文字
MongoCursor::limit
(PECL mongo >=0.9.0)
MongoCursor::limit — Limits the number of results returned
说明
public MongoCursor MongoCursor::limit
( int
$num
)参数
-
num -
The number of results to return.
返回值
Returns this cursor.
错误／异常
Throws MongoCursorException if this cursor has started iterating.
参见
- MongoDB core docs on » limit.
- MongoCursor::batchSize() - Limits the number of elements returned in one batch.
- MongoCursor::skip() - Skips a number of results
用户评论:
[#1] vinicius at codemakers dot com dot br [2013-12-24 14:49:56]
//Show only unique result
$cursor = $collection->find();
$cursor->limit(1);