View file File name : class.u.shell.php Content :<?php defined('ABSPATH') || defined('DUPXABSPATH') || exit; // Exit if accessed directly if (! defined('DUPLICATOR_VERSION')) { exit; } class DUP_Shell_U { /** * Escape a string to be used as a shell argument with bypass support for Windows * * NOTES: * Provides a way to support shell args on Windows OS and allows %,! on Windows command line * Safe if input is know such as a defined constant and not from user input escape shellarg * on Windows with turn %,! into spaces * * @return string */ public static function escapeshellargWindowsSupport($string) { if (strncasecmp(PHP_OS, 'WIN', 3) == 0) { if (strstr($string, '%') || strstr($string, '!')) { $result = '"' . str_replace('"', '', $string) . '"'; return $result; } } return escapeshellarg($string); } /** * * @return boolean */ public static function isPopenEnabled() { if (!DUP_Util::isIniFunctionEnalbe('popen') || !DUP_Util::isIniFunctionEnalbe('proc_open')) { $ret = false; } else { $ret = true; } $ret = apply_filters('duplicator_is_popen_enabled', $ret); return $ret; } }