pg_lo_open
(PHP 4 >= 4.2.0, PHP 5)
pg_lo_open — Open a large object
Description
resource pg_lo_open
( resource $connection
, int $oid
, string $mode
)
Warning
Do not close the database connection before closing the large
object resource.
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
-
PostgreSQL database connection resource. When
connection
is not present, the default connection
is used. The default connection is the last connection made by
pg_connect() or pg_pconnect().
-
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
A large object resource or FALSE on error.
Examples
Example #1 pg_lo_open() example
<?php
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
$oid = pg_lo_create($database);
echo "$oid\n";
$handle = pg_lo_open($database, $oid, "w");
echo "$handle\n";
pg_lo_write($handle, "large object data");
pg_lo_close($handle);
pg_query($database, "commit");
?>
pg_lo_import
