FB events

<?php
/*
Plugin Name: FOSS events
Plugin URI: http://foss.hr/
Description: FOSS.hr - Facebook events plugin
Author: Ivan Miletic
Version: 0.1
*/


function widget_foss_events() {
    $arr = array("146484685417821", "216357155045991", "194868703891407", "192361117473020", "169587856429569");
    if(empty($arr)) {
    // if $arr empty do nothing
    }
    else {
    // if data is present in $arr

?>
    <div class="widget-container">
        <h3 class="widget-title">Događ‘anja</h3>
        <ul>
<?php
        foreach ($arr as $value) {

            $jsonurl = "https://graph.facebook.com/" .$value;
            $json = file_get_contents($jsonurl,0,null,null);
            $json_output = json_decode($json);
            $event_name = $json_output->name;
            $event_time = strtotime($json_output->start_time);
            $now = time();
            if($now < $event_time) {
                // checks if event has passed or ivalid
?>
            <li><a class="events-box" href="<?php bloginfo('url'); ?>/wordpress/wp-content/plugins/foss-events/show-event.php?show=event&amp;id=<?php echo $value; ?>"><?php echo $event_name; ?></a></li>
<?php
            }
            else {
            // do nothing if event passed or invalid
            }
        }
?>
        </ul>
    </div>
<?php
    }
}

function foss_events_init()
{
  register_sidebar_widget(__('FOSS events'), 'widget_foss_events');
}
add_action("plugins_loaded", "foss_events_init");

?>