Export a large object to file pg_lo_create pg_lo_import PostgreSQL Functions PHP Manual pg_lo_export (PHP 4 >= 4.2.0, PHP 5)pg_lo_export — Export a large object to file Description bool pg_lo_export ( resource $connection , int $oid , string $pathname ) bool pg_lo_export ( 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 filesystem. To use the large object interface, it is necessary to enclose it within a transaction block. Note: This function used to be called pg_loexport(). 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. pathname The full path and file name of the file in which to write the large object on the client filesystem. Return Values Returns TRUE on success or FALSE on failure. Examples Example #1 pg_lo_export() example <?php $database = pg_connect("dbname=jacarta"); pg_query($database, "begin"); $oid = pg_lo_create($database); $handle = pg_lo_open($database, $oid, "w"); pg_lo_write($handle, "large object data"); pg_lo_close($handle); pg_lo_export($database, $oid, '/tmp/lob.dat'); pg_query($database, "commit");?> See Also pg_lo_import() pg_lo_create pg_lo_import PostgreSQL Functions PHP Manual
