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sqlsrv_connect

SQL Server 2008 R2

Creates a connection resource and opens a connection. By default, the connection is attempted using Windows Authentication.

sqlsrv_connect( string $serverName [, array $connectionInfo])

$serverName: A string specifying the name of the server to which a connection is being established. An instance name (for example, "myServer\instanceName") or port number (for example, "myServer, 1521") can be included as part of this string. For a complete description of the options available for this parameter, see the Server keyword in the ODBC Driver Connection String Keywords section of Using Connection String Keywords with SQL Native Client.

Beginning in version 3.0 of the Microsoft Drivers for PHP for SQL Server, you can also specify a LocalDB instance with "(localdb)\instancename". For more information, see PHP Driver for SQL Server Support for LocalDB.

Also beginning in version 3.0 of the Microsoft Drivers for PHP for SQL Server, you can specify a virtual network name, to connect to an AlwaysOn availability group. For more information about Microsoft Drivers for PHP for SQL Server support for AlwaysOn Availability Groups, see PHP Driver for SQL Server Support for High Availability, Disaster Recovery.

$connectionInfo [OPTIONAL]: An associative array that contains connection attributes (for example, array("Database" => "AdventureWorks")). See Connection Options for a list of the supported keys for the array.

A PHP connection resource. If a connection cannot be successfully created and opened, false is returned.

If values for the UID and PWD keys are not specified in the optional $connectionInfo parameter, the connection will be attempted using Windows Authentication. For more information about connecting to the server, see How to: Connect Using Windows Authentication and How to: Connect Using SQL Server Authentication.

The following example creates and opens a connection using Windows Authentication. The example assumes that SQL Server and the AdventureWorks database are installed on the local computer. All output is written to the console when the example is run from the command line.

<?php
/*
Connect to the local server using Windows Authentication and specify
the AdventureWorks database as the database in use. To connect using
SQL Server Authentication, set values for the "UID" and "PWD"
 attributes in the $connectionInfo parameter. For example:
$connectionInfo = array("UID" => $uid, "PWD" => $pwd, "Database"=>"AdventureWorks");
*/
$serverName = "(local)";
$connectionInfo = array( "Database"=>"AdventureWorks");
$conn = sqlsrv_connect( $serverName, $connectionInfo);

if( $conn )
{
     echo "Connection established.\n";
}
else
{
     echo "Connection could not be established.\n";
     die( print_r( sqlsrv_errors(), true));
}

//-----------------------------------------------
// Perform operations with connection.
//-----------------------------------------------

/* Close the connection. */
sqlsrv_close( $conn);
?>

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