Sample Call

<?php
// SOAP_CLIENT_BASEDIR - folder that contains the PHP Toolkit and your WSDL
// $USERNAME - variable that contains your Salesforce.com username (must be in the form of an email)
// $PASSWORD - variable that contains your Salesforce.com password

define("SOAP_CLIENT_BASEDIR", "../../soapclient");
require_once (SOAP_CLIENT_BASEDIR.'/SforcePartnerClient.php');
require_once (SOAP_CLIENT_BASEDIR.'/SforceHeaderOptions.php');

require_once ('../userAuth.php');

try {
  $mySforceConnection = new SforcePartnerClient();
  $mySoapClient = $mySforceConnection->createConnection(SOAP_CLIENT_BASEDIR.'/partner.wsdl.xml');
  $mylogin = $mySforceConnection->login($USERNAME, $PASSWORD);

  echo "***** Get User Info*****\n";
  $response = $mySforceConnection->getUserInfo();
  print_r($response);
} catch (Exception $e) {
  print_r($e);
}
?>

Sample Output

***** Get User Info*****
stdClass Object
(
    [accessibilityMode] => 
    [currencySymbol] => $
    [orgDefaultCurrencyIsoCode] => USD
    [orgHasPersonAccounts] => 
    [organizationId] => 00D70000000J4qjEAC
    [organizationMultiCurrency] => 
    [organizationName] => salesforce
    [profileId] => 00e70000000vr2wAAA
    [roleId] => 
    [userDefaultCurrencyIsoCode] => 
    [userEmail] => anemail@email.com
    [userFullName] => Nick Tran
    [userId] => 005700000014rfAAAQ
    [userLanguage] => en_US
    [userLocale] => en_US
    [userName] => anemail@email.com
    [userTimeZone] => America/Los_Angeles
    [userType] => Standard
    [userUiSkin] => Theme2
)