mysql_pconnect — Opens a persistent connection to a
mixed mysql_connect([host][, user_name][, password]);
string host (optional):
Desired host, with optional port or socket
string user_name (optional):
Username to log in with
string password (optional):
Password to log in with
MySQL link on success; FALSE on failure
mysql_pconnect() behaves like mysql_connect() with two
The connection is persistent
and will not close when the current script exits.
This improves efficiency by not forcing the MySQL
server to open a new connection every time PHP
needs to connect to a database.
The connection cannot be
closed by mysql_close() .
The mysql.allow_persistent configuration
directive enables/disables the use of this
Persistent connections are
not available in the command line/CGI versions of
Example 823. Establish a
persistent MySQL connection
$host = 'mysql.example.com';
$user = 'anonymous';
$pass = '';
mysql_pconnect ($host, $user, $pass)
or die ("Could not connect to the MySQL server '$host' as user '$user'.");
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
and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4
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