bool pg_lo_export(resource $connection, 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.
This function used to be called pg_loexport().
TRUE on success or
FALSE on failure.
- resource $connection: PostgreSQL database connection resource. When
connectionis not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().
- int $oid: The OID of the large object in the database.
- string $pathname: The full path and file name of the file in which to write the large object on the client filesystem.
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');
- This function used to be called pg_loexport().