function _wc_term_recount( $terms, $taxonomy, $callback = true, $terms_are_term_taxonomy_ids = true ) {
global $wpdb;
/**
* Filter to allow/prevent recounting of terms as it could be expensive.
* A likely scenario for this is when bulk importing products. We could
* then prevent it from recounting per product but instead recount it once
* when import is done. Of course this means the import logic has to support this.
*
* @since 5.2
* @param bool
*/
if ( ! apply_filters( 'woocommerce_product_recount_terms', true ) ) {
return;
}
// Standard callback.
if ( $callback ) {
_update_post_term_count( $terms, $taxonomy );
}
$exclude_term_ids = array();
$product_visibility_term_ids = wc_get_product_visibility_term_ids();
if ( $product_visibility_term_ids['exclude-from-catalog'] ) {
$exclude_term_ids[] = $product_visibility_term_ids['exclude-from-catalog'];
}
if ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) && $product_visibility_term_ids['outofstock'] ) {
$exclude_term_ids[] = $product_visibility_term_ids['outofstock'];
}
$query = array(
'fields' => "
SELECT COUNT( DISTINCT ID ) FROM {$wpdb->posts} p
",
'join' => '',
'where' => "
WHERE 1=1
AND p.post_status = 'publish'
AND p.post_type = 'product'
",
);
if ( count( $exclude_term_ids ) ) {
$query['join'] .= " LEFT JOIN ( SELECT object_id FROM {$wpdb->term_relationships} WHERE term_taxonomy_id IN ( " . implode( ',', array_map( 'absint', $exclude_term_ids ) ) . ' ) ) AS exclude_join ON exclude_join.object_id = p.ID';
$query['where'] .= ' AND exclude_join.object_id IS NULL';
}
// Pre-process term taxonomy ids.
if ( ! $terms_are_term_taxonomy_ids ) {
// We passed in an array of TERMS in format id=>parent.
$terms = array_filter( (array) array_keys( $terms ) );
} else {
// If we have term taxonomy IDs we need to get the term ID.
$term_taxonomy_ids = $terms;
$terms = array();
foreach ( $term_taxonomy_ids as $term_taxonomy_id ) {
$term = get_term_by( 'term_taxonomy_id', $term_taxonomy_id, $taxonomy->name );
$terms[] = $term->term_id;
}
}
// Exit if we have no terms to count.
if ( empty( $terms ) ) {
return;
}
// Ancestors need counting.
if ( is_taxonomy_hierarchical( $taxonomy->name ) ) {
foreach ( $terms as $term_id ) {
$terms = array_merge( $terms, get_ancestors( $term_id, $taxonomy->name ) );
}
}
// Unique terms only.
$terms = array_unique( $terms );
// Count the terms.
foreach ( $terms as $term_id ) {
$terms_to_count = array( absint( $term_id ) );
if ( is_taxonomy_hierarchical( $taxonomy->name ) ) {
// We need to get the $term's hierarchy so we can count its children too.
$children = get_term_children( $term_id, $taxonomy->name );
if ( $children && ! is_wp_error( $children ) ) {
$terms_to_count = array_unique( array_map( 'absint', array_merge( $terms_to_count, $children ) ) );
}
}
// Generate term query.
$term_query = $query;
$term_query['join'] .= " INNER JOIN ( SELECT object_id FROM {$wpdb->term_relationships} INNER JOIN {$wpdb->term_taxonomy} using( term_taxonomy_id ) WHERE term_id IN ( " . implode( ',', array_map( 'absint', $terms_to_count ) ) . ' ) ) AS include_join ON include_join.object_id = p.ID';
// Get the count.
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$count = $wpdb->get_var( implode( ' ', $term_query ) );
// Update the count.
update_term_meta( $term_id, 'product_count_' . $taxonomy->name, absint( $count ) );
}
delete_transient( 'wc_term_counts' );
}