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PHP. Руководство по PHP. 2005

pg_lo_read_all

Пред.

След.

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");
?>

Смотрите также

pg_lo_open

pg_lo_read

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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