Php/docs/mongodb-driver-cursorid.tostring
MongoDB\Driver\CursorId::__toString
(mongodb >=1.0.0)
MongoDB\Driver\CursorId::__toString — String representation of the cursor ID
说明
final public MongoDB\Driver\CursorId::__toString ( ) : string
Returns the string representation of the cursor ID.
参数
此函数没有参数。
返回值
Returns the string representation of the cursor ID.
范例
Example #1 MongoDB\Driver\CursorId::__toString() example
<?php/* In this example, we insert several documents into the collection and specify * a smaller batchSize to ensure that the first batch contains only a subset of * our results and the cursor remains open on the server. */$manager = new MongoDB\Driver\Manager("mongodb://localhost:27017");$query = new MongoDB\Driver\Query([], ['batchSize' => 2]);$bulk = new MongoDB\Driver\BulkWrite;$bulk->insert(['x' => 1]);$bulk->insert(['x' => 2]);$bulk->insert(['x' => 3]);$manager->executeBulkWrite('db.collection', $bulk);$cursor = $manager->executeQuery('db.collection', $query);var_dump((string) $cursor->getId());?>
以上例程的输出类似于：
string(11) "98061641158"
