Update system/Boot.php

Co-authored-by: Pooya Parsa <[email protected]>

Author: michalsn

system/Boot.php

@@ -196,10 +196,12 @@ protected static function definePathConstants(Paths $paths): void
 
         // The path to the writable directory.
         if (! defined('WRITEPATH')) {
-            if (($writePath = realpath(rtrim($paths->writableDirectory, '\\/ '))) === false) {
+
+            $writePath = realpath(rtrim($paths->writableDirectory, '\\/ '));
+        
+            if ($writePath === false) {
                 header('HTTP/1.1 503 Service Unavailable.', true, 503);
                 echo 'The WRITEPATH is not set correctly.';
-
                 // EXIT_ERROR is not yet defined
                 exit(1);
             }