Parse error: syntax error, unexpected T_VARIABLE in /home/xx/vv/av_payment/av_payment.module on line 3

i try to deploy mymodule "av_payment" that is an test example for users to make payment after requesting for an order, and but i have this error : Parse error: syntax error, unexpected T_VARIABLE in /home/xx/vv/av_payment/av_payment.module on line 3, and i can't correctly identify the problem

please help :

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function av_payment_commerce_payment_method_info() {
 $payment_methods = array();  
 $payment_methods['auth_api'] = array(  
    'title' => t('Method name'),
    'base' => 'av_payment', 
    'display_title' => t('client autorization'),
    'description' => t('Allows users to pay for their order .'),
  );

 return $payment_methods;
}


function av_payment_submit_form($payment_method, $pane_values, $checkout_pane, $order) {
 
$form = array();

$pane_values = array( 
'name' => '',
);

$form['name'] = array (
'#type' => 'textfield',
'#title' =>  t ('nom '),
'#description' => t ('Your API Login ID used to login to your account.'),
'#default_value' => $pane_values['name'],
'#required' => TRUE,
);

return $form;
}



function av_payment_submit_form_validate($payment_method, $pane_form, $pane_values, $order, $form_parents = array()) {

if (empty($pane_values['name'])) {

drupal_set_message(t('check the correct values for the input.'));
return FALSE;
}





function av_payment_submit_form_submit($form, &$form_state,$payment_method, $pane_values, $charge, $order) {
 
$order->data['auth_api'] = $pane_values;
$form = array();
$db_url['drupal'] = 'mysql://root:password@localhost/drupal';
db_set_active('drupal');
$account = db_query("SELECT * FROM {users} WHERE name = :name AND status = 1", array(':name' => $form_state['values']['name']))->fetchObject();

  if($account) {
    if (variable_get('user_failed_login_identifier_uid_only', FALSE)) {
       
        $identifier = $account->name;  /**we can cheek also the user ID-uid*/
      if ($form_state['values']['name'] == $pane_values['name']) { 
        av_payment_transaction($payment_method, $order, $charge, $pane_values['name']);
      }
      else { 
        drupal_set_message( t('The user login %name is not registred in the database.'));
      }
    }
  
}
}


function av_payment_transaction($payment_method, $order, $charge, $pane_values['name']) {
 
 $response = av_payment_request($payment_method,$nvp);
                             $transaction = commerce_payment_transaction_new('auth_api,$order->order_id');
                             $transaction->instance_id = $payment_method->instance_id;
                             $transaction->remote_id = $response[6];
                             $transaction->amount = $charge['amount'];
                             $transaction->currency_code = $charge['currency_code'];
                             $transaction->payload[REQUEST_TIME] = $response;
                             
                                if ($response[0] != '1')
 {
                                             $transaction->status = COMMERCE_PAYMENT_STATUS_FAILED;
                             } 

                               else {
                                     $transaction->status = COMMERCE_PAYMENT_STATUS_SUCCESS;

                                     drupal_set_message( t('Commerce payment operation had been seccess!.'));
                                    }
                             

                           commerce_payment_transaction_save($transaction); 
}