Remove repeated breadcrumbs generated by Joomla

gistfile1.txt

function cleanArray ($a) {
	$names = array();
	$b = array();

	foreach ($a as $v) {
		$name = $v->name;
		if (!array_key_exists ($name, $names)) {
			$names [$name] = 1;
			array_push ($b, $v);
		}
	}
	return $b;
}