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<?phpclass iCalendar extends Plugin{	const VERSION = '1.0';		public function info()	{		return array(			'name' => 'iCalendar', 			'url' => 'http://robinadr.com/projects/icalendar', 			'author' => 'rob1n', 			'authorurl' => 'http://robinadr.com/', 			'version' => self::VERSION, 			'description' => 'Provides an iCalendar feed of events on your blog that you can subscribe to in Google Calendar, iCal, or other calendar software.', 			'license' => 'GPL 2.0'		);	}		public function filter_rewrite_rules( $rules )	{		$rules[] = RewriteRule::create_url_rule( '"icalendar"', 'iCalendar', 'calendar' );		return $rules;	}		public function act( $action )	{		switch ( $action ) {			case 'calendar' :				self::calendar();			break;		}	}		public function calendar()	{		require_once dirname( __FILE__ ) . '/bennu/bennu.inc.php';				$ical = new iCalendar;				$posts = Posts::get( array( 'content_type' => 'entry', 'status' => Post::status( 'published' ), 'nolimit' => true, 'orderby' => 'date ASC' ) );				foreach ( $posts as $post ) {			$e = new iCalendar_event;						$e->add_property( 'uid', $post->guid );			$e->add_property( 'summary', 'New Post: ' . $post->title );			$e->add_property( 'description', $post->content );			$e->add_property( 'attach', $post->permalink );						$e->add_property( 'dtstart', $post->pubdate );			$e->add_property( 'dtend', $post->pubdate );						$ical->add_component( $e );			unset( $e );		}				unset( $posts );				$pages = Posts::get( array( 'content_type' => 'page', 'status' => Post::status( 'published' ), 'nolimit' => true, 'orderby' => 'date ASC' ) );				foreach ( $pages as $post ) {			$e = new iCalendar_event;						$e->add_property( 'uid', $post->guid );			$e->add_property( 'summary', 'New Page: ' . $post->title );			$e->add_property( 'description', $post->content );			$e->add_property( 'attach', $post->permalink );						$e->add_property( 'dtstart', $post->pubdate );			$e->add_property( 'dtend', $post->pubdate );						$ical->add_component( $e );			unset( $e );		}				unset( $pages );				$comments = Comments::get( array( 'status' => Comment::STATUS_APPROVED ) );				foreach ( $comments as $comment ) {			$e = new iCalendar_event;						$e->add_property( 'summary', 'New Comment on ' . Post::get( array( 'id' => $comemnt->post_id ) );			$e->add_property( 'description', 'Comment by ' . $comment->name . ' (' . $comment->email . ' / ' . $comment->url . ' / ' . $comment->ip . "\n\n" . $comment->content );			$e->add_property( 'attach', $comment->permalink );						$e->add_property( 'dtstart', $comment->pubdate );			$e->add_property( 'dtend', $comment->pubdate );						$ical->add_component( $e );			unset( $e );		}				unset( $comments );				ob_clean();				header( 'Content-Type: text/calendar' );				echo $ical->serialize();	}}?>