);
echo '<br/>';
echo esc_attr($radio);
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['radio'] = strip_tags( $new_instance['radio'] );
return $instance;
}
function form( $instance ) {
// Output admin widget options form
$title = $instance['title'];
$radio = $instance['radio']; ?>
<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>
<p><label for="<?php echo $this->get_field_id('radio_option_1'); ?>"><?php _e('Option 1:'); ?>
<input class="" id="<?php echo $this->get_field_id('radio_option_1'); ?>" name="<?php echo $this->get_field_name('radio'); ?>" type="radio" value="radio_option_1" <?php if($radio === 'radio_option_1'){ echo 'checked="checked"'; } ?> /></label><br>
<label for="<?php echo $this->get_field_id('radio_option_2'); ?>"><?php _e('Option 2:'); ?>
<input class="" id="<?php echo $this->get_field_id('radio_option_2'); ?>" name="<?php echo $this->get_field_name('radio'); ?>" type="radio" value="radio_option_2" <?php if($radio === 'radio_option_2'){ echo 'checked="checked"'; } ?> /></label></p>
<?php
}
}
function radio_field_register_widgets() {
register_widget( 'Radio_Fields_Widget' );
}
add_action( 'widgets_init', 'radio_field_register_widgets' );
?>
Theme Folder -> function.php
Add this line:
require get_template_directory() . '/inc/radio_widget.php'; // inc folder name depend on your theme.