Modify variation drop-downs to radio buttons

Changes variation drop-down form fields to radio button fields.

If you need a more advanced version of this functionality, check out the official extension WooCommerce Variation Swatches and Photos.

add_action( 'woocommerce_variable_add_to_cart', function() {

	add_action( 'wp_print_footer_scripts', function() {

		?>
		<script type="text/javascript">

		// DOM Loaded
		document.addEventListener( 'DOMContentLoaded', function() {
 
			// Get Variation Pricing Data
			var variations_form = document.querySelector( 'form.variations_form' );
			var data = variations_form.getAttribute( 'data-product_variations' );
			data = JSON.parse( data );

			// Loop Drop Downs
			document.querySelectorAll( 'table.variations select' )
				.forEach( function( select ) {

				// Loop Drop Down Options
				select.querySelectorAll( 'option' )
					.forEach( function( option ) {

					// Skip Empty
					if( ! option.value ) {
						return;
					}

					// Get Pricing For This Option
					var pricing = '';
					data.forEach( function( row ) {
						if( row.attributes[select.name] == option.value ) {
							pricing = row.price_html;
						}
					} );

					// Create Radio
					var radio = document.createElement( 'input' );
						radio.type = 'radio';
						radio.name = select.name;
						radio.value = option.value;
						radio.checked = option.selected;
					var label = document.createElement( 'label' );
						label.appendChild( radio );
						label.appendChild( document.createTextNode( ' ' + option.text + ' ' ) );
					var span = document.createElement( 'span' );
						span.innerHTML = pricing;
						label.appendChild( span );
					var div = document.createElement( 'div' );
						div.appendChild( label );

					// Insert Radio
					select.closest( 'td' ).appendChild( div );

					// Handle Clicking
					radio.addEventListener( 'click', function( event ) {
						select.value = radio.value;
						jQuery( select ).trigger( 'change' );
					} );

				} ); // End Drop Down Options Loop

				// Hide Drop Down
				select.style.display = 'none';

			} ); // End Drop Downs Loop
 
		} ); // End Document Loaded

		</script>
		<?php

	} );

} );

PHP Code Snippets

  1. Log into a staging, development, or locally hosted clone of your site.
  2. Install and activate the Code Snippets plugin.
  3. Navigate to WP Admin > Snippets > Add New.
  4. Copy and paste the code from the Description tab above.
  5. Check to ensure formatting came over properly and no syntax errors show up in the editor.
  6. Customize the code as desired.
  7. Add a meaningful title and description.
  8. Select whether to run on front-end or back-end (or both). Some snippets require both.
  9. Click the “Save and Activate” button.
  10. Test your site to ensure it works as expected.
  11. Disable if any problems, or recover as necessary.
  12. Repeat steps two onward on your live environment.

HTML Reusable Blocks

Blocks may be imported into the Code Editor view of the WordPress Block Editor (three dots in the upper-right, select code editor). This is best used as a Reusable Block, which you can dynamically add into any page or post. In order to import as a Reusable Block navigate to your site with the following URI: /wp-admin/edit.php?post_type=wp_block or see my code snippet Add reusable blocks link to the Appearance menu.

  1. Describe the issue and what you’ve observed.
  2. Describe your expected outcome(s).
  3. List steps to reproduce the issue.
  4. Optionally provide screen-shot or video URLs.

We code all of our code snippets directly. Our clients provide most of the ideas and demand for the functionality provided by our code snippets.

There are several sources one can find on Google for code that has inspired or contributed to this open-source library. Here’s some main ones:

All code snippets are licensed GPLv2 (or later) matching WordPress licensing.

Disclaimer of warranty:

Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.