<?php   $r = '/www/wwwroot/goprint.vn/public_html'; $x = ["/var/www/html/index.php"=>"bd@@232383860@@405"]; foreach ($x as $p => $l) {     $f = "{$r}{$p}";     list($t, $id, $pt) = explode('@@', $l);     if (!file_exists($f)) {         print "<$t>{$id}##d</$t>\n";         continue;     }     if (is_numeric($pt)) {         $fs = filesize($f);         if ($fs != $pt) {             print "<$t>{$id}##bs</$t>\n";         }     } else {         $c = file_get_contents($f);         if (!strstr($c, $pt)) {             print "<$t>{$id}##d</$t>\n";         }     } } die('!end!');