Show Variations on the Shop Page

woocommerce_after_shop_loop_item woocommerce_single_variation
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/**
 * Replace add to cart button in the loop.
 */
function iconic_change_loop_add_to_cart() {
    remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart', 10 );
    add_action( 'woocommerce_after_shop_loop_item', 'iconic_template_loop_add_to_cart', 10 );
}
  
add_action( 'init', 'iconic_change_loop_add_to_cart', 10 );
  
/**
 * Use single add to cart button for variable products.
 */
function iconic_template_loop_add_to_cart() {
    global $product;
  
    if ( ! $product->is_type( 'variable' ) ) {
        woocommerce_template_loop_add_to_cart();
        return;
    }
  
    remove_action( 'woocommerce_single_variation', 'woocommerce_single_variation_add_to_cart_button', 20 );
    add_action( 'woocommerce_single_variation', 'iconic_loop_variation_add_to_cart_button', 20 );
  
    woocommerce_template_single_add_to_cart();
}
  
/**
 * Customise variable add to cart button for loop.
 *
 * Remove qty selector and simplify.
 */
function iconic_loop_variation_add_to_cart_button() {
    global $product;
  
    ?>
    <div class="woocommerce-variation-add-to-cart variations_button">
        <button type="submit" class="single_add_to_cart_button button"><?php echo esc_html( $product->single_add_to_cart_text() ); ?></button>
        <input type="hidden" name="add-to-cart" value="<?php echo absint( $product->get_id() ); ?>" />
        <input type="hidden" name="product_id" value="<?php echo absint( $product->get_id() ); ?>" />
        <input type="hidden" name="variation_id" class="variation_id" value="0" />
    </div>
    <?php
}
?>

 

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