check the groupkey ' . $groupkey . ''; $groupkey_fields = acf_get_fields($groupkey); foreach( $groupkey_fields as $field_key ) { if( $field_key['type'] == 'checkbox' ){ //echo '' . ($field_key['key']) . '
'; //echo '' . ($field_key['label']) . '
'; //echo '' . ($field_key['name']) . '
'; // https://wordpress.stackexchange.com/a/102915 //$field_key = "field_XXXXXX";// the acf field key unic numbers $field_key = $field_key['key']; $fields = get_field_object($field_key); if( $fields ) { // check for values in url foreach( $GLOBALS['my_query_filters'] as $key => $fieldname ): // set value if available if( isset($_GET[ $fieldname ]) ) { $filteredvalues['value'] = explode(',', $_GET[ $fieldname ]); }; // construct the checkboxes if( $fieldname == $fields['name']) { echo '
' ; echo '
' . $fields['label'] . '
'; echo '
    '; foreach( $fields['choices'] as $choicevalue => $choicelabel ) { echo '
  • '; echo ''; echo $choicelabel; echo '
    • '; } echo '
'; echo '
'; }; // end of construct checkboxes endforeach; // end check for values in url } };//end if type checkbox };//end foreach groupkey field };//end if groupkey ?>