From 8aa6674831c7c2329d06b8dc9db7801cb4997695 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Javier=20Mar=C3=ADn?= <javier@marinros.com>
Date: Wed, 16 Sep 2020 03:08:14 +0200
Subject: [PATCH] Allow null values in `setVar` method (#73)

* Added handler to define not found variables
Added support for string variables
Fixed strings and ints comparison error

* Check if variables have scalar types (int, float, string and bool)
Better $onVarNotFound logic

* Better support for null variables

* Better support for null variables

* Better support for null variables

* Allow null values in `setVar` method
---
 src/NXP/MathExecutor.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/NXP/MathExecutor.php b/src/NXP/MathExecutor.php
index f45335c..b7abcad 100644
--- a/src/NXP/MathExecutor.php
+++ b/src/NXP/MathExecutor.php
@@ -431,7 +431,7 @@ public function getVar(string $variable)
      */
     public function setVar(string $variable, $value) : self
     {
-        if (!is_scalar($value)) {
+        if (!is_scalar($value) && $value !== null) {
             $type = gettype($value);
             throw new MathExecutorException("Variable ({$variable}) type ({$type}) is not scalar");
         }