pg_lo_write
Write to a large object
Description
intfalse pg_lo_write(PgSql\Lob $lob, string $data, intnull $length = null)
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.
Parameters
-
lob
-
An PgSql\Lob instance, returned by pg_lo_open.
-
data
-
The data to be written to the large object. If length is
an int and is less than the length of data, only
length bytes will be written.
-
length
-
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.
Return Values
The number of bytes written to the large object, or false on error.
Examples
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");
?>