dynamic_sidebar

Source code

function dynamic_sidebar($index = 1) {

	global $wp_registered_sidebars, $wp_registered_widgets;



	if ( is_int($index) ) {

		$index = "sidebar-$index";

	} else {

		$index = sanitize_title($index);

		foreach ( (array) $wp_registered_sidebars as $key => $value ) {

			if ( sanitize_title($value['name']) == $index ) {

				$index = $key;

				break;

			}

		}

	}



	$sidebars_widgets = wp_get_sidebars_widgets();

	if ( empty( $sidebars_widgets ) )

		return false;



	if ( empty($wp_registered_sidebars[$index]) || !array_key_exists($index, $sidebars_widgets) || !is_array($sidebars_widgets[$index]) || empty($sidebars_widgets[$index]) )

		return false;



	$sidebar = $wp_registered_sidebars[$index];



	$did_one = false;

	foreach ( (array) $sidebars_widgets[$index] as $id ) {



		if ( !isset($wp_registered_widgets[$id]) ) continue;



		$params = array_merge(

			array( array_merge( $sidebar, array('widget_id' => $id, 'widget_name' => $wp_registered_widgets[$id]['name']) ) ),

			(array) $wp_registered_widgets[$id]['params']

		);



		// Substitute HTML id and class attributes into before_widget

		$classname_ = '';

		foreach ( (array) $wp_registered_widgets[$id]['classname'] as $cn ) {

			if ( is_string($cn) )

				$classname_ .= '_' . $cn;

			elseif ( is_object($cn) )

				$classname_ .= '_' . get_class($cn);

		}

		$classname_ = ltrim($classname_, '_');

		$params[0]['before_widget'] = sprintf($params[0]['before_widget'], $id, $classname_);



		$params = apply_filters( 'dynamic_sidebar_params', $params );



		$callback = $wp_registered_widgets[$id]['callback'];



		do_action( 'dynamic_sidebar', $wp_registered_widgets[$id] );



		if ( is_callable($callback) ) {

			call_user_func_array($callback, $params);

			$did_one = true;

		}

	}



	return $did_one;

}