Deaner666

<?php

add_action( 'woocommerce_after_shop_loop', 'wpm_product_cat_display_details_meta' );
/**
 * Display details meta on Product Category archives.
 *
 */
function wpm_product_cat_display_details_meta() {

	if ( ! is_tax( 'product_cat' ) ) {

Deaner666

<?php

add_action( 'create_product_cat', 'wpm_product_cat_details_meta_save' );
add_action( 'edit_product_cat', 'wpm_product_cat_details_meta_save' );
/**
 * Save Product Category details meta.
 *
 * Save the product_cat details meta POSTed from the
 * edit product_cat page or the add product_cat page.
 *

Deaner666

<?php

add_action( 'product_cat_edit_form_fields', 'wpm_product_cat_edit_details_meta' );
/**
 * Add a details metabox to the Edit Product Category page.
 *
 * For adding a details metabox to the WordPress admin when
 * editing an existing product category in WooCommerce.
 *
 * @param  object $term The existing term object.

Deaner666

<?php

add_action( 'product_cat_add_form_fields', 'wpm_product_cat_add_details_meta' );
/**
 * Add a details metabox to the Add New Product Category page.
 *
 * For adding a details metabox to the WordPress admin when
 * creating new product categories in WooCommerce.
 *
 */

Deaner666

<?php

add_action( 'init', 'wpm_product_cat_register_meta' );
/**
 * Register details product_cat meta.
 *
 * Register the details metabox for WooCommerce product categories.
 *
 */
function wpm_product_cat_register_meta() {

Deaner666

<?php

add_filter( 'ninja_forms_field', 'wpm_handle_http_query_string' );
function wpm_handle_http_query_string( $data ) {
	
	// A list field with label "Tier"
	if($data['label']=='Tier' && get_query_var('tier')) {
		foreach ($data['list']['options'] as $key => $value) {
			if($value['value'] == get_query_var('tier')) {
				$data['list']['options'][$key]['selected'] = 1;

Deaner666

<?php

add_filter( 'ninja_forms_field', 'wpm_handle_http_query_string' );
function wpm_handle_http_query_string( $data ) {

	if($data['label']=='Tier' && get_query_var('tier')) {
		foreach ($data['list']['options'] as $key => $value) {
			if($value['value'] == get_query_var('tier')) {
				$data['list']['options'][$key]['selected'] = 1;
			}

Deaner666

<?php

// Declare custom URL parameters
add_filter( 'query_vars', 'wpm_add_query_vars_filter' );
function wpm_add_query_vars_filter( $vars ) {
  $vars[] = "tier";
  $vars[] = "second-param";
  $vars[] = "third-param"; // etc.
  return $vars;
}

Deaner666

<div class="tier1">
  
  <h2>Lackey</h2>
  
  // ...
  // ... Tier 1 description here
  // ...
  
  <a href="enquiry-form.php?tier=lackey">Join now</a>
  

Deaner666

<?php
if ( isset($_GET['key']) ) {
  echo $_GET['key'];
} else {
  // Fallback behaviour here
}