WordPress Testimonial Widget - adds custom widget to WordPress Widget Dashboard

wordpress-testimonial-widget.php

/**
 * Creating custom Testimonial Widget Area
 */
class Testimonial_Widget extends WP_Widget {
	function Testimonial_Widget() {
		$widget_ops = array('classname' => 'testimonial_sidebar_widget', 'description' => 'Custom Testimonial Widget' );
		$this->WP_Widget('testimonial_widget', 'Testimonial Widget', $widget_ops);
	}
	function widget($args, $instance) {
		extract($args, EXTR_SKIP);
		echo $before_widget;
		$testimonial_content = empty($instance['testimonial_content']) ? ' ' : apply_filters('widget_testimonial_content', $instance['testimonial_content']);
		$testimonial_source = empty($instance['testimonial_source']) ? ' ' : apply_filters('widget_testimonial_source', $instance['testimonial_source']);
		echo '<blockquote>';
		echo '  <p>' . $testimonial_content . '</p>';
		echo '  <p>' . $testimonial_source . '</p>';
		echo '</blockquote>';
		echo $after_widget;
	}
	function update($new_instance, $old_instance) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['testimonial_content'] = strip_tags($new_instance['testimonial_content']);
		$instance['testimonial_source'] = strip_tags($new_instance['testimonial_source']);
		return $instance;
	}
	function form($instance) {
		$instance = wp_parse_args( (array) $instance, array( 'title' => '', 'testimonial_content' => '', 'testimonial_source' => '' ) );
		$testimonial_content = strip_tags($instance['testimonial_content']);
		$testimonial_source = strip_tags($instance['testimonial_source']);
?>
			<p><label for="<?php echo $this->get_field_id('testimonial_content'); ?>">Testimonial Content: <textarea class="widefat" id="<?php echo $this->get_field_id('testimonial_content'); ?>" name="<?php echo $this->get_field_name('testimonial_content'); ?>" type="text" cols="30" rows="4" /><?php echo attribute_escape($testimonial_content); ?></textarea></label></p>
			<p><label for="<?php echo $this->get_field_id('testimonial_source'); ?>">Testimonial Source: <input class="widefat" id="<?php echo $this->get_field_id('testimonial_source'); ?>" name="<?php echo $this->get_field_name('testimonial_source'); ?>" type="text" value="<?php echo attribute_escape($testimonial_source); ?>" /></label></p>
<?php
	}
}
register_widget('Testimonial_Widget');