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(mongodb >=1.0.0)
MongoDB\BSON\ObjectId::__construct — Construct a new ObjectId
id
(string)A 24-character hexadecimal string. If not provided, the driver will generate an ObjectId.
id
is not a 24-character hexadecimal string.示例 #1 MongoDB\BSON\ObjectId::__construct() example
<?php
var_dump(new MongoDB\BSON\ObjectId());
var_dump(new MongoDB\BSON\ObjectId('000000000000000000000001'));
?>
以上示例的输出类似于:
object(MongoDB\BSON\ObjectId)#1 (1) { ["oid"]=> string(24) "56732d3dda14d81214634921" } object(MongoDB\BSON\ObjectId)#1 (1) { ["oid"]=> string(24) "000000000000000000000001" }