fix #5010 function exec() is disabled (#5012)

* fix #5010 function exec() is disabled * Improve error message Co-authored-by: Thomas Bley <thomas.bley@bringmeister.de> Co-authored-by: Matthew Brown <github@muglug.com>
vimeo · Jan 14, 2021 · 080cf61 · 080cf61
1 parent ef4afd7
commit 080cf61
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/Psalm/Internal/ExecutionEnvironment/SystemCommandExecutor.php b/src/Psalm/Internal/ExecutionEnvironment/SystemCommandExecutor.php
@@ -22,6 +22,10 @@ final class SystemCommandExecutor
      */
     public function execute(string $command) : array
     {
+        if (!\function_exists('exec')) {
+            throw new \RuntimeException(sprintf('exec does not exist, failed to execute command: %s', $command));
+        };
+
         exec($command, $result, $returnValue);
 
         if ($returnValue === 0) {