Refactored TDF processing PHP code to confirm to new TDF format

build/scripts/Targets/TargetDescriptionFiles/Signal.php

@@ -0,0 +1,25 @@
+<?php
+namespace Targets\TargetDescriptionFiles;
+
+class Signal
+{
+    public ?string $padId = null;
+    public ?int $index = null;
+    public ?string $function = null;
+    public ?string $group = null;
+    public ?string $field = null;
+
+    public function __construct(
+        ?string $padId,
+        ?int $index,
+        ?string $function,
+        ?string $group,
+        ?string $field
+    ) {
+        $this->padId = $padId;
+        $this->index = $index;
+        $this->function = $function;
+        $this->group = $group;
+        $this->field = $field;
+    }
+}