CollectionFind::limit

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CollectionFind::limit — Limit number of returned documents

说明

public mysql_xdevapi\CollectionFind mysql_xdevapi\CollectionFind::limit ( integer $rows )

Limit the amount of documents returned by the 'find' option by the amount provided as argument

参数

rows: This is the maximum amount of documents that have to be returned by the find operation

返回值

CollectionFind object that can be used for further processing

范例

Example #1 mysql_xdevapi\CollectionFind::limit() example


<?php

//Assuming $coll is a valid Collection object

//Extract only the first 10 documents from the collection
$res = $coll->find()->limit(10)->execute();

//Sort the documents on the base of the 'age' field
//and return the first two "oldest" person in the collection
$res = $coll->find()->sort('age desc')->limit(2)->execute();

?>