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-rw-r--r--include/functions.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/functions.php b/include/functions.php
index eeed5650d..2994dd438 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -3434,7 +3434,7 @@
$button_plugins = explode(",", ARTICLE_BUTTON_PLUGINS);
foreach ($button_plugins as $p) {
- $pclass = trim("button_${p}");
+ $pclass = "button_" . trim($p);
if (class_exists($pclass)) {
$plugin = new $pclass($link);