Added chunk_split() twig filter

CHANGELOG.md

@@ -2,8 +2,9 @@
 ## xx/xx/2017
 
 1. [](#new)
+    * Added support for 2-Factor Authentication in admin profile
     * Added `gaussianBlur` media method [#1623](https://github.com/getgrav/grav/pull/1623)
-    * Added support for 2-Factor Auth in admin profile
+    * Added new `|chunk_split()` Twig filter
 1. [](#improved)
     * Added options to `Page::summary()` to support size without HTML tags [#1554](https://github.com/getgrav/grav/issues/1554)
     * Forced `natsort` on plugins to ensure consistent plugin load ordering across platforms [#1614](https://github.com/getgrav/grav/issues/1614)

system/src/Grav/Common/Twig/TwigExtension.php

@@ -67,6 +67,8 @@ class TwigExtension extends \Twig_Extension
             new \Twig_SimpleFilter('*ize', [$this, 'inflectorFilter']),
             new \Twig_SimpleFilter('absolute_url', [$this, 'absoluteUrlFilter']),
             new \Twig_SimpleFilter('contains', [$this, 'containsFilter']),
+            new \Twig_SimpleFilter('chunk_split', [$this, 'chunkSplitFilter']),
+
             new \Twig_SimpleFilter('defined', [$this, 'definedDefaultFilter']),
             new \Twig_SimpleFilter('ends_with', [$this, 'endsWithFilter']),
             new \Twig_SimpleFilter('fieldName', [$this, 'fieldNameFilter']),
@@ -377,6 +379,19 @@ class TwigExtension extends \Twig_Extension
         return $array;
     }
 
+    /**
+     * Wrapper for chunk_split() function
+     *
+     * @param $value
+     * @param $chars
+     * @param string $split
+     * @return string
+     */
+    public function chunkSplitFilter($value, $chars, $split = '-')
+    {
+        return chunk_split($value, $chars, $split);
+    }
+
     /**
      * determine if a string contains another
      *