<?php
 $dsn = 'mssql:dbname=MyDbName;host=localhost';
 $user = 'sa';
 $password = '666666';
 try {
  $dbCon = new PDO($dsn, $user, $password);
 } catch (PDOException $e) {
  print 'Connection failed: '.$e->getMessage();
  exit;
 }
 $username = '123';
 $userpsw = '123';
 //$xp_userlogon = $dbCon ->query("exec user_logon_check '$username','$userpsw'");
 //mysql->call user_logon_check('$username','$userpsw');
 //mysql->call user_logon_check(?,?)
 $xp_userlogon = $dbCon->prepare('exec user_logon_check ?,?');
 $xp_userlogon->bindParam(1,$username);
 $xp_userlogon->bindParam(2,$userpsw);
 $xp_userlogon->execute();
 $uCol = $xp_userlogon->columnCount();
 echo $uCol."<br>";
 while($row = $xp_userlogon->fetch()){
 for( $i=0; $i<$uCol; $i++ )
  print $row[$i]." ";
 print "<br>";
 }
?>