Add Drop-Down Menu To Admin Bar

/*
Add a menu with clickable links into the admin bar.
*/
add_action( 'admin_bar_menu', 'social_media_links', 900 );
function social_media_links($wp_admin_bar)
{
	$args = array(
		'id'    => 'resources',
		'title'	=>  'Resources',
		'meta'  =>  array( 'class' => 'first-toolbar-group' ),
	);
	$wp_admin_bar->add_node( $args );	
	$args = array();

array_push($args,array(
	'id'	 =>	'sme',
	'title'	 =>	'Thousands of Digital Products',
	'href'	 =>	'http://www.plrmines.com/',
	'parent' =>	'resources',
	));
			
array_push($args,array(
	'id'     => 'browser_test',
	'title'	 => 'WordPress Themes and Plugins',
	'href'	 => 'http://pmthemes.com/',
	'parent' => 'resources',
	));

array_push($args,array(
	'id'	 =>	'cool_text',
	'title'	 =>	'Cool Text',
	'href'	 =>	'https://cooltext.com/',
	'parent' =>	'resources',
	));

	//$sorted_args = array($targs,$yargs,$fargs);
	sort($args);
	for($a=0;$a<sizeOf($args);$a++)
	{
		$wp_admin_bar->add_node($args[$a]);
	}	
}