Removing the Header Image From Notification Emails of Specific Forms

/**

 * Remove header image from email notifications for specific form IDs.

 */

add_filter(

    'wpforms_emails_templates_general_set_initial_args',

    'wpforms_remove_header_image_by_form_id',

    10,

    2

);

function wpforms_remove_header_image_by_form_id( $args, $template ) {

    // List the form IDs that should NOT include a header image.

    $forms_without_header = array( 123, 456, 789 ); // Replace with your form IDs.

    // Try to detect the current form ID from multiple contexts.

    $form_id = 0;

    // Check POST data during processing.

    if ( ! empty( $_POST['wpforms']['id'] ) ) {

        $form_id = absint( $_POST['wpforms']['id'] );

    }

    // Fallback to the processor context if available.

    if (

        ! $form_id &&

        function_exists( 'wpforms' ) &&

        ! empty( wpforms()->process->form_data['id'] )

    ) {

        $form_id = absint( wpforms()->process->form_data['id'] );

    }

    // If this form is in our list, remove the header image from email args.

    if ( $form_id && in_array( $form_id, $forms_without_header, true ) ) {

        unset( $args['header']['header_image'] );

    }

    return $args;

}