PHP-MSSQL Bağlantısında hata !! [ÇÖZÜLDÜ]

<?php 
  $host="."; 
  $dbase="uyelik"; 
  $uid="sa"; 
  $pwd="1"; 
   
  $conn= odbc_connect("DRIVER={SQL2012};server=$host;database=$dbase",$uid,$pwd); 
   
  if (!$conn) 
  { 
    die('veritabanina baglanilamadi: ' . mysql_error()); 
  } 
  ?>

 DRIVER={SQL2012} 

<?php 
  $host="ServerAdı\SQL2012"; 
  $dbase="uyelik"; 
  $uid="sa"; 
  $pwd="1"; 
   
  $conn=odbc_connect("Driver={SQL Server};Server=$host;Database=$dbase;", $uid, $pwd); 
   
  if ($conn) 
  { 
  		echo "yuppiiii !"; 
  } 
  else  
  { 
  		die('veritabanina baglanilamadi: ' . mysql_error()); 
  } 
  ?>