- PHP 手册
- 函数参考
- 数据库扩展
- 针对各数据库系统对应的扩展
- Mongo
- 核心类
- MongoCursor
MongoCursor::valid
(PECL mongo >=0.9.0)
MongoCursor::valid — Checks if the cursor is reading a valid result
说明
public MongoCursor::valid ( void ) : bool参数
此函数没有参数。
返回值
TRUE if the current result is not null, and FALSE otherwise.
参见
- Iterator::valid() - 检查当前位置是否有效
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/mongocursor.valid.php