test updates & working on calculating condition values based on orders

src/Helpers/Helpers.php

@@ -56,6 +56,10 @@ public static function issetAndHasValueOrAssignDefault(&$var, $default = false)
 
     public static function formatValue($value, $formatNumber, $config)
     {
+        if (! $value) {
+            return 0;
+        }
+
         if ($formatNumber || $config['format_numbers']) {
             return floatval(number_format($value, $config['decimals'], $config['dec_point'], $config['thousands_sep']));
         } else {