The OrderBy
argument can take more then one parameter so the solution was to change :
'orderby' => 'meta_value_num',
to:
'orderby' => 'meta_value meta_value_num',
The OrderBy
argument can take more then one parameter so the solution was to change :
'orderby' => 'meta_value_num',
to:
'orderby' => 'meta_value meta_value_num',