Added option to fill the form by adding the data parameter to the options.

lib/Lewp/Forms/Torunn.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Lewp\Forms;
+
+class Torunn
+{
+
+    private static $direct_inputs = [
+        'input'
+    ];
+
+    private static $indirect_inputs = [
+        'select'
+    ];
+
+    public static function fill(\DOMNode $form, array $data_array)
+    {
+        self::traverse($form, $data_array);
+    }
+
+    private static function traverse($node, array &$data, bool $recursive = true)
+    {
+        $children = $node->childNodes;
+        $children_count = count($children);
+        for ($i = 0; $i < $children_count; ++$i) {
+            $child = $children[$i];
+
+            if (in_array($child->tagName, self::$direct_inputs)) {
+                self::fillDirectInput($child, array_shift($data) ?? '');
+                continue;
+                //$child->setAttribute('value', array_shift($data) ?? 'empty');
+            }
+
+            if ($child->tagName === 'select') {
+                self::fillSelectElement($child, array_shift($data) ?? '');
+                continue;
+            }
+
+            if ($recursive) {
+                self::traverse($child, $data);
+            }
+        }
+    }
+
+    private static function fillDirectInput($node, $value)
+    {
+        if ($value === '') {
+            return;
+        }
+        $node->setAttribute('value', $value);
+    }
+
+    private static function fillSelectElement($node, $value)
+    {
+        if ($value === '') {
+            return;
+        }
+        $children = $node->childNodes;
+        foreach ($children as $child) {
+            if (($child->tagName === 'option')
+                && ($child->getAttribute('value') === $value)
+            ) {
+                $child->setAttribute('selected', 'selected');
+                return;
+            }
+        }
+    }
+}