(PHP 4 >= 4.2.0, PHP 5, PHP 7)
pg_lo_write — Write to a large object
pg_lo_write() writes data into a large object at the current seek position.
To use the large object interface, it is necessary to enclose it within a transaction block.
This function used to be called pg_lowrite().
PostgreSQL large object (LOB) resource, returned by pg_lo_open().
The data to be written to the large object. If
specified and is less than the length of
len bytes will be written.
An optional maximum number of bytes to write. Must be greater than zero
and no greater than the length of
data. Defaults to
the length of
The number of bytes written to the large object, or
FALSE on error.
Example #1 pg_lo_write() example
$doc_oid = 189762345;
$data = "This will overwrite the start of the large object.";
$database = pg_connect("dbname=jacarta");
$handle = pg_lo_open($database, $doc_oid, "w");
$data = pg_lo_write($handle, $data);