Simple WP Widget

messager.php

<?php
error_reporting(E_ALL);
/*
Plugin Name: Messager Widget
Plugin URI: http://www.hazardouswasteexperts.com/
Description: A example of how to make a WordPress widget
Author: Jason Jones
Author URI: http://www.hazardouswasteexperts.com/
Version 1.0
*/

class Messager extends WP_Widget
{

	public function __construct()
	{
		//Set attributes of the widget
		$params = array(
			'description' 	=> 'Display message to readers',
			'name' 			=> 'Messager'
		);

		parent::__construct('Messager', '', $params);
	}

	//Creates the textbox in the widget area
	public function form($instance)
	{
		extract($instance);
		?>
		<p>
			<label for="<?php echo $this->get_field_id('title');?>">Title: </label>
			<!-- Add the widefat class to make the text span the entire width of widget-->
			<input 
				class="widefat" 
				id="<?php echo $this->get_field_id('title');?>" 
				name="<?php echo $this->get_field_name('title');?>" 
				value="<?php if(isset($title)) echo esc_attr($title);?>"
			>
		</p>
		<p>
			<label for="<?php echo $this->get_field_id('description');?>">Description: </label>
			<!-- Add the widefat class to make the text span the entire width of widget-->
			<textarea 
				class="widefat" 
				id="<?php echo $this->get_field_id('description');?>" 
				name="<?php echo $this->get_field_name('description');?>"><?php if(isset($description)) echo esc_attr($description);?>
			</textarea>
		</p>

		<?php
	}


	public function widget($args, $instance)
	{
		extract($args);
		extract($instance);

		$title = apply_filters('widget_title', $title);
		$description = apply_filters('widget_description', $description);

		echo $before_widget;
			echo $before_title. $title . $after_title;				
				echo "<p>". $description. "<p>";
		echo $after_widget;
	}
}

//Add widget to the available widgets area
add_action('widgets_init', function(){
	register_widget('Messager');
});