gistfile1.txt

function create_buyer($name,$email_address,$card_uri){
  //$marketplace = Balanced\Marketplace::mine();
  global $marketplace;
  $res=array();
  try {
    $buyer = $marketplace->createBuyer(
            $email_address,
            $card_uri);
    $buyer->name = $name;
    $buyer->save();
    $res['res']="$name New Account created";
  }
   catch (Balanced\Exceptions\HTTPError $e) {
        if ($e->category_code == 'duplicate-email-address') {
       $buyer = $marketplace
                ->accounts
                ->query()
                ->filter(Balanced\Account::$f->email_address->eq($email_address))
                ->one();
        $name1=$buyer->name;
        $res['res']="$name1  Account existed";
     }else{
       throw $e;
     }

   }
   $res['buyer']=$buyer;
   return $res;
}