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pg_connect — Establishes a connection to a postgreSQL database.


int pg_connect(host, port[, options][, TTY], db);
string host: Database host
string port: Port number
string options (optional): Connection options
string TTY (optional): TTY number
string db: Database name


Connection ID; FALSE on error


Connects to a PostgreSQL database on the server specified by the hostname. options contains the username and password to connect to the database. An alternative to this syntax is to use a connection string made up of name/value pairs including the database, username, and password, as in the following example:

pg_connect("host=dbserver dbname=db user=dbuser password=dbpasswd")
The parameters that can be used in this manner are host , port , dbname , user , password , options , and tty .


Example 1026. Open connection

if (!$db = pg_connect($host,"","user=dbuser password=dbpasswd","","MyDB")) {
  echo "Could not connect to database!\n";

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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