diff --git a/ipn.php b/ipn.php
index 3b7e889..9dcb9af 100644
--- a/ipn.php
+++ b/ipn.php
@@ -1,134 +1,134 @@
 <?php
-	if (gethostbyaddr($_SERVER['REMOTE_ADDR']) !== 'notify.paypal.com') {
-		exit();
+if (gethostbyaddr($_SERVER['REMOTE_ADDR']) !== 'notify.paypal.com') {
+	exit();
+}
+
+// Require the functions to connect to database and fetch config values
+require 'config.php';
+require 'engine/database/connect.php';
+
+// Fetch and sanitize POST and GET values
+function getValue($value) {
+	return (!empty($value)) ? sanitize($value) : false;
+}
+function sanitize($data) {
+	return htmlentities(strip_tags(mysql_znote_escape_string($data)));
+}
+
+function VerifyPaypalIPN(array $IPN = null){
+	if(empty($IPN)){
+		$IPN = $_POST;
 	}
-
-	// Require the functions to connect to database and fetch config values
-	require 'config.php';
-	require 'engine/database/connect.php';
-
-	// Fetch and sanitize POST and GET values
-	function getValue($value) {
-		return (!empty($value)) ? sanitize($value) : false;
+	if(empty($IPN['verify_sign'])){
+		return null;
 	}
-	function sanitize($data) {
-		return htmlentities(strip_tags(mysql_znote_escape_string($data)));
+	$IPN['cmd'] = '_notify-validate';
+	$PaypalHost = (empty($IPN['test_ipn']) ? 'www' : 'www.sandbox').'.paypal.com';
+	$cURL = curl_init();
+	curl_setopt($cURL, CURLOPT_SSL_VERIFYPEER, 1);
+	curl_setopt($cURL, CURLOPT_SSL_VERIFYHOST, 2);
+	curl_setopt($cURL, CURLOPT_SSLVERSION, 6);
+	curl_setopt($cURL, CURLOPT_CAINFO, __DIR__ . '/engine/cert/cacert.pem');
+	curl_setopt($cURL, CURLOPT_URL, "https://{$PaypalHost}/cgi-bin/webscr");
+	curl_setopt($cURL, CURLOPT_ENCODING, 'gzip');
+	curl_setopt($cURL, CURLOPT_BINARYTRANSFER, true);
+	curl_setopt($cURL, CURLOPT_POST, true); // POST back
+	curl_setopt($cURL, CURLOPT_POSTFIELDS, $IPN); // the $IPN
+	curl_setopt($cURL, CURLOPT_HEADER, false);
+	curl_setopt($cURL, CURLOPT_RETURNTRANSFER, true);
+	curl_setopt($cURL, CURLOPT_FORBID_REUSE, true);
+	curl_setopt($cURL, CURLOPT_FRESH_CONNECT, true);
+	curl_setopt($cURL, CURLOPT_CONNECTTIMEOUT, 30);
+	curl_setopt($cURL, CURLOPT_TIMEOUT, 60);
+	curl_setopt($cURL, CURLINFO_HEADER_OUT, true);
+	curl_setopt($cURL, CURLOPT_HTTPHEADER, array(
+		'Connection: close',
+		'Expect: ',
+	));
+	$Response = curl_exec($cURL);
+	$Status = (int)curl_getinfo($cURL, CURLINFO_HTTP_CODE);
+	curl_close($cURL);
+	if(empty($Response) or !preg_match('~^(VERIFIED|INVALID)$~i', $Response = trim($Response)) or !$Status){
+		return null;
 	}
-
-	function VerifyPaypalIPN(array $IPN = null){
-		if(empty($IPN)){
-			$IPN = $_POST;
-		}
-		if(empty($IPN['verify_sign'])){
-			return null;
-		}
-		$IPN['cmd'] = '_notify-validate';
-		$PaypalHost = (empty($IPN['test_ipn']) ? 'www' : 'www.sandbox').'.paypal.com';
-		$cURL = curl_init();
-		curl_setopt($cURL, CURLOPT_SSL_VERIFYPEER, 1);
-		curl_setopt($cURL, CURLOPT_SSL_VERIFYHOST, 2);
-		curl_setopt($cURL, CURLOPT_SSLVERSION, 6);
-		curl_setopt($cURL, CURLOPT_CAINFO, __DIR__ . '/engine/cert/cacert.pem');
-		curl_setopt($cURL, CURLOPT_URL, "https://{$PaypalHost}/cgi-bin/webscr");
-		curl_setopt($cURL, CURLOPT_ENCODING, 'gzip');
-		curl_setopt($cURL, CURLOPT_BINARYTRANSFER, true);
-		curl_setopt($cURL, CURLOPT_POST, true); // POST back
-		curl_setopt($cURL, CURLOPT_POSTFIELDS, $IPN); // the $IPN
-		curl_setopt($cURL, CURLOPT_HEADER, false);
-		curl_setopt($cURL, CURLOPT_RETURNTRANSFER, true);
-		curl_setopt($cURL, CURLOPT_FORBID_REUSE, true);
-		curl_setopt($cURL, CURLOPT_FRESH_CONNECT, true);
-		curl_setopt($cURL, CURLOPT_CONNECTTIMEOUT, 30);
-		curl_setopt($cURL, CURLOPT_TIMEOUT, 60);
-		curl_setopt($cURL, CURLINFO_HEADER_OUT, true);
-		curl_setopt($cURL, CURLOPT_HTTPHEADER, array(
-			'Connection: close',
-			'Expect: ',
-		));
-		$Response = curl_exec($cURL);
-		$Status = (int)curl_getinfo($cURL, CURLINFO_HTTP_CODE);
-		curl_close($cURL);
-		if(empty($Response) or !preg_match('~^(VERIFIED|INVALID)$~i', $Response = trim($Response)) or !$Status){
-			return null;
-		}
-		if(intval($Status / 100) != 2){
-			return false;
-		}
-		return !strcasecmp($Response, 'VERIFIED');
+	if(intval($Status / 100) != 2){
+		return false;
 	}
+	return !strcasecmp($Response, 'VERIFIED');
+}
 
-	// Fetch paypal configurations
-	$paypal = $config['paypal'];
-	$prices = $config['paypal_prices'];
+// Fetch paypal configurations
+$paypal = $config['paypal'];
+$prices = $config['paypal_prices'];
 
-	// Send an empty HTTP 204 OK response to acknowledge receipt of the notification
-	http_response_code(204);
+// Send an empty HTTP 204 OK response to acknowledge receipt of the notification
+http_response_code(204);
 
-	// Build the required acknowledgement message out of the notification just received
-	$postdata = 'cmd=_notify-validate';
-	if(!empty($_POST)){
-		$postdata.="&".http_build_query($_POST);
-	}
-	// Assign payment notification values to local variables
-	$item_name        = $_POST['item_name'];
-	$item_number      = $_POST['item_number'];
-	$payment_status   = $_POST['payment_status'];
-	$payment_amount   = $_POST['mc_gross'];
-	$payment_currency = $_POST['mc_currency'];
-	$txn_id           = getValue($_POST['txn_id']);
-	$receiver_email   = getValue($_POST['receiver_email']);
-	$payer_email      = getValue($_POST['payer_email']);
-	$custom           = (int)$_POST['custom'];
+// Build the required acknowledgement message out of the notification just received
+$postdata = 'cmd=_notify-validate';
+if(!empty($_POST)){
+	$postdata.="&".http_build_query($_POST);
+}
+// Assign payment notification values to local variables
+$item_name        = $_POST['item_name'];
+$item_number      = $_POST['item_number'];
+$payment_status   = $_POST['payment_status'];
+$payment_amount   = $_POST['mc_gross'];
+$payment_currency = $_POST['mc_currency'];
+$txn_id           = getValue($_POST['txn_id']);
+$receiver_email   = getValue($_POST['receiver_email']);
+$payer_email      = getValue($_POST['payer_email']);
+$custom           = (int)$_POST['custom'];
 
-	$connectedIp = $_SERVER['REMOTE_ADDR'];
-	mysql_insert("INSERT INTO `znote_paypal` VALUES ('0', '0', 'Connection from IP: $connectedIp', '0', '0', '0')");
+$connectedIp = $_SERVER['REMOTE_ADDR'];
+mysql_insert("INSERT INTO `znote_paypal` VALUES ('0', '0', 'Connection from IP: $connectedIp', '0', '0', '0')");
 
-	$status = VerifyPaypalIPN();
-	if ($status) {
-		// Check that the payment_status is Completed
-		if ($payment_status == 'Completed') {
+$status = VerifyPaypalIPN();
+if ($status) {
+	// Check that the payment_status is Completed
+	if ($payment_status == 'Completed') {
 
 
-			// Check that txn_id has not been previously processed
-			$txn_id_check = mysql_select_single("SELECT `txn_id` FROM `znote_paypal` WHERE `txn_id`='$txn_id'");
-			if ($txn_id_check !== true) {
-				// Check that receiver_email is your Primary PayPal email
-				if ($receiver_email == $paypal['email']) {
+		// Check that txn_id has not been previously processed
+		$txn_id_check = mysql_select_single("SELECT `txn_id` FROM `znote_paypal` WHERE `txn_id`='$txn_id'");
+		if ($txn_id_check !== true) {
+			// Check that receiver_email is your Primary PayPal email
+			if ($receiver_email == $paypal['email']) {
 
-					$status = true;
-					$paidMoney = 0;
-					$paidPoints = 0;
+				$status = true;
+				$paidMoney = 0;
+				$paidPoints = 0;
 
-					foreach ($prices as $priceValue => $pointsValue) {
-						if ($priceValue == $payment_amount) {
-							$paidMoney = $priceValue;
-							$paidPoints = $pointsValue;
-						}
+				foreach ($prices as $priceValue => $pointsValue) {
+					if ($priceValue == $payment_amount) {
+						$paidMoney = $priceValue;
+						$paidPoints = $pointsValue;
 					}
-
-					if ($paidMoney == 0) $status = false; // Wrong ammount of money
-					if ($payment_currency != $paypal['currency']) $status = false; // Wrong currency
-
-					// Verify that the user havent messed around with POST data
-					if ($status) {
-						// transaction log
-						mysql_insert("INSERT INTO `znote_paypal` VALUES ('0', '$txn_id', '$payer_email', '$custom', '".$paidMoney."', '".$paidPoints."')");
-
-						// Process payment
-						$data = mysql_select_single("SELECT `points` AS `old_points` FROM `znote_accounts` WHERE `account_id`='$custom';");
-
-						// Give points to user
-						$new_points = $data['old_points'] + $paidPoints;
-						mysql_update("UPDATE `znote_accounts` SET `points`='$new_points' WHERE `account_id`='$custom'");
-					}
-				}  else {
-					$pmail = $paypal['email'];
-					mysql_insert("INSERT INTO `znote_paypal` VALUES ('0', '$txn_id', 'ERROR: Wrong mail. Received: $receiver_email, configured: $pmail', '0', '0', '0')");
 				}
+
+				if ($paidMoney == 0) $status = false; // Wrong ammount of money
+				if ($payment_currency != $paypal['currency']) $status = false; // Wrong currency
+
+				// Verify that the user havent messed around with POST data
+				if ($status) {
+					// transaction log
+					mysql_insert("INSERT INTO `znote_paypal` VALUES ('0', '$txn_id', '$payer_email', '$custom', '".$paidMoney."', '".$paidPoints."')");
+
+					// Process payment
+					$data = mysql_select_single("SELECT `points` AS `old_points` FROM `znote_accounts` WHERE `account_id`='$custom';");
+
+					// Give points to user
+					$new_points = $data['old_points'] + $paidPoints;
+					mysql_update("UPDATE `znote_accounts` SET `points`='$new_points' WHERE `account_id`='$custom'");
+				}
+			}  else {
+				$pmail = $paypal['email'];
+				mysql_insert("INSERT INTO `znote_paypal` VALUES ('0', '$txn_id', 'ERROR: Wrong mail. Received: $receiver_email, configured: $pmail', '0', '0', '0')");
 			}
 		}
-	} else {
-		// Something is wrong
-		mysql_insert("INSERT INTO `znote_paypal` VALUES ('0', '$txn_id', 'ERROR: Invalid data. $postdata', '0', '0', '0')");
 	}
+} else {
+	// Something is wrong
+	mysql_insert("INSERT INTO `znote_paypal` VALUES ('0', '$txn_id', 'ERROR: Invalid data. $postdata', '0', '0', '0')");
+}
 ?>