Wordpress: Create widget areas

gistfile1

//Create widget areas

<?php
// In functions.php
register_sidebar(array(
	'name' => 'Sidebar',
 	'id' => 'sidebar',
 	'before_widget' => '<li>',
 	'after_widget' => '</li>',
 	'before_title' => '<h3>',
 	'after_title' => '</h3>'
 ));
register_sidebar(array(
 	'name' => 'Footer',
 	'id' => 'footer',
 	'before_widget' => '<li>',
 	'after_widget' => '</li>',
 	'before_title' => '<h3>',
 	'after_title' => '</h3>'
 ));

// In sidebar.php
if ( is_sidebar_active('sidebar') ) {
 dynamic_sidebar('sidebar');
}

// In footer.php
if ( is_sidebar_active('footer') ) {
 dynamic_sidebar('footer');
}