« SplHeap::count SplHeap::extract » PHP Manual SplHeap Return current node pointed by the iterator SplHeap::current (PHP 5 >= 5.3.0, PHP 7) SplHeap::current — Return current node pointed by the iterator 说明 public SplHeap::current ( void ) : mixed Get the current datastructure node. 参数 此函数没有参数。 返回值 The current node value.