sample implementation of frontmatter in pages

system/blueprints/pages/raw.yaml

@@ -33,3 +33,6 @@ form:
       @data-options: '\Grav\Common\Page\Pages::types'
       validate:
         required: true
+
+
+

system/src/Grav/Common/Filesystem/File/Markdown.php

@@ -59,6 +59,25 @@ class Markdown extends General
         return $content['markdown'];
     }
 
+    /**
+     * Get/set frontmatter content.
+     *
+     * @param string $var
+     *
+     * @return string
+     */
+    public function frontmatter($var = null)
+    {
+        $content = $this->content();
+
+        if ($var !== null) {
+            $content['frontmatter'] = (string) $var;
+            $this->content($content);
+        }
+
+        return $content['frontmatter'];
+    }
+
     /**
      * Check contents and make sure it is in correct format.
      *
@@ -104,13 +123,18 @@ class Markdown extends General
     protected function decode($var)
     {
         $content = array();
+        $content['header'] = array();
+        $content['frontmatter'] = array();
 
         // Normalize line endings to Unix style.
         $var = preg_replace("/(\r\n|\r)/", "\n", $var);
 
         // Parse header.
         preg_match("/---\n(.+?)\n---(\n\n|$)/uism", $var, $m);
-        $content['header'] = isset($m[1]) ? YamlParser::parse(preg_replace("/\n\t/", "\n    ", $m[1])) : array();
+        if (isset($m[1])) {
+            $content['frontmatter'] = preg_replace("/\n\t/", "\n    ", $m[1]);
+            $content['header'] = YamlParser::parse($content['frontmatter']);
+        }
 
         // Strip header to get content.
         $content['markdown'] = trim(preg_replace("/---\n(.+?)\n---(\n\n|$)/uism", '', $var));

system/src/Grav/Common/Page/Page.php

@@ -54,6 +54,7 @@ class Page
     protected $modified;
     protected $id;
     protected $header;
+    protected $frontmatter;
     protected $content;
     protected $raw_content;
     protected $pagination;
@@ -140,6 +141,14 @@ class Page
         return $file ? $file->raw() : '';
     }
 
+    public function frontmatter($var = null) {
+
+        if ($var) {
+            $this->frontmatter = $var;
+        }
+        return $this->frontmatter;
+    }
+
     /**
      * Gets and Sets the header based on the YAML configuration at the top of the .md file
      *
@@ -164,6 +173,7 @@ class Page
             $file = $this->file();
             if ($file) {
                 $this->raw_content = $file->markdown();
+                $this->frontmatter = $file->frontmatter();
                 $this->header = (object) $file->header();
 
                 $var = true;
@@ -254,6 +264,8 @@ class Page
         return Utils::truncateHTML($content, $size);
     }
 
+
+
     /**
      * Gets and Sets the content based on content portion of the .md file
      *