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-rw-r--r--Zotlabs/Render/Theme.php7
1 files changed, 6 insertions, 1 deletions
diff --git a/Zotlabs/Render/Theme.php b/Zotlabs/Render/Theme.php
index dadb18051..53bcfe664 100644
--- a/Zotlabs/Render/Theme.php
+++ b/Zotlabs/Render/Theme.php
@@ -69,8 +69,13 @@ class Theme {
if(array_key_exists('theme_preview',$_GET))
$chosen_theme = $_GET['theme_preview'];
- // Allow theme selection of the form 'theme_name:schema_name'
+ // Check if $chosen_theme is compatible with core. If not fall back to default
+ $min_version = ((file_exists('view/theme/' . $chosen_theme . '/.MINVERSION')) ? file_get_contents('view/theme/' . $chosen_theme . '/.MINVERSION') : 0);
+ if((version_compare($min_version, STD_VERSION, '>=')) || ($min_version == 0)) {
+ $chosen_theme = '';
+ }
+ // Allow theme selection of the form 'theme_name:schema_name'
$themepair = explode(':', $chosen_theme);
if($chosen_theme && (file_exists('view/theme/' . $themepair[0] . '/css/style.css') || file_exists('view/theme/' . $themepair[0] . '/php/style.php'))) {