(PHP 4 >= 4.2.0, PHP 5)
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.
Note: 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 len is specified and is less than the length of data , only 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 data .
The number of bytes written to the large object, or FALSE on error.
Example#1 pg_lo_write() example
<?php
$doc_oid = 189762345;
$data = "This will overwrite the start of the large object.";
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
$handle = pg_lo_open($database, $doc_oid, "w");
$data = pg_lo_write($handle, $data);
pg_query($database, "commit");
?>