pg_lo_read_all
(PHP 4 >= 4.2.0, PHP 5)
pg_lo_read_all --
Reads an entire large object and send straight to browser
Описание
int
pg_lo_read_all ( resource large_object )
pg_lo_read_all() reads a large object and passes
it straight through to the browser after sending all pending
headers. Mainly intended for sending binary data like images or
sound.
To use the large object interface, it is necessary to
enclose it within a transaction block.
Замечание:
This function used to be called pg_loreadall().
Список параметров
- large_object
PostgreSQL large object (LOB) resource, returned by pg_lo_open().
Возвращаемые значения
Number of bytes read or FALSE on error.
Примеры
Пример 1. pg_lo_read_all() example
<?php
header('Content-type: image/jpeg');
$image_oid = 189762345;
$database = pg_connect("dbname=jacarta");
pg_query($database, "begin");
$handle = pg_lo_open($database, $image_oid, "r");
pg_lo_read_all($handle);
pg_query($database, "commit");
?>
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