pg_lo_open
pg_lo_open opens a large object in the database and returns an PgSql\Lob instance so that it can be manipulated.
Warning:
Do not close the database connection before closing the PgSql\Lob instance.
To use the large object interface, it is necessary to enclose it within a transaction block.
Note:
This function used to be called pg_loopen.
Parameters
- connection
-
An PgSql\Connection instance. When connection is unspecified, the default connection is used. The default connection is the last connection made by pg_connect or pg_pconnect.
Warning:
As of PHP 8.1.0, using the default connection is deprecated.
- oid
-
The OID of the large object in the database.
- mode
-
Can be either "r" for read-only, "w" for write only or "rw" for read and write.
Return Values
An PgSql\Lob instance, or false on failure.
Changelog
| Version | Description |
| 8.1.0 | Returns an PgSql\Lob instance now; previously, a resource was returned. |
| 8.1.0 | The connection parameter expects an PgSql\Connection instance now; previously, a resource was expected. |