# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1585920300 -10800
# Node ID b816e80bc002e154eda1d75d7c1f41fc37e07d5b
# Parent  da150fe627b6ef9df718fd417b9cfcbfe57abed8
Add a check for that we are running on PHP 7.1 or later if WebP format images are being used.

diff -r da150fe627b6 -r b816e80bc002 mgallery.inc.php
--- a/mgallery.inc.php	Fri Apr 03 16:24:06 2020 +0300
+++ b/mgallery.inc.php	Fri Apr 03 16:25:00 2020 +0300
@@ -208,9 +208,20 @@
 function mgGetAlbumSetting(&$data, $key, $default = NULL)
 {
   if (array_key_exists($key, $data))
-    return $data[$key];
+    $val = $data[$key];
   else
-    return mgGetSetting($key, $default);
+    $val = mgGetSetting($key, $default);
+
+  // XXX This is a rather silly place for this check, but since any album can
+  // set their own formats, we can't do this check globally without scanning
+  // all the sub-albums etc .. maybe we'll do that some day.
+  if (($key == "tn_format" || $key == "med_format") &&
+      $val == "webp" && version_compare(PHP_VERSION, "7.1.0") < 0)
+  {
+    die("ERROR: WEBP image format support requires PHP version 7.1 or later.");
+  }
+
+  return $val;
 }