Php/docs/mongodb-bson-objectid.tostring

• PHP Manual
• MongoDB\BSON\ObjectId
• Returns the hexidecimal representation of this ObjectId

MongoDB\BSON\ObjectId::__toString

(mongodb >=1.0.0)

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

说明

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

参数

此函数没有参数。

返回值

Returns the hexidecimal representation of this ObjectId.

范例

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

<?phpvar_dump((string) new MongoDB\BSON\ObjectId());var_dump((string) new MongoDB\BSON\ObjectId('000000000000000000000001'));?>

以上例程的输出类似于：

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

参见

• » ObjectId Reference
• » BSON Types: ObjectId