International PHP Conference 2015

pg_lo_write

(PHP 4 >= 4.2.0, PHP 5)

pg_lo_writeWrite to a large object

Descrierea

int pg_lo_write ( resource $large_object , string $data [, int $len ] )

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.

Notă:

This function used to be called pg_lowrite().

Parametri

large_object

PostgreSQL large object (LOB) resource, returned by pg_lo_open().

data

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.

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 of data.

Valorile întoarse

The number of bytes written to the large object, or FALSE on error.

Exemple

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");
?>

A se vedea și

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top