MongoDB\BSON\ObjectId::getTimestamp
(mongodb >=1.2.0)
Returns the timestamp component of this ObjectId
Description
The timestamp component of an ObjectId is its most significant 32 bits, which denotes the number of seconds since the Unix epoch. This value is read as an unsigned 32-bit integer with big-endian byte order.
Uint32
Parameters Parameters
Return Values
Returns the timestamp component of this ObjectId.
Errors/Exceptions
Examples
MongoDB\BSON\ObjectId::getTimestamp() example
<?php
var_dump((new MongoDB\BSON\ObjectId())->getTimestamp());
var_dump((new MongoDB\BSON\ObjectId('0000002a0000000000000000'))->getTimestamp());
?>The above example will output something similar to:
integer(1484854719)
integer(42)See Also
- ObjectId Reference
- BSON Types: ObjectId