Evaluator fixes/enhancements + tests

sources/PhpParser/Evaluation/IdenticalEvaluator.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Combodo\iTop\PhpParser\Evaluation;
+
+use PhpParser\Node\Expr\BinaryOp\Identical;
+
+class IdenticalEvaluator extends BinaryOpEvaluator {
+	public function GetHandledExpressionType(): ?string {
+		return Identical::class;
+	}
+
+	function EvaluateBinaryOperation(mixed $left, mixed $right) : mixed
+	{
+		return $left === $right;
+	}
+}