From 0729b6b9bc0e3cebb868f889e88676b95c121a50 Mon Sep 17 00:00:00 2001
From: Bruce Wells <brucekwells@gmail.com>
Date: Thu, 10 Jan 2019 12:45:54 -0500
Subject: Syncing from origin (#3)

* Documentation fixes (#34)

Fixing typos in and clarifying documentation.

* MathExecutor allow override default operators, functions and vars (#36)
---
 src/NXP/Classes/TokenFactory.php | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'src/NXP/Classes')

diff --git a/src/NXP/Classes/TokenFactory.php b/src/NXP/Classes/TokenFactory.php
index 6956f31..4ed55af 100644
--- a/src/NXP/Classes/TokenFactory.php
+++ b/src/NXP/Classes/TokenFactory.php
@@ -50,12 +50,17 @@ class TokenFactory
 
     /**
      * Add function
-     * @param string   $name
+     * @param string $name
      * @param callable $function
-     * @param int      $places
+     * @param int $places
+     * @throws \ReflectionException
      */
-    public function addFunction($name, callable $function, $places = 1)
+    public function addFunction($name, callable $function, $places = null)
     {
+        if ($places === null) {
+            $reflector = new \ReflectionFunction($function);
+            $places = $reflector->getNumberOfParameters();
+        }
         $this->functions[$name] = [$places, $function];
     }
 
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