pg_lo_open	pg_lo_read

	Last updated: Tue, 19 Sep 2006

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

Description

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.

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

Parameters

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

Return Values

Number of bytes read or FALSE on error.

Examples

Example 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");
?>

pg_lo_read_all

Description

Parameters

Return Values

Examples

See Also