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Add the Order of Widgets Within a Sidebar as a CSS Class to All Widgets

/ Published in: PHP
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Here is a simple filter to automatically add a class attribute like widget-order-1 to all widgets within sidebars (from konstruktors.com)

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Copy this code and paste it in your HTML 
  1. add_action('init', 'add_widget_order_class');
  2. function add_widget_order_class() {
  3. 	global $wp_registered_sidebars, $wp_registered_widgets;
  4. 	$sidebars = wp_get_sidebars_widgets();
  5. 	if (empty($sidebars))
  6. 		return;
  7. 	foreach ($sidebars as $sidebar_id => $widgets) {
  8. 		if (empty($widgets))
  9. 			continue;
  10. 		foreach ($widgets as $i => $widget_id) {
  11. 			$order = $i + 1;
  12. 			$wp_registered_widgets[$widget_id]['classname'] .= ' widget-order-' . $order;
  13. 		}
  14. 	}
  15. }

URL: http://konstruktors.com/blog/wordpress/3615-add-widget-order-css-class-sidebar/

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