Twitter Widget

twitter_widget.php

<?php
//Custom Twitter Widget by George
class speck_twitter_widget extends WP_Widget {

	public function __construct() {
		parent::__construct(
	 		'speck_twitter_widget', // Base ID
			'Speck Twitter Widget',
			array( 'description' => __( 'A widget to display the most recent tweet from Speck!', 'speck_twitter_widget' ), )
		);
	}

 	public function form( $instance ) {
		$title = isset( $instance[ 'title' ] ) ? $instance[ 'title' ] : __( 'Latest Tweet', 'speck_twitter_widget' );
		$handle = isset( $instance[ 'handle' ] ) ? $instance[ 'handle' ] : 'speckproducts';
		?>
		<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 esc_attr( $title ); ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id( 'handle' ); ?>"><?php _e( 'Handle:' ); ?></label> 
			<input class="widefat" id="<?php echo $this->get_field_id( 'handle' ); ?>" name="<?php echo $this->get_field_name( 'handle' ); ?>" type="text" value="<?php echo esc_attr( $handle ); ?>" />
		</p>
		<?php 
	}

	public function update( $new_instance, $old_instance ) {
		$instance = array();
		$instance['title'] = strip_tags( $new_instance['title'] );
		$instance['handle'] = strip_tags( $new_instance['handle'] );
		return $instance;
	}

	public function widget( $args, $instance ) {
		extract( $args );
		$title = apply_filters( 'widget_title', $instance['title'] );
		$handle = $instance['handle'];
		$tweet = self::get_latest_tweet( $handle );
		if( is_wp_error( $tweet ) ) return;

		echo $before_widget;
		if ( ! empty( $title ) ) echo $before_title . $title . $after_title;
		echo '<div class="tweet">';
		echo wpautop( make_clickable( self::twitterify( $tweet->text ) ) );
		echo '</div>';
		echo '<p class="tweet-links">'
			.'<a href="https://twitter.com/intent/tweet?in_reply_to='.$tweet->id.'">Reply</a> &bull; '
			.'<a href="https://twitter.com/intent/retweet?tweet_id='.$tweet->id.'">Retweet</a> &bull; '
			.'<a href="https://twitter.com/intent/favorite?tweet_id='.$tweet->id.'">Favorite</a> &bull; '
			.'<a href="https://twitter.com/intent/user?user_id='.$tweet->user->id.'">Follow</a>'
			.'</p>';
		echo $after_widget;
	}
	
	public function get_latest_tweet( $handle, $minutes_to_save = 5 ) {
		$minutes_to_save = (int) $minutes_to_save;
		$transient_name = __CLASS__.'_'.$handle.'_latest_tweets';
		if ( false === ( $value = get_transient( $transient_name ) ) ) {
			if( !class_exists( 'WP_Http' ) ) require_once( ABSPATH . WPINC . '/class-http.php' );
			$wp_http = new WP_Http;
			$response = $wp_http->request( 'http://api.twitter.com/1/statuses/user_timeline/'.$handle.'.json' );
			if( is_wp_error( $response ) ) return $response;
			$value = $response['body'];
			set_transient( $transient_name, $value, 60*$minutes_to_save );
		}
		$json = json_decode( $value );
		return array_shift( $json );
	}
	
	function twitterify($ret) {
		$ret = preg_replace("#(^|[\n ])([\w]+?://[\w]+[^ \"\n\r\t< ]*)#", "\\1<a href=\"\\2\" target=\"_blank\">\\2</a>", $ret);
		$ret = preg_replace("#(^|[\n ])((www|ftp)\.[^ \"\t\n\r< ]*)#", "\\1<a href=\"//\\2\" target=\"_blank\">\\2</a>", $ret);
		$ret = preg_replace("/@(\w+)/", "<a href=\"//www.twitter.com/\\1\" target=\"_blank\">@\\1</a>", $ret);
		$ret = preg_replace("/#(\w+)/", "<a href=\"//search.twitter.com/search?q=\\1\" target=\"_blank\">#\\1</a>", $ret);
		return $ret;
	}

}
register_widget( 'speck_twitter_widget' );