From 6efaec1e15352c188c951773b960df05ff489258 Mon Sep 17 00:00:00 2001
From: jamiepratt <me@jamiep.org>
Date: Sat, 16 Apr 2011 18:10:18 +0700
Subject: [PATCH] NOBUG move function definition is_valid_var_or_func_name
 above 'HERE BE INTERNAL METHODS' line.

---
 lib/evalmath/evalmath.class.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/evalmath/evalmath.class.php b/lib/evalmath/evalmath.class.php
index 6195079214f..3e4041b245c 100644
--- a/lib/evalmath/evalmath.class.php
+++ b/lib/evalmath/evalmath.class.php
@@ -176,6 +176,14 @@ class EvalMath {
         return $output;
     }
 
+    /**
+     * @param string $name
+     * @return boolean Is this a valid var or function name?
+     */
+    public static function is_valid_var_or_func_name($name){
+        return preg_match('/'.self::$namepat.'$/iA', $name);
+    }
+
     //===================== HERE BE INTERNAL METHODS ====================\\
 
     // Convert infix to postfix notation
@@ -428,6 +436,7 @@ class EvalMath {
         if (!$this->suppress_errors) trigger_error($msg, E_USER_WARNING);
         return false;
     }
+
 }
 
 // for internal use