From 81792d25957f68126d53d45fca8bc15de088123a Mon Sep 17 00:00:00 2001
From: kkigomi <112419763+kkigomi@users.noreply.github.com>
Date: Mon, 26 Jun 2023 22:34:49 +0900
Subject: [PATCH] =?UTF-8?q?Hook=EC=97=90=20Closure=EB=A5=BC=20=EB=A6=AC?=
 =?UTF-8?q?=EC=8A=A4=EB=84=88=EB=A1=9C=20=EB=93=B1=EB=A1=9D=ED=95=A0=20?=
 =?UTF-8?q?=EC=88=98=20=EC=9E=88=EB=8F=84=EB=A1=9D=20=EA=B0=9C=EC=84=A0?=
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---
 lib/Hook/hook.extends.class.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Hook/hook.extends.class.php b/lib/Hook/hook.extends.class.php
index bf5bc03e2..fd53543cb 100644
--- a/lib/Hook/hook.extends.class.php
+++ b/lib/Hook/hook.extends.class.php
@@ -19,7 +19,7 @@ Class GML_Hook extends Hook {
 
         $args = $this->getArguments($argsNumber, $args);
 
-        if (! ($class && $method) && function_exists($function)) {
+        if (! ($class && $method) && is_callable($function)) {
             return call_user_func_array($function, $args);
         } elseif ($obj = call_user_func(array($class, $this->singleton))) {
             if ($obj !== false) {
@@ -161,4 +161,4 @@ Class GML_Hook extends Hook {
     }
 }
 
-// end  Hook Class;
\ No newline at end of file
+// end  Hook Class;