pg_get_notify

(PHP 4 >= 4.3.0, PHP 5)

pg_get_notify -- Ping database connection

Description

array pg_get_notify ( resource connection [, int result_type])

pg_get_notify() gets notify message sent by NOTIFY SQL command. To receive notify messages, LISTEN SQL command must be issued. If there is notify message on the connection, array contains message name and backend PID is returned. If there is no message, FALSE is returned.

See also pg_get_pid()

Example 1. PostgreSQL NOTIFY message

<?php
$conn
= pg_pconnect("dbname=publisher");
if (!
$conn) {
    echo
"An error occured.\n";
    exit;
}

// Listen 'author_updated' message from other processes
pg_query($conn, 'LISTEN author_updated;');
$notify = pg_get_notify($conn);
if (!
$notify) {
    echo
"No messages\n";
} else {
    
print_r($notify);
}
?>


Sites of interest: Web Hosting : Reseller Hosting : Website Hosting : HTML Editor : Web Design Templates : Free Web Hosting : ASP code examples : PHP & MySQL Code Examples
  Copyright © 2004 Evrsoft Developer Network. Privacy policy - Link to Us

Contact Evrsoft