Add a mysqli_result to CSV exporter helper

framework/classes/CSVExporter.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * CSVExporter.
+ * Exports \mysqli_result to CSV
+ *
+ * @package framework/classes
+ * @filesource framework/classes/CSVExporter.php
+ * @author Rosario Carvello <[email protected]>
+ * @version GIT:v1.1.0
+ * @copyright (c) 2024 Rosario Carvello <[email protected]> - All rights reserved. See License.txt file
+ * @license BSD Clause 3 License
+ * @license https://opensource.org/licenses/BSD-3-Clause This software is distributed under BSD-3-Clause Public License
+ */
+
+namespace framework\classes;
+
+class CSVExporter
+{
+
+    /**
+     * @param \mysqli_result|null $result The given mysqli_result to export as CSV
+     */
+    public function __construct(\mysqli_result $result = null)
+    {
+        if (!$result)
+            return false;
+        $headers = $result->fetch_fields();
+        foreach ($headers as $header) {
+            $head[] = $header->name;
+        }
+        $fp = fopen('php://output', 'w');
+
+        if ($fp && $result) {
+            header('Content-Type: text/csv');
+            header('Content-Disposition: attachment; filename="csv_export.csv"');
+            header('Pragma: no-cache');
+            header('Expires: 0');
+            fputcsv($fp, array_values($head));
+            while ($row = $result->fetch_array(MYSQLI_NUM)) {
+                fputcsv($fp, array_values($row));
+            }
+            die;
+        }
+    }
+}