/**
* Creates a formatted breadcrumb string with links to the current page's parent(s).
*
* - $separator string defaults to the › character but can be overridden with any string.
* - current page is bolded and unlinked.
*
* Parameters:
* $separator - the text or html character that will separate each breadcrumb (optional)
*
* @return Formatted <p> tag.
*/
function breadcrumbs($separator = ' › ')
{
global $_section, $_name;
$bc_links = collect_breadcrumbs(get_sitemap());
$bc_array = array();
foreach ($bc_links as $name => $url) {
$tag = '';
$attr = array();
# format the first item as the home link
if ($name === reset(array_keys($bc_links))) {
$tag = 'a';
$attr['class'] = 'home';
$attr['href'] = $url;
} elseif ($name === end(array_keys($bc_links))) {
$tag = 'strong';
$attr['class'] = 'active';
} else {
$tag = has_index_pages() ? 'a' : 'span';
if (has_index_pages()) {
$attr['href'] = $url;
}
$attr['class'] = 'section';
}
# add the tag to the list of breadcrumbs
$bc_array[] = content_tag($tag, $name, $attr);
}
$bc_string = format_list_with_separator($bc_array, $separator);
return content_tag('p', $bc_string, array('class' => 'breadcrumbs'));
}
function test_format_list_with_separator()
{
$list = array('one', 'two', 'three', 'four');
$this->assertEqual(format_list_with_separator($list), 'one | two | three | four');
$this->assertEqual(format_list_with_separator($list, ' * '), 'one * two * three * four');
}
