PHP_OS

workerman/bin/workermand

@@ -17,7 +17,7 @@ define('WORKERMAN_ROOT_DIR', realpath(__DIR__."/../")."/");
 
 chdir(WORKERMAN_ROOT_DIR);
 
-if(0 === strpos('win', strtolower(PHP_OS)))
+if(0 === strpos(strtolower(PHP_OS), 'win'))
 {
     exit("Workerman can not run on Windows operating system\n");
 }