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ifx_pconnect — Open Informix server connection


int ifx_pconnect([database][, username][, password]);
string database (optional): Database name
string username (optional): Username
string password (optional): Password


Connection handler or FALSE on error


Establishes a connection to an Informix server. If a connection is already open, the function will use the existing connection instead of opening a new connecttion.

Certain environment variables must be set for the connection to occur. These are INFORMIXDIR , INFORMIXSERVER and DBPATH.

For extra security, the parameters in this function are optional and can instead be specified in the PHP initialisation file.

When the script terminates, the connection is not closed but remains open for reuse even if ifx_close() is used.


Since version 3.0.3 and 4.0


Example 577. Connect to an Informix DB

if (!$conn = @ifx_connect( "stores7@demo_se", "testuser", "password" )) {
   die( sprintf( "Connection error: %s %s", ifx_error(), ifx_errormsg() ) );

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 from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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