Warning: require(./includes/ismobile.php): failed to open stream: No such file or directory in /home/lanad/public_html/file.php on line 3

Warning: require(./includes/ismobile.php): failed to open stream: No such file or directory in /home/lanad/public_html/file.php on line 3

Fatal error: require(): Failed opening required './includes/ismobile.php' (include_path='.:/usr/lib64/php') in /home/lanad/public_html/file.php on line 3