Widget function that loads multiple items dynamically.

accordionWidget.php

public function widget( $args, $instance ) {
		//Load all items.
		$items = array();
		$identifier = 0;
		while(isset ($instance["title".$identifier]) ){
			array_push($items,
                new accordion_item(
                        $instance["title".$identifier],
				        $instance['text'.$identifier]
                )
            );
			$identifier++;
		}

		echo $args['before_widget'];

		echo "<div id='accordionWidget'>";
		foreach ($items as $item){
			?>
			<h3><?php echo $item->title; ?></h3>
			<div><?php echo $item->text; ?></div>
			<?php
		}
		echo "</div>";

		?>
        <script>
            jQuery(function(){
                jQuery("#accordionWidget").accordion();
            });
        </script>
        <?php
		echo $args['after_widget'];
	}