WeberDev.com PHP and MySQL Code

LOG IN
BEGINNER GUIDES  |  PHP CLASSES  |  CODE SEARCH  |  ARTICLES SEARCH  |  PHP FORUMS  |  PHP MANUAL  |  PHP FUNCTIONS LIST  |  WEB SITE TEMPLATES
Start typing to search for PHP and MySQL Code Snippets and Articles Search
Submit a code Example / Snippet Submit Your Code
Search Engine Optimization Monitor SEO Monitor
Web Site UpTime Monitor UpTime Monitor
WeberDev's Monthly code contest PHP Code Contest
Your Personal Examples List My Favorite Examples
Your Personal Articles List My Favorite Articles
Edit Account Info Update Your Profile
More Weber Sites
PHP Code Search
Web Development Forums
Learn MySQL Playing Trivia
PHPBB2 Templates
Web Development Index
PHP Web Logs (BLogs)
Web Development Resources
Web Development Content
Recommended Links
PHPClasses
PHP Editor
PHP Jobs
Vision.To Design
Ajax Tutorials
PHP Programming Help
PHP/MySQL Programming
Webmaster Resources
Webmaster Forum
XML meta language
website builder
Recommended
Submit Site
Forex Trading Online forex trading platform
Read a large object

pg_lo_read

(PHP 4 >= 4.2.0, PHP 5)

pg_lo_read — Read a large object

Description

string pg_lo_read ( resource $large_object [, int $len ] )

pg_lo_read() reads at most len bytes from a large object and returns it as a string.

To use the large object interface, it is necessary to enclose it within a transaction block.

Note: This function used to be called pg_loread().

Parameters

large_object

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

len

An optional maximum number of bytes to return. Defaults to 8192.

Return Values

A string containing len bytes from the large object, or FALSE on error.

Examples

Example #1 pg_lo_read() example

<?php
   $doc_oid = 189762345;
   $database = pg_connect("dbname=jacarta");
   pg_query($database, "begin");
   $handle = pg_lo_open($database, $doc_oid, "r");
   $data = pg_lo_read($handle, 50000);
   pg_query($database, "commit");
   echo $data;
?>

See Also