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Automatically link to WooCommerce Product Variation detail when searching for a Product Variation SKU
<?php
// When using SearchWP it's necessary to disable WooCommerce's insistance on
// automatically redirecting to a single search result without showing the
// search results page, when that happens this hook doesn't run!
// Willing to bet this can be edited to accommodate, tips are welcome!
add_filter( 'woocommerce_redirect_single_search_result', '__return_false' );
function my_maybe_woocommerce_variation_permalink( $permalink ) {
if ( ! is_search() ) {
return $permalink;
}
// check to see if the search was for a product variation SKU
$sku = get_search_query();
$args = array(
'post_type' => 'product_variation',
'posts_per_page' => 1,
'fields' => 'ids',
'meta_query' => array(
array(
'key' => '_sku',
'value' => $sku,
),
),
);
$variation = get_posts( $args );
// make sure the permalink we're filtering is for the parent product
if ( get_permalink( wp_get_post_parent_id( $variation[0] ) ) !== $permalink ) {
return $permalink;
}
if ( ! empty( $variation ) && function_exists( 'wc_get_attribute_taxonomy_names' ) ) {
// this is a variation SKU, we need to prepopulate the filters
$variation_id = absint( $variation[0] );
$variation_obj = new WC_Product_Variation( $variation_id );
$attributes = $variation_obj->get_variation_attributes();
if ( empty( $attributes ) ) {
return $permalink;
}
$permalink = add_query_arg( $attributes, $permalink );
}
return $permalink;
}
add_filter( 'the_permalink', 'my_maybe_woocommerce_variation_permalink' );
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