23      * @param AbstractNode $b
26     public static function sortById(AbstractNode $a, AbstractNode $b): int  argument
29         $pathA = explode(':', $a->getId());
30         $pathB = explode(':', $b->getId());
46      * @param AbstractNode $b
49     public static function sortByNsFirstThenId(AbstractNode $a, AbstractNode $b): int  argument
51         $res = self::sortByNsFirst($a, $b);
52         if ($res === 0) $res = self::sortById($a, $b);
60      * @param AbstractNode $b
63     public static function sortByTitle(AbstractNode $a, AbstractNode $b): int  argument
65         return Sort::strcmp($a->getTitle(), $b->getTitle());
72      * @param AbstractNode $b
75     public static function sortByNsFirstThenTitle(AbstractNode $a, AbstractNode $b): int  argument
77         $res = self::sortByNsFirst($a, $b);
78         if ($res === 0) $res = self::sortByTitle($a, $b);
86      * @param AbstractNode $b
89     protected static function sortByNsFirst(AbstractNode $a, AbstractNode $b): int  argument
92         $isBaNs = ($b instanceof WikiNamespace);
96                 return -1;