CUSTOME FIELDS AUTO EXPORTER Create custom fields by Adv Custom Fields. You need Wordpress plugin "Advanced Custom Fields". The display condition is "equal for post categories". Exist naming rule of field name. Example, "$category-slug_XXXXX". Create function the "Check exist custom fields to display post" on child theme's functions.php. You're need write this function is behavior the "which exist to display post?", to child theme's functions.php. Return the "true" of case is exist custom fields, return "false" case does not exist. The function of "create_custom_fields()" is for display side custom field element. This function is generate exort custom field at post display side. Apply the CSS class name by category slug at the CSS class of part "custom-field-table-'. $category_state .'".