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-rw-r--r--lib/classes/LinkButton.class.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/classes/LinkButton.class.php b/lib/classes/LinkButton.class.php
index f203841..848d2e6 100644
--- a/lib/classes/LinkButton.class.php
+++ b/lib/classes/LinkButton.class.php
@@ -36,7 +36,7 @@ class LinkButton extends Interactable
public function __toString()
{
// add "button" to attribute @class
- if (!isset($this->attributes['class'])) {
+ if (empty($this->attributes['class'])) {
$this->attributes['class'] = '';
}
$this->attributes['class'] .= ' button';