PHP kézikönyv
Előző |  | Következő

# 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

## Leírás

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.

> Megjegyzés: This function used to be called pg_loreadall().

## Paraméterek

large_object

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

## Visszatérési értékek

Number of bytes read or `FALSE` on error.

## Példák

Példa 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"); ?>`

## Lásd még

pg_lo_read()

Előző | Tartalom | Következő
pg_lo_open | Fel | pg_lo_read