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wp-content/plugins/duplicator-pro/installer/dup-installer/classes/config/class.conf.utils.php

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+<?php
+
+/**
+ * Standard: PSR-2
+ *
+ * @link http://www.php-fig.org/psr/psr-2 Full Documentation
+ *
+ * @package SC\DUPX
+ */
+
+use Duplicator\Installer\Core\Security;
+use Duplicator\Libs\Snap\FunctionalityCheck;
+use Duplicator\Libs\Snap\SnapUtil;
+
+defined('ABSPATH') || defined('DUPXABSPATH') || exit;
+
+/**
+ * In this class all the utility functions related to the wordpress configuration and the package are defined.
+ */
+class DUPX_Conf_Utils
+{
+    /**
+     *
+     * @staticvar bool $present
+     * @return    bool
+     */
+    public static function isManualExtractFilePresent()
+    {
+        static $present = null;
+        if (is_null($present)) {
+            $present = file_exists(DUPX_Package::getManualExtractFile());
+        }
+        return $present;
+    }
+
+    /**
+     *
+     * @staticvar null|bool $enable
+     * @return    bool
+     */
+    public static function isShellZipAvailable()
+    {
+        static $enable = null;
+        if (is_null($enable)) {
+            $enable = DUPX_Server::get_unzip_filepath() != null;
+        }
+        return $enable;
+    }
+
+    /**
+     *
+     * @return bool
+     */
+    public static function isPhpZipAvailable()
+    {
+        return SnapUtil::classExists(ZipArchive::class);
+    }
+
+    /**
+     *
+     * @staticvar bool $exists
+     * @return    bool
+     */
+    public static function archiveExists()
+    {
+        static $exists = null;
+        if (is_null($exists)) {
+            $exists = file_exists(Security::getInstance()->getArchivePath());
+        }
+        return $exists;
+    }
+
+    /**
+     * Get archive size
+     *
+     * @return int
+     */
+    public static function archiveSize()
+    {
+        static $arcSize = null;
+        if (is_null($arcSize)) {
+            $archivePath = Security::getInstance()->getArchivePath();
+            $arcSize     = file_exists($archivePath) ? (int) @filesize($archivePath) : 0;
+        }
+        return $arcSize;
+    }
+}