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modules/ps_metrics/src/Helper/JsonHelper.php

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+<?php
+
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License version 3.0
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
+ */
+
+namespace PrestaShop\Module\Ps_metrics\Helper;
+
+class JsonHelper
+{
+    /**
+     * Encode the data to json and check and force the return to empty string if false
+     *
+     * @param mixed $data
+     *
+     * @return string
+     */
+    public function jsonEncode($data): string
+    {
+        $json = json_encode($data);
+        if (empty($data)) {
+            $json = json_encode($data, JSON_FORCE_OBJECT);
+        }
+
+        if (false !== $json) {
+            return $json;
+        }
+
+        return '';
+    }
+
+    /**
+     * Check if the json is valid and returns an empty data if not
+     *
+     * @param string|false $json
+     * @param bool $assoc
+     *
+     * @return array $data
+     */
+    public function jsonDecode($json, bool $assoc = true): array
+    {
+        if ($json) {
+            $data = json_decode($json, $assoc);
+
+            if (JSON_ERROR_NONE === json_last_error()) {
+                return $data;
+            }
+        }
+
+        return [];
+    }
+
+    /**
+     * Check if string is JSON
+     *
+     * @param string $string
+     *
+     * @return bool
+     */
+    public function isJson(string $string): bool
+    {
+        json_decode($string);
+
+        return json_last_error() == JSON_ERROR_NONE;
+    }
+}