Merge remote-tracking branch 'origin/master'

# Conflicts:
#	src/Classes/ExportLocalizations.php

Author: kg-bot

src/Classes/ExportLocalizations.php

@@ -200,7 +200,7 @@ public function toFlat( $prefix = '.' )
         $default_key = $default_locale . $prefix . '__JSON__';
         if ( !array_key_exists( $default_key, $results ) ) {
             $buffer = array_keys(
-                get_object_vars( $default_json_strings )
+                $default_json_strings ? get_object_vars( $default_json_strings ) : []
             );
 
             $results[ $default_key ] = array_combine( $buffer, $buffer );