(mongodb >=1.0.0)
MongoDB\BSON\fromPHP — Returns the BSON representation of a PHP value
Serializes a PHP array or object (e.g. document) to its » BSON representation. The returned binary string will describe a BSON document.
The serialized BSON document as a binary string.
Ejemplo #1 MongoDB\BSON\fromPHP() example
<?php
$bson = MongoDB\BSON\fromPHP(['foo' => 1]);
echo bin2hex($bson), "\n";
?>
El resultado del ejemplo sería:
0e00000010666f6f000100000000cat