<?php

class PlugRush_Widget extends WP_Widget
{
    public function __construct()
    {
        $widgetname = apply_filters( 'plugrush_widget', 'PlugRush Widget' );
        parent::__construct(
            'unfiltered_text'
        ,   $widgetname
        ,   array( 'description' => 'Plug Rush Iframe Text Widget' )
        ,   array( 'width' => 300, 'height' => 150 )
        );
    }

    public function widget( $args, $instance )
    {
        echo $instance['text'];
    }

    public function update( $new_instance, $old_instance )
    {
        return $new_instance;
    }

    public function form( $instance )
    {
        $instance = wp_parse_args( (array) $instance, array( 'text' => '' ) );
        $text     = format_to_edit($instance['text']);
?>
        <textarea class="widefat" rows="7" cols="20" id="<?php
            echo $this->get_field_id( 'text' );
        ?>" name="<?php
            echo $this->get_field_name( 'text' );
        ?>"><?php
            echo $text;
        ?></textarea>
<?php
    }
}

add_action( 'widgets_init', 'register_unfiltered_text_widget', 20 );

function register_unfiltered_text_widget()
{
    register_widget( 'PlugRush_Widget' );
}