What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.



pg_loreadall — Outputs a large object.


void pg_loreadall(fd);
int fd: File descriptor




Reads a large object field and outputs the contents directly to the client. Useful for output of binary files such as images.


Example 1049. Display images from a large object

$db = pg_connect("host=dbserver dbname=db user=dbuser password=dbpasswd") or die ("Unable to connect");
$sql = "SELECT first_name, last_name, photo FROM employees";
$result = pg_exec($db, $sql);
$rowcount = 0;
while (list($first, $last, $photo) = @pg_fetch_array($result, $rowcount)) {
    echo "<img src="image.php?photo=$photo">";
/* source of image.php 
$db = pg_pconnect("dbname=test user=postgres");
$fhandle = pg_loopen($db,$photo,"r");
header("Content-type: image/gif");

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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