文字
MongoCursor::hasNext
(PECL mongo >=0.9.0)
MongoCursor::hasNext — Checks if there are any more elements in this cursor
说明
public bool MongoCursor::hasNext
( void
)
参数
此函数没有参数。
返回值
Returns if there is another element.
错误／异常
Throws MongoConnectionException if it cannot reach the database and MongoCursorTimeoutException if the timeout is exceeded.