A simple widget for displaying posts from a tumblr widget.

Brooklyn Ink Tumblr Widget

<?php
/*
Plugin Name: Brooklyn Ink Tumblr Widget
Plugin URI: http://thebrooklynink.com
Description: A simple widget for displaying posts from a tumblr widget.
Author: Sam Guzik
Version: 1.0
Author URI: http://samguzik.com
*/

/**
 * tumblrFeed_Widget Class
 */
class tumblrFeed_Widget extends WP_Widget {
	/** constructor */
	function __construct() {
		parent::WP_Widget( /* Base ID */'tumblrFeed_widget', /* Name */'Tumblr Feed Widget', array( 'description' => 'A widget for displaying Tumblr feeds.' ) );
	}

	/** @see WP_Widget::widget */
	function widget( $args, $instance ) {
		extract( $args );
		$title = apply_filters( 'widget_title', $instance['title'] );
		$feed = apply_filters( 'widget_feed', $instance['feed'] );
		$link = apply_filters( 'widget_link', $instance['link'] );
		$count = apply_filters( 'widget_count', $instance['count'] );
		echo $before_widget;
		if ( !empty( $title ) ) { echo $before_title .'<a href="'.$link.'" target="_blank">' . $title .'</a>' . $after_title; }
		
		?>
		<div class="blogboxhib">
                <div class="blogtext">		
		
		<?php
		/** widget content begins here */

		$url = $feed; //where you can find the posts
		$xml = simplexml_load_file($url); //parse the tumblr API to get an object containing all of your posts

		$i = 0; //create a counter

		foreach( $xml->posts->post as $post ){ //create loop to process individual posts

  			if ( $i < $count ) { //check that the loop hasn't run before

    				if ( $post['type'] == 'regular' ) { //check what kind of post we're dealing with

                			$post_title = $post->{'regular-title'}; //create a variable to store the title
                			$post_body = $post->{'regular-body'}; //create a variable to store the body
                			$post_excerpt = substr( strip_tags($post_body),0,320 ); //substring the body text to get your excerpt (while simultaneously removing all html)

                			echo '<h6 class="hib-hed">' . $post_title . '</h6>'; //output your formatted title
                			echo '<p class="hib-text">' . $post_excerpt . '...</p>'; //output your formatted excerpt

    				} elseif ( $post['type'] == 'photo' ) {

                			$post_photo_src = $post->{'photo-url'}[3]; //create a variable to store the photo source (specifically, the small square one)
               				$post_photo_caption = $post->{'photo-caption'}; //create a variable to store the photo caption
                			$post_photo_caption_small = substr( strip_tags($post_photo_caption),0,410 ); //create a variable to store the photo caption


                			echo ' <img style="width:220px" src="'.$post_photo_src.'"> ' ; // output your photo
                			echo ' <p class="hib-caption">' . $post_photo_caption_small . ' <a href="http://www.thebrooklynink.tumblr.com">...Read More</a></p>'; // output your photo caption (small version)


    				} elseif ( $post['type'] == 'quote' ) {

                			$post_quote = $post->{'quote-text'}; //create a variable to store the quote
                			$post_source = $post->{'quote-source'}; //create a variable to store the source

                			echo ' <h5 class="hib-quote">' . $post_quote . '</h5>'; // output your quote
                			echo ' <p class="hib-source">' . $post_source . '</p>'; // output your source

    				} elseif ( $post['type'] == 'link' ) {

                			$post_link_url = $post->{'link-url'}; //create a variable to store the link url
                			$post_link_text = $post->{'link-text'}; //create a variable to store the link text
                			$post_link_description = $post->{'link-description'}; //create a variable to store the link description

                			echo ' <a href=" ' . $post_link_url . ' "><h6 class="hib-link">' . $post_link_text . '</h6></a>'; // output the link
                			echo ' <p class="hib-link-description">' . $post_link_description . '</p>'; // output your link description

        			} elseif ( $post['type'] == 'video' ) {

                			$post_video = $post->{'video-player'}[2]; //create a variable to store the video
                			$post_video_small = preg_replace('/(width)=("[^"]*")/i', 'width="220"', $post_video);
                			$post_video_caption = $post->{'video-caption'}; //create a variable to store the video caption

                			echo ' <p class="hib-video">' . $post_video_small . '</p>'; // output your video
                			echo ' <p class="hib-video-caption">' . $post_video_caption . '</p>'; // output your video blurb

       				} elseif ( $post['type'] == 'audio' ) {

                			$post_audio_player = $post->{'audio-player'}; //create a variable to store the audio
                			$post_audio_caption = $post->{'audio-caption'}; //create a variable to store the audio caption

                			echo ' <p class="hib-audio">' . $post_audio_player . '</p>'; // output your video
                			echo ' <p class="hib-audio-caption">' . $post_audio_caption . '</p>'; // output your audio blurb

    				} elseif ( $post['type'] == 'conversation' ) {

                			$post_conversation_title = $post->{'conversation-title'}[2]; //create a variable to store the conversation title
                			$post_conversation = $post->{'conversation'}; //create a variable to store the conversation itself

                			echo ' <h6 class="hib-conversation_title">' . $post_conversation_title . '</h6>'; // output your conversation title
               				echo ' <p class="hib-conversation">' . $post_conversation . '</p>'; // output your conversation

    				} else {

                			echo 'YOU MESSED UP!';

    				}

       			$i++; //shorthand for $i = $i + 1

  			}

		}	



		/** widget content ends here */
		
		?>
	
		<a href="<?php echo $link; ?>"><p align="right"><strong>Read more of <?php echo $title; ?> &raquo;</strong></p></a>

	
		</div>
		</div>

		<?php 
		echo $after_widget;
	}

	/** @see WP_Widget::update */
	function update( $new_instance, $old_instance ) {
		$instance = $old_instance;
		$instance['title'] = strip_tags($new_instance['title']);
		$instance['feed'] = strip_tags($new_instance['feed']);
		$instance['link'] = strip_tags($new_instance['link']);
		$instance['count'] = strip_tags($new_instance['count']);
		return $instance;
	}

	/** @see WP_Widget::form */
	function form( $instance ) {
		if ( $instance ) {
			$title = esc_attr( $instance[ 'title' ] );
			$feed = esc_attr( $instance[ 'feed' ] );
			$link = esc_attr( $instance[ 'link' ] );
			$count = esc_attr( $instance[ 'count'] );
		}
		else {
			$title = __( 'New title', 'text_domain' );
			$feed = __( 'http://', 'text_domain' );
			$link = __( 'http://', 'text_domain' );
			$count = __( '1', 'text_domain');
		}
		?>
		<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; ?>" />
		<label for="<?php echo $this->get_field_id('feed'); ?>"><?php _e('Feed:'); ?></label>
		<input class="widefat" id="<?php echo $this->get_field_id('feed'); ?>" name="<?php echo $this->get_field_name('feed'); ?>" type="text" value="<?php echo $feed; ?>"/>
		 <label for="<?php echo $this->get_field_id('link'); ?>"><?php _e('Read More Link:'); ?></label>
                <input class="widefat" id="<?php echo $this->get_field_id('link'); ?>" name="<?php echo $this->get_field_name('link'); ?>" type="text" value="<?php echo $link; ?>"/>
		<label for="<?php echo $this->get_field_id('count'); ?>"><?php _e('Items to Display:'); ?></label>
                <input id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>" type="text" value="<?php echo $count; ?>"/>
		</p>
		<?php 
	}

} // class Foo_Widget

// register Foo_Widget widget
add_action( 'widgets_init', create_function( '', 'register_widget("tumblrFeed_widget");' ) );

?>