<?php
$json = '{ "_id": { "$oid": "563143b280d2387c91807965" } }';
$bson = MongoDB\BSON\fromJSON($json);
$value = MongoDB\BSON\toPHP($bson);
var_dump($value);
?>
The above example will output:
object(stdClass)#2 (1) {
["_id"]=>
object(MongoDB\BSON\ObjectId)#1 (1) {
["oid"]=>
string(24) "563143b280d2387c91807965"
}
}