Syntax Error: Unexpected T_STRING

I have an unexpected T_STRING error on line 170. What is wrong?

<?php
// Create a social widget
class wpex_social_widget extends WP_Widget {
 
    /** constructor */
    function wpex_social_widget() {
       parent::WP_Widget(false, $name = 'Social Widget');
    }
 
    /** @see WP_Widget::widget */
    function widget($args, $instance) {	
        extract( $args );
        $title				= apply_filters('widget_title', $instance['title']);
        $style 			= $instance['style'];
		$target				= $instance['target'];
		$size				= $instance['size'];
		$social_services	= $instance['social_services']; ?>
		<?php echo $before_widget; ?>
            <?php if ( $title )
                  echo $before_title . $title . $after_title; ?>
                    <ul class="wpex-social-widget-output">
                        <?php foreach( $social_services as $key => $service ) { ?>
							<?php $link = !empty( $service['url'] ) ? $service['url'] : null; ?>
                            <?php $name = $service['name']; ?>
                            <?php if ( $link ) { ?>
                                <?php echo '<li><a href="'. $link .'" title="'. $name .'" target="_'.$target.'"><img src="'. get_template_directory_uri() .'/images/social-color/'. strtolower ($name) .'.png" alt="'. $name .'" style="width:'.$size.';height='.$size.';" /></a></li>'; ?>
                            <?php } ?>
                        <?php } ?>
                    </ul>
        <?php echo $after_widget; ?>
        <?php
    }
 
    /** @see WP_Widget::update */
    function update( $new, $old ) {	
		$instance = $old;
		$instance['title'] 			= !empty( $new['title'] ) ? strip_tags( $new['title'] ) : null;
		$instance['style'] 			= !empty( $new['style'] ) ? strip_tags( $new['style'] ) : 'color-square';
		$instance['target'] 			= !empty( $new['target'] ) ? strip_tags( $new['target'] ) : 'blank';
		$instance['size'] 				= !empty( $new['size'] ) ? strip_tags( $new['size'] ) : '32px';
		$instance['social_services']	= $new['social_services'];
		return $instance;
    }
 
    /** @see WP_Widget::form */
    function form($instance) {
		$defaults =  array(
			'title'				=> __('Follow Us','wpex'),
			'style'				=> 'color-square',
			'target' 			=> 'blank',
			'size'				=> '30px',
			'social_services'	=> array(
					'dribbble'		=> array(
						'name'		=> 'Dribbble',
						'url'		=> ''
					),
					'facebook'		=> array(
						'name'		=> 'Facebook',
						'url'		=> ''
					),
					'flickr'			=> array(
						'name'		=> 'Flickr',
						'url'		=> ''
					),
					'forrst'		=> array(
						'name'		=> 'Forrst',
						'url'		=> ''
					),
					'github'		=> array(
						'name'		=> 'GitHub',
						'url'		=> ''
					),
					'googleplus'	=> array(
						'name'		=> 'GooglePlus',
						'url'		=> ''
					),
					'instagram'		=> array(
						'name'		=> 'Instagram',
						'url'		=> ''
					),
					'linkedin' 		=> array(
						'name'		=> 'LinkedIn',
						'url'		=> ''
					),
					'pinterest' 	=> array(
						'name'		=> 'Pinterest',
						'url'		=> ''
					),
					'rss' 			=> array(
						'name'		=> 'RSS',
						'url'		=> ''
					),
					'tumblr' 		=> array(
						'name'		=> 'Tumblr',
						'url'		=> ''
					),
					'twitter' 		=> array(
						'name'		=> 'Twitter',
						'url'		=> ''
					),
					'vimeo' 		=> array(
						'name'		=> 'Vimeo',
						'url'		=> ''
					),
					'youtube' 		=> array(
						'name'		=> 'Youtube',
						'url'		=> ''
					),
			),
		);
		
			$instance = wp_parse_args( (array) $instance, $defaults ); ?>
         
         <p>
          <label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:','wpex'); ?></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 $instance['title']; ?>" />
        </p>
        
        <p>
            <label for="<?php echo $this->get_field_id('target'); ?>"><?php _e('Link Target:', 'wpex'); ?></label>
            <br />
            <select class='wpex-widget-select' name="<?php echo $this->get_field_name('target'); ?>" id="<?php echo $this->get_field_id('target'); ?>">
            	<option value="blank" <?php if($instance['target'] == 'blank') { ?>selected="selected"<?php } ?>><?php _e( 'Blank', 'wpex' ); ?></option>
                <option value="self" <?php if($instance['target'] == 'self') { ?>selected="selected"<?php } ?>><?php _e( 'Self', 'wpex' ); ?></option>
            </select>
        </p>
        
        <p>
        	<label for="<?php echo $this->get_field_id('size'); ?>"><?php _e('Size:', 'wpex'); ?></label>
        	<input class="widefat" id="<?php echo $this->get_field_id('size'); ?>" name="<?php echo $this->get_field_name('size'); ?>" type="text" value="<?php echo $instance['size']; ?>" />
        	<small><?php _e('Size in pixels. Icon images are 36px.', 'wpex'); ?></small>
        </p>
       
       
       <h3 style="margin-top:20px;margin-bottom:0;"><?php _e('Social Links','wpex'); ?></h3>  
       <small style="display:block;margin-bottom:10px;"><?php _e('Enter the full URL to your social profile','wpex'); ?></small>           
		<ul id="<?php echo $this->get_field_id( 'social_services' ); ?>" class="wpex-services-list">
        	<input type="hidden" id="<?php echo $this->get_field_name( 'social_services' ); ?>" value="<?php echo $this->get_field_name( 'social_services' ); ?>">
			<input type="hidden" id="<?php echo wp_create_nonce('wpex_social_widget_nonce'); ?>">
			<?php
			$social_services = $instance['social_services'];
            $i=0;
			foreach( $social_services as $key => $service ) {
				$url=0;
				if(isset($service['url'])) $url = $service['url'];
				if(isset($service['name'])) $name = $service['name'];
				$i++; ?>
                <li id="<?php echo $this->get_field_id( $service ); ?>_0<?php echo $i ?>">
                    <p>
                        <label for="<?php echo $this->get_field_id( 'social_services' ); ?>-<?php echo $i ?>-name"><?php echo $name; ?>:</label>
                        <input type="hidden" id="<?php echo $this->get_field_id( 'social_services' ); ?>-<?php echo $i ?>-url" name="<?php echo $this->get_field_name( 'social_services' ).'['.$i.'][name]'; ?>" value="<?php echo $name; ?>">
                        <input type="url" class="widefat" id="<?php echo $this->get_field_id( 'social_services' ); ?>-<?php echo $i ?>-url" name="<?php echo $this->get_field_name( 'social_services' ).'['.$i.'][url]'; ?>" value="<?php echo $url; ?>" />
                    </p>
                </li>
            <?php } ?>
        </ul>
        
	<?php 
    }
 
 
} // end class wpex_social_widget
add_action('widgets_init', function() {return register_widget("wpex_social_widget");}

/* Widget Ajax Function
/*-----------------------------------------------------------------------------------*/
add_action('admin_init','load_wpex_social_widget_scripts');
function load_wpex_social_widget_scripts() {
	global $pagenow;
	if ( is_admin() && $pagenow == "widgets.php" ) {

		add_action('admin_head', 'add_new_wpex_social_style');
		add_action('admin_footer', 'add_new_wpex_social_ajax_trigger');
	
		function add_new_wpex_social_ajax_trigger() { ?>
		<script type="text/javascript" >
            jQuery(document).ready(function($) {
                jQuery(document).ajaxSuccess(function(e, xhr, settings) { //fires when widget saved
                    var widget_id_base = 'wpex_social_widget';
                    if(settings.data.search('action=save-widget') != -1 && settings.data.search('id_base=' + widget_id_base) != -1) {
                        wpexSortServices();
                    }
                });
                function wpexSortServices() {
                    jQuery('.wpex-services-list').each( function() {
                        var id = jQuery(this).attr('id');
                        $('#'+ id).sortable({
                            placeholder: "placeholder",
                            opacity: 0.6
                        });
                    });	
                }
                wpexSortServices();	
            });
        </script>
	<?php
	
	function add_new_wpex_social_style() { ?>
		<style>	
        .wpex-services-list li {cursor:move;background:#fcfcfc;padding:10px;border:1px solid #e3e3e3;-moz-border-radius: 3px;-khtml-border-radius: 3px;-webkit-border-radius: 3px;border-radius: 3px;margin-bottom:10px;box-shadow: inset 0 1px 0 #fff;}.wpex-sw-container label{color: #666;font-weight:bold;}.wpex-sw-container input{margin-top:5px;}
        .wpex-services-list .placeholder {border:1px dashed #e3e3e3; }
        </style>
	<?php
	}
	
} //end check pagenow

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