(PHP 4 >= 4.2.0, PHP 5)
pg_lo_export -- Export a large object to file
( resource connection, int oid, string pathname )
( int oid, string pathname )
pg_lo_export() takes a large object in a
PostgreSQL database and saves its contents to a file on the local
To use the large object interface, it is necessary to
enclose it within a transaction block.
This function used to be called pg_loexport().
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.
The full path and file name of the file in which to write the
large object on the client filesystem.
Returns TRUE on success or FALSE on failure.
Example 1. pg_lo_export() example
$database = pg_connect("dbname=jacarta");
$oid = pg_lo_create($database);
$handle = pg_lo_open($database, $oid, "w");
pg_lo_write($handle, "large object data");
pg_lo_export($database, $oid, '/tmp/lob.dat');