image helper should automatically create destination directory if nee…

…ded and possible

classes/core/obfhelpers.php

@@ -170,7 +170,24 @@ public static function image_resize($src, $dst, $width, $height)
             trigger_error('The source file does not exist', E_USER_WARNING);
             return false;
         }
-        if (!is_writeable(pathinfo($dst)['dirname'])) {
+
+        // get destination directory and create if it doesn't exist
+        $dst_pathinfo = pathinfo($dst);
+        if (!is_dir($dst_pathinfo['dirname'])) {
+            mkdir($dst_pathinfo['dirname'], 0777, true);
+            echo $dst_pathinfo['dirname'];
+        }
+
+        // make sure it exists now
+        if (!is_dir($dst_pathinfo['dirname'])) {
+            echo 'foo';
+            trigger_error('Unable to create destination directory.', E_USER_WARNING);
+            return false;
+        }
+
+        // and we can write to it
+        if (!is_writeable($dst_pathinfo['dirname'])) {
+            echo 'bar';
             trigger_error('The destination directory is not writeable', E_USER_WARNING);
             return false;
         }