Add X13 WebP module for image conversion to next-generation formats

- Implemented the main module class with essential properties and methods.
- Added translation support for various user interface strings.
- Created XML configuration file for module versioning.
- Ensured compatibility with different PHP versions and PrestaShop versions.

modules/x13webp/vendor/rosell-dk/exec-with-fallback/src/Availability.php

@@ -0,0 +1,39 @@
+<?php
+namespace ExecWithFallback;
+
+/**
+ * Check if any of the methods are available on the system.
+ *
+ * @package    ExecWithFallback
+ * @author     Bjørn Rosell <it@rosell.dk>
+ */
+class Availability extends ExecWithFallback
+{
+
+    /**
+     * Check if any of the methods are available on the system.
+     *
+     * @param boolean $needResultCode  Whether the code using this library is going to supply $result_code to the exec
+     *         call. This matters because shell_exec is only available when not.
+     */
+    public static function anyAvailable($needResultCode = true)
+    {
+        foreach (self::$methods as $method) {
+            if (self::methodAvailable($method, $needResultCode)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static function methodAvailable($method, $needResultCode = true)
+    {
+        if (!ExecWithFallback::functionEnabled($method)) {
+            return false;
+        }
+        if ($needResultCode) {
+            return ($method != 'shell_exec');
+        }
+        return true;
+    }
+}