WooCommerce: Display dropdowns for values of attributes (variations or text)

wc-attributes-variations.php

<?php
global $product;
if ( !isset($product) ) return;
if ( !method_exists( $product, 'get_attributes' ) ) return; // Doesn't support attributes, won't have a dropdown

$attributes = $product->get_attributes();

// Note: <form> is just so this section is styled like the default variation dropdown The form isn't meant to do anything.
?>
<form class="cart" method="post" enctype='multipart/form-data' data-product_id="<?php echo $product->id; ?>">
	<table class="variations" cellspacing="0">
		<tbody>
			<?php
			foreach( $attributes as $attribute ) {
				if ( empty( $attribute['is_visible'] ) || ( $attribute['is_taxonomy'] && ! taxonomy_exists( $attribute['name'] ) ) ) {
					continue;
				}
				
				$title = wc_attribute_label( $attribute['name'] );
				$name = $attribute['name'];
				
				if ( $attribute['is_taxonomy'] ) {
					$values = wc_get_product_terms( $product->id, $attribute['name'], array( 'fields' => 'names' ) );
				} else {
					$values = array_map( 'trim', explode( WC_DELIMITER, $attribute['value'] ) );
				}
				
				natsort($values);
				
				?>
				<tr>
					<td class="label">
						<label for="<?php echo sanitize_title( $name ); ?>"><?php echo $title; ?></label>
					</td>
					
					<td class="value">
						<select id="<?php echo esc_attr( sanitize_title( $name ) ); ?>" name="attribute_<?php echo sanitize_title( $name ); ?>" data-attribute_name="attribute_<?php echo sanitize_title( $name ); ?>">
							<option value=""><?php echo __( 'Choose an option', 'woocommerce' ) ?>&hellip;</option>
							<?php
							foreach ( $values as $value ){
								if ( isset( $_REQUEST[ 'attribute_' . sanitize_title( $name ) ] ) ) {
									$selected_value = $_REQUEST[ 'attribute_' . sanitize_title( $name ) ];
								} else {
									$selected_value = '';
								}

								printf(
									'<option value="%s" %s>%s</option>',
									esc_attr( $value ),
									selected( $selected_value, $value, false ),
									apply_filters( 'woocommerce_variation_option_name', $value )
								);
							}
							?>
						</select>
					</td>
				</tr>
				<?php
			}
			?>
		</tbody>
	</table>
</form>
<?php