php教程

MongoCursor::limit

(PECL mongo >=0.9.0)

MongoCursor::limitLimits the number of results returned

说明

public MongoCursor::limit ( int $num ) : MongoCursor

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

User Contributed Notes

vinicius at codemakers dot com dot br 24-Dec-2013 02:49
//Show only unique result

$cursor = $collection->find();
$cursor->limit(1);

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