add Facebook Analytics for non-admins

<?php

//Add Facebook Analytics for users who are not admins
	global $current_user;
	if ( ! $current_user->role[0]='administrator' ) {
		function webworks_facebook_analytics(){		
?>
	<script>
	  window.fbAsyncInit = function() {
		FB.init({
		  appId      : '228785407629856',
		  xfbml      : true,
		  version    : 'v2.8'
		});
		FB.AppEvents.logPageView();
	  };

	  (function(d, s, id){
		 var js, fjs = d.getElementsByTagName(s)[0];
		 if (d.getElementById(id)) {return;}
		 js = d.createElement(s); js.id = id;
		 js.src = "//connect.facebook.net/en_US/sdk.js";
		 fjs.parentNode.insertBefore(js, fjs);
	   }(document, 'script', 'facebook-jssdk'));
	</script>
<?php
		}
		add_action('wp_head', 'webworks_facebook_analytics');
	}
?>