MongoCursor::limit
(PECL mongo >=0.9.0)
MongoCursor::limit — Limits the number of results returned
说明
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
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User Contributed Notes 1 note
vinicius at codemakers dot com dot br ¶
5 years ago
//Show only unique result
$cursor = $collection->find();
$cursor->limit(1);