Fix another 8.5 deprecation

ondrejmirtes · ondrejmirtes · commit 44deb6bf4590 · 2025-09-08T12:28:59.000+02:00
diff --git a/composer.json b/composer.json
@@ -102,6 +102,7 @@
 			],
 			"hoa/compiler": [
 				"patches/HoaException.patch",
+				"patches/HoaParser.patch",
 				"patches/Invocation.patch",
 				"patches/Rule.patch",
 				"patches/Lexer.patch",
diff --git a/composer.lock b/composer.lock
diff --git a/patches/HoaParser.patch b/patches/HoaParser.patch
@@ -0,0 +1,11 @@
+--- Llk/Parser.php	2017-08-08 09:44:07
++++ Llk/Parser.php	2025-09-08 12:20:08
+@@ -169,7 +169,7 @@
+         $this->_trace      = [];
+         $this->_todo       = [];
+
+-        if (false === array_key_exists($rule, $this->_rules)) {
++        if (false === array_key_exists($rule ?? '', $this->_rules)) {
+             $rule = $this->getRootRule();
+         }
+
