Addd a new Medium:exists() method

CHANGELOG.md

@@ -5,6 +5,7 @@
     * Added new `Collection::toExtendedArray()` method that's particularly useful for Json output of data
     * Added new `|yaml_encode` and `|yaml_decode` Twig filter to convert to and from YAML
     * Added new `read_file()` Twig function to allow you to load and display a file in Twig (Supports streams and regular paths)
+    * Added a new `Medium::exists()` method to check for file existence
 1. [](#improved)
     * Better `Page.collection()` filtering support including ability to have non-published pages in collections
 

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

@@ -92,6 +92,20 @@ public function meta()
         return new Data($this->items);
     }
 
+    /**
+     * Check if this medium exists or not
+     *
+     * @return bool
+     */
+    public function exists()
+    {
+        $path = $this->get('filepath');
+        if (file_exists($path)) {
+            return true;
+        }
+        return false;
+    }
+
     /**
      * Returns an array containing just the metadata
      *