MongoDB\BSON\Document::get Returns the value of a key in the document &reftitle.description; final public mixedMongoDB\BSON\Document::get stringkey &reftitle.parameters; key (string) The key to retrieve from the document. &reftitle.returnvalues; Returns the value associated with the given key. If the key is not present in the document, an exception is thrown. When encountering a value encoded as 64-bit integer in the BSON document, the return value of this method will be a MongoDB\BSON\Int64 instance. &reftitle.errors; &mongodb.throws.argumentparsing; Throws MongoDB\Driver\Exception\RuntimeException if the key is not present in the document. &reftitle.seealso; MongoDB\BSON\Document::has BSON Types