Contact Form 7 Product Enquiry form for variable products - Watch the variation dropdowns and copy the values to a CF7DTE hidden field. https://www.damiencarbery.com/2019/12/contact-form-7-product-enquiry-form-for-variable-products/

cf7dte-form.txt

[dynamic_hidden selected_variations]

cf7dte-mail.txt

Selected variations: [selected_variations]

cf7dte-variations-watching.php

<?php
/*
Plugin Name: Contact Form 7 Product Enquiry form for variable products
Plugin URI: https://www.damiencarbery.com/2019/12/contact-form-7-product-enquiry-form-for-variable-products/
Description: Watch the variation dropdowns and copy the values to a CF7DTE hidden field.
Author: Damien Carbery
Author URI: http://www.damiencarbery.com
Version: 0.5
WC tested up to: 8.0.2
*/

add_action( 'wp_head', 'dcwd_copy_variation_info_js' );
function dcwd_copy_variation_info_js() {
	if ( !is_product() ) {
		return;
	}
	$product = wc_get_product( get_the_ID() );

	// This code is only needed on variable products.
	if ( ! 'variable' == $product->get_type() ) {
		return;
	}
?>
<script>
jQuery( document ).ready( function( $ ) {
  var variationValuesOnly = true;  // Set to false to get variation name and value.

  var copyVariationsToInput = function() {
	  variations_values = [];
	  
	  if ( variationValuesOnly ) {
		  // If only variation values are needed then use this code.
		  $( '.variations_form select option:selected' ).each( function() {
			  variations_values.push( $( this ).text() );
		  });
	  }
	  else {
		  // If variation names and values are required then use this code.
		  $( '.variations tr' ).each( function() {
			  variations_values.push( $(this).find('label').text() + ': ' + $(this).find('select option:selected').text() );
		  });
	  }

/*
	  // Get price/sale price
	  variation_price = $( '.woocommerce-variation-price bdi' ).text();
	  variation_sale_price = $( '.woocommerce-variation-price ins' ).text();
	  // If there is a sale price then variation_price will have both values so remove the sale price.
	  if ( variation_sale_price != '' ) {
		  variation_price = variation_price.replace( variation_sale_price, '' );
	  }
	  variations_values.push( 'Variation price: ' + variation_price );
	  if ( variation_sale_price != '' ) {
		  variations_values.push( "Sale price: " +  variation_sale_price );
	  }
*/

	  $("input[name=selected_variations]").val( variations_values.join( ', ' ) );
  }
 
  // Copy when dropdowns change (really it waits until WooCommerce updates the price info).
  jQuery('body').on('found_variation', function(){
	copyVariationsToInput()
  });

  // If 'WooCommerce Quote or Enquiry Contact Form 7' plugin is used then wait for enquiry button to be clicked.
  // If this does not work then there may be a need for a short delay (as the form is reset when it's opened).
  jQuery("body").on("click", ".wqoecf_enquiry_button", function () {
	  copyVariationsToInput()
  });
  
}); 
</script>
<?php
}