MongoDB\BSON\ObjectId::__toString

(mongodb >=1.0.0)

MongoDB\BSON\ObjectId::__toString — Returns the hexadecimal representation of this ObjectId

final public function MongoDB\BSON\ObjectId::__toString(): string

This function has no parameters.

Returns the hexadecimal representation of this ObjectId.

Example #1 MongoDB\BSON\ObjectId::__toString() example

<?php

var_dump((string) new MongoDB\BSON\ObjectId());
var_dump((string) new MongoDB\BSON\ObjectId('000000000000000000000001'));

?>

The above example will output something similar to:

string(24) "56731b49da14d8747d701211"
string(24) "000000000000000000000001"