(PECL mongo >=1.5.0)
Create a new command cursor
public MongoCommandCursor::__construct ( MongoClient $connection, string $ns, array $command = array() )
Generally, you should not have to construct a MongoCommandCursor manually, as there are helper functions such as MongoCollection::aggregateCursor() and MongoCollection::parallelCollectionScan(); however, if the server introduces new commands that can return cursors, this constructor will be useful in the absence of specific helper methods. You may also consider using MongoCommandCursor::createFromDocument().
Parameters:
connection
Database connection.
ns
Full name of the database and collection (e.g. "test.foo")
command
Database command.
Returns:
Returns the new cursor.
Examples:
MongoCommandCursor example
<?php $m = new MongoClient; // Define the aggregation pipeline $pipeline = [ [ '$group' => [ '_id' => '$country_code', 'timezones' => [ '$addToSet' => '$timezone' ] ] ], [ '$sort' => [ '_id' => 1 ] ], ]; // Construct a MongoCommandCursor object $cursor = new MongoCommandCursor( $m, // MongoClient object 'demo.cities', // namespace [ 'aggregate' => 'cities', 'pipeline' => $pipeline, 'cursor' => [ 'batchSize' => 0 ], ] ); foreach($cursor as $result) { … } ?>
See also:
MongoCommandCursor::createFromDocument() -
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