Add Widgets.php

function tie_addWidgetToSidebar($sidebarSlug, $widgetSlug, $countMod, $widgetSettings = array()){
	$sidebarOptions = get_option('sidebars_widgets');
	if(!isset($sidebarOptions[$sidebarSlug])){
	$sidebarOptions[$sidebarSlug] = array('_multiwidget' => 1);
	}
	$newWidget = get_option('widget_'.$widgetSlug);
	if(!is_array($newWidget))$newWidget = array();
	$count = count($newWidget)+1+$countMod;
	$sidebarOptions[$sidebarSlug][] = $widgetSlug.'-'.$count;

	$newWidget[$count] = $widgetSettings;

	update_option('sidebars_widgets', $sidebarOptions);
	update_option('widget_'.$widgetSlug, $newWidget);
}



//empty the widget field
	update_option('sidebars_widgets', '');

// add a new widget
	tie_addWidgetToSidebar( sidebar name , widget name , $widget_settings() );

	tie_addWidgetToSidebar( 'primary-widget-area' , 'facebook-widget', 0, array('title' => 'Find us on Facebook', 'page_url' => 'https://www.facebook.com/TieLabs'));
	tie_addWidgetToSidebar( 'shop-widget-area' , 'woocommerce_layered_nav', 0, array('title' => 'Filter by'));
	tie_addWidgetToSidebar( 'third-footer-widget-area'  , 'posts-list-widget', 0, array('title' => 'Latest Posts', 'no_of_posts' => 5, 'thumb' => true ,  'posts_order' => 'latest'));