Fix undefined array key when argv doesn't exists

bobthecow · Jul 28, 2023 · 7b7cd62 · 7b7cd62
1 parent 1724cef
commit 7b7cd62
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Readline/Hoa/Protocol.php b/src/Readline/Hoa/Protocol.php
@@ -87,7 +87,7 @@ public static function getInstance(): self
     protected function initialize()
     {
         $root = \dirname(__DIR__, 3);
-        $argv0 = \realpath($_SERVER['argv'][0]);
+        $argv0 = isset($_SERVER['argv'][0]) ? \realpath($_SERVER['argv'][0]) : false;
 
         $cwd =
             'cli' === \PHP_SAPI