Wamp Server

<?php 
  $aRegister = '1'; //Online : 1 Offline: 2 

  $aHoster = 'adresse ip'; 
  $aUser  = 'root'; 
  $aPass  = 'modepasse'; 
  $aDataB  = 'account'; 

  mysql_connect ($aHoster, $aUser, $aPass); 
  mysql_select_db ($aDataB); 


function user_registred($aUser, $aPass, $aDeleteCode){ 

  $sQuery = "  INSERT INTO  
      account  
      ( 
      login, 
      password, 
      social_id, 
      email 
      )  
     VALUES 
      (  
      '$aUser', 
      password('$aPass'), 
      '$aDeleteCode', 
      '$aEmail' 
      ) 
     "; 
  mysql_query("set names big5 "); 
  mysql_query("set CHARACTER big5 "); 
  mysql_query ($sQuery)or die(mysql_error()); 
  return $sQuery; 
  }  

function userexi($aUser){ 
$sQuery = mysql_query("SELECT 
       *  
       FROM  
      account  
       WHERE  
      login = '$aUser' 
       "); 
$sReq = mysql_num_rows($sQuery); 
return $sReq; 
} 

function mailexi($aEmail){ 
$sQuery = mysql_query("SELECT 
       *  
       FROM  
      account  
       WHERE  
      email = '$aEmail' 
       "); 
$sReq = mysql_num_rows($sQuery); 
return $sReq; 
}    
  ?>