/**
* Recursively searches the sitemap for an item's corresponding link.
*
* Parameters:
* $item - the item name to search for
* $sitemap - the array to search in (defaults to the global sitemap)
*
* @return The item's corresponding url
*/
function find_in_sitemap($item, $sitemap = array())
{
$sitemap = use_default($sitemap, get_sitemap());
$link = '';
foreach ($sitemap as $key => $value) {
if ($item === $key) {
if (is_array($value)) {
$link = get_first_unnested_item($value);
} else {
$link = $value;
}
break;
} elseif (is_array($value)) {
$link = find_in_sitemap($item, $value);
if (exists($link)) {
break;
}
}
}
return $link;
}
function test_find_in_sitemap()
{
$sitemap = array('foo' => 'foo.php', 'bar' => array('baz' => 'baz.php'), 'chewie' => array('han' => 'han.php'), 'anakin' => 'vader.php', 'html' => array('div' => array('p' => array('span' => 'em'))), 'yoda' => array('obi' => array('luke' => 'luke.php')));
$this->assertIdentical(find_in_sitemap('foo', $sitemap), 'foo.php');
$this->assertIdentical(find_in_sitemap('bar', $sitemap), 'baz.php');
$this->assertIdentical(find_in_sitemap('baz', $sitemap), 'baz.php');
##
$this->assertIdentical(find_in_sitemap('yoda', $sitemap), 'luke.php');
$this->assertIdentical(find_in_sitemap('obi', $sitemap), 'luke.php');
$this->assertIdentical(find_in_sitemap('luke', $sitemap), 'luke.php');
$this->assertIdentical(find_in_sitemap('chewie', $sitemap), 'han.php');
$this->assertIdentical(find_in_sitemap('han', $sitemap), 'han.php');
##
$this->assertIdentical(find_in_sitemap('anakin', $sitemap), 'vader.php');
$this->assertIdentical(find_in_sitemap('html', $sitemap), 'em');
$this->assertIdentical(find_in_sitemap('div', $sitemap), 'em');
$this->assertIdentical(find_in_sitemap('p', $sitemap), 'em');
$this->assertIdentical(find_in_sitemap('span', $sitemap), 'em');
}
