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");
?> |
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