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Viewing / Editing File: tweets-widget.php

<?php
add_action('widgets_init', 'tweets_load_widgets');

function tweets_load_widgets()
{
	register_widget('Tweets_Widget');
}

class Tweets_Widget extends WP_Widget {
	
	function Tweets_Widget()
	{
		$widget_ops = array('classname' => 'tweets', 'description' => 'Tweets widget let you display Twitter updates.');

$control_ops = array('id_base' => 'tweets-widget');

$this->WP_Widget('tweets-widget', 'Avenue: Twitter', $widget_ops, $control_ops);
	}
	
	function widget($args, $instance)
	{
		extract($args);
		$title = apply_filters('widget_title', $instance['title']);
		$consumer_key = $instance['consumer_key'];
		$consumer_secret = $instance['consumer_secret'];
		$access_token = $instance['access_token'];
		$access_token_secret = $instance['access_token_secret'];
		$twitter_id = $instance['twitter_id'];
		$count = $instance['count'];
		$follow = $instance['follow'];

echo $before_widget;
		
		if($title) {
			echo $before_title.$title.$after_title;
		}
		
		if($twitter_id && $consumer_key && $consumer_secret && $access_token && $access_token_secret && $count) { 
		$transName = 'list_tweets_'.$args['widget_id'];
		$cacheTime = 10;
		if(false === ($twitterData = get_transient($transName))) {
		     // require the twitter auth class
		     @require_once 'twitteroauth/twitteroauth.php';
		     $twitterConnection = new TwitterOAuth(
							$consumer_key,	// Consumer Key
							$consumer_secret,   	// Consumer secret
							$access_token,       // Access token
							$access_token_secret    	// Access token secret
							);
		    $twitterData = $twitterConnection->get(
							  'statuses/user_timeline',
							  array(
							    'screen_name'     => $twitter_id,
							    'count'           => $count,
							    'exclude_replies' => false
							  )
							);
		     if($twitterConnection->http_code != 200)
		     {
		          $twitterData = get_transient($transName);
		     }

// Save our new transient.
		     set_transient($transName, $twitterData, 60 * $cacheTime);
		};
		$twitter = get_transient($transName);
		if($twitter && is_array($twitter)) {
			//var_dump($twitter);
			
		?>

<ul id="tweets" class="tweets">
			<?php foreach($twitter as $tweet): ?>
			<li class="tweet">
				<span class="tweet-text">
				<?php
				$latestTweet = $tweet->text;
				$latestTweet = preg_replace('/http:\/\/([a-z0-9_\.\-\+\&\!\#\~\/\,]+)/i', '&nbsp;<a href="http://$1" target="_blank">http://$1</a>&nbsp;', $latestTweet);
				$latestTweet = preg_replace('/@([a-z0-9_]+)/i', '&nbsp;<a href="http://twitter.com/$1" target="_blank">@$1</a>&nbsp;', $latestTweet);
				echo $latestTweet;
				//echo $this->make_clickable($latestTweet);
				?>
				</span>
				<?php
				$twitterTime = strtotime($tweet->created_at);
				$timeAgo = $this->ago($twitterTime);
				?>
				<a href="http://twitter.com/<?php echo $tweet->user->screen_name; ?>/statuses/<?php echo $tweet->id_str; ?>" class="jtwt_date"><?php echo $timeAgo; ?></a>
			</li>
			<?php endforeach; ?>
		</ul>
		<p class='follow-message'><a href='http://twitter.com/<?php echo $twitter_id; ?>'><?php echo $follow; ?></a></p>
		
		<?php }}
		
		echo $after_widget;
	}
	
	function ago($time)
	{
	   $periods = array("second", "minute", "hour", "day", "week", "month", "year", "decade");
	   $lengths = array("60","60","24","7","4.35","12","10");

$now = time();

$difference     = $now - $time;
	       $tense         = "ago";

for($j = 0; $difference >= $lengths[$j] && $j < count($lengths)-1; $j++) {
	       $difference /= $lengths[$j];
	   }

$difference = round($difference);

if($difference != 1) {
	       $periods[$j].= "s";
	   }

return "$difference $periods[$j] ago ";
	}

function make_clickable($tweet)
	{
		// Convert URLs into links
		$tweet = make_clickable($tweet);
		
		// Convert usernames to links
		$tweet = preg_replace("/[@]+([A-Za-z0-9-_]+)/", "<a href=\"http://twitter.com/\\1\" target=\"_blank\">\\0</a>", $tweet);
		
		// Convert hashtags to links
		$tweet = preg_replace("/[#]+([A-Za-z0-9-_]+)/", "<a href=\"http://twitter.com/search?q=%23\\1\" target=\"_blank\">\\0</a>", $tweet);

return $tweet;
	}

function update($new_instance, $old_instance)
	{
		$instance = $old_instance;

$instance['title'] = strip_tags($new_instance['title']);
		$instance['consumer_key'] = $new_instance['consumer_key'];
		$instance['consumer_secret'] = $new_instance['consumer_secret'];
		$instance['access_token'] = $new_instance['access_token'];
		$instance['access_token_secret'] = $new_instance['access_token_secret'];
		$instance['twitter_id'] = $new_instance['twitter_id'];
		$instance['count'] = $new_instance['count'];
		$instance['follow'] = $new_instance['follow'];

return $instance;
	}

function form($instance)
	{
		$defaults = array('title' => 'Recent Tweets', 'twitter_id' => '', 'count' => 3, 'follow' => 'Follow me on Twitter');
		$instance = wp_parse_args((array) $instance, $defaults); ?>
		
		<p><a href="http://dev.twitter.com/apps">Find or Create your Twitter App</a></p>
		<p>
			<label for="<?php echo $this->get_field_id('title'); ?>">Title:</label>
			<input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" value="<?php echo $instance['title']; ?>" />
		</p>

<p>
			<label for="<?php echo $this->get_field_id('consumer_key'); ?>">Consumer Key:</label>
			<input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('consumer_key'); ?>" name="<?php echo $this->get_field_name('consumer_key'); ?>" value="<?php echo $instance['consumer_key']; ?>" />
		</p>
		
		<p>
			<label for="<?php echo $this->get_field_id('consumer_secret'); ?>">Consumer Secret:</label>
			<input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('consumer_secret'); ?>" name="<?php echo $this->get_field_name('consumer_secret'); ?>" value="<?php echo $instance['consumer_secret']; ?>" />
		</p>

<p>
			<label for="<?php echo $this->get_field_id('access_token'); ?>">Access Token:</label>
			<input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('access_token'); ?>" name="<?php echo $this->get_field_name('access_token'); ?>" value="<?php echo $instance['access_token']; ?>" />
		</p>

<p>
			<label for="<?php echo $this->get_field_id('access_token_secret'); ?>">Access Token Secret:</label>
			<input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('access_token_secret'); ?>" name="<?php echo $this->get_field_name('access_token_secret'); ?>" value="<?php echo $instance['access_token_secret']; ?>" />
		</p>
		
		<p>
			<label for="<?php echo $this->get_field_id('twitter_id'); ?>">Twitter ID:</label>
			<input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('twitter_id'); ?>" name="<?php echo $this->get_field_name('twitter_id'); ?>" value="<?php echo $instance['twitter_id']; ?>" />
		</p>

<label for="<?php echo $this->get_field_id('count'); ?>">Number of Tweets:</label>
			<input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('count'); ?>" name="<?php echo $this->get_field_name('count'); ?>" value="<?php echo $instance['count']; ?>" />
		</p>
		<p>
			<label for="<?php echo $this->get_field_id('follow'); ?>">Follow message:</label>
			<input class="widefat" style="width: 216px;" id="<?php echo $this->get_field_id('follow'); ?>" name="<?php echo $this->get_field_name('follow'); ?>" value="<?php echo $instance['follow']; ?>" />
		</p>

<?php
	}
}
?>

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