fix phpstan warnings

1 files changed, 2 insertions, 5 deletions

diff --git a/init.php b/init.php
index 1df795c..ed9292d 100644
--- a/init.php
+++ b/init.php
@@ -1,11 +1,7 @@
 <?php
 class Close_Button extends Plugin {
-	private $host;
-
 	function init($host) {
-		$this->host = $host;
-
-		$host->add_hook($this->host::HOOK_ARTICLE_BUTTON, $this);
+		$this->host->add_hook($this->host::HOOK_ARTICLE_BUTTON, $this);
 	}
 
 	function about() {
@@ -24,6 +20,7 @@ class Close_Button extends Plugin {
 				style='cursor : pointer' onclick='Article.close()'
 				title='".__('Close article')."'>close</i>";
 		}
+		return "";
 	}
 
 	function api_version() {