pg_lo_open() opens a large object in the database and returns large object resource so that it can be manipulated.
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().
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().
The OID of the large object in the database.
Can be either "r" for read-only, "w" for write only or "rw" for read and write.
A large object resource or FALSE
on error.
Do not close the database connection before closing the large object resource.
<?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"); ?>
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