From 10f0d311375fb95daeb6e5bc3fbf380dff6419e3 Mon Sep 17 00:00:00 2001
From: Pavel Dohnal <pavel@mailpoet.com>
Date: Wed, 22 Apr 2020 10:35:47 +0200
Subject: [PATCH] Make sure the file is opened for export

[MAILPOET-2716]
---
 lib/Subscribers/ImportExport/Export/Export.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/Subscribers/ImportExport/Export/Export.php b/lib/Subscribers/ImportExport/Export/Export.php
index aae5c7a4a1..61f55d8aa6 100644
--- a/lib/Subscribers/ImportExport/Export/Export.php
+++ b/lib/Subscribers/ImportExport/Export/Export.php
@@ -25,7 +25,7 @@ class Export {
   public $dynamicSubscribersGetter;
 
   public function __construct($data) {
-    if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) {
+    if (strpos((string)@ini_get('disable_functions'), 'set_time_limit') === false) {
       set_time_limit(0);
     }
 
@@ -89,6 +89,9 @@ class Export {
     $processedSubscribers = 0;
     $formattedSubscriberFields = $this->formattedSubscriberFields;
     $cSVFile = fopen($this->exportFile, 'w');
+    if ($cSVFile === false) {
+      throw new \Exception(__('Failed opening file for export.', 'mailpoet'));
+    }
     $formatCSV = function($row) {
       return '"' . str_replace('"', '\"', $row) . '"';
     };