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pg_lo_write
(PHP 4 >= 4.2.0, PHP 5, PHP 7)
pg_lo_write — Write to a large object
Description
$large_object
, string $data
[, int $len
] ) : intpg_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().
Parameters
-
large_object -
PostgreSQL large object (LOB) resource, returned by pg_lo_open().
-
data -
The data to be written to the large object. If
lenis specified and is less than the length ofdata, onlylenbytes will be written. -
len -
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 ofdata.
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");
?>
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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