Cloud Firestore Client - Class QuerySnapshot (1.51.0)

Reference documentation and code samples for the Cloud Firestore Client class QuerySnapshot.

Represents the result set of a Cloud Firestore Query.

Example:

 use Google\Cloud\Firestore\FirestoreClient;

$firestore = new FirestoreClient();
$collection = $firestore->collection('users');
$query = $collection->where('age', '>', 18);

$snapshot = $query->documents(); 

 // Snapshots can be iterated with foreach:
foreach ($snapshot as $user) {
    echo $user['name'] . PHP_EOL;
} 

Check if the result is empty.

Example:

 $empty = $snapshot->isEmpty(); 

Returns the size of the result set.

Example:

 $size = $snapshot->size(); 

Return the formatted and decoded rows. If the stream is interrupted, attempts will be made on your behalf to resume.

Example:

 $rows = $snapshot->rows(); 

Gets ExplainMetrics when the explainOptions option is supplied.

If ExplainOptions::setAnalyze is set to false , the query is planned and not executed, returning only the V1\PlanSummary instead of the V1\ExecutionStats and result.