foreach ( $terms as $term ) {
$term_id = $term->term_id;
$parent_id = $term->parent;
$temp_parents[ $term_id ] = $parent_id;
if ( ! isset( $temp_children[ $parent_id ] ) ) {
$temp_children[ $parent_id ] = array();
}
$temp_children[ $parent_id ][] = $term_id;
$temp_terms[ $term_id ] = array(
'slug' => $term->slug,
'name' => $term->name,
'parent' => $parent_id,
'term_id' => $term->term_id,
);
}
// Pre-compute descendants and ancestors.
foreach ( array_keys( $temp_parents ) as $term_id ) {
$map['descendants'][ $term_id ] = $this->compute_descendants( $term_id, $temp_children );
$map['ancestors'][ $term_id ] = $this->compute_ancestors( $term_id, $temp_parents );
}
foreach ( $temp_children[0] as $term_id ) {
$this->build_term_tree( $map['tree'], $term_id, $temp_children, $temp_terms );
}
return $map;
}
/**
* Recursively build hierarchical term tree with depth and parent.
*
* @param array $tree Reference to tree array being built.
* @param int $term_id Current term ID.
* @param array $children Children relationships map (parent_id => [child_ids]).
* @param array $temp_terms Term data indexed by term_id.
* @param int $depth Current depth level in hierarchy.
*/
private function build_term_tree( &$tree, $term_id, $children, $temp_terms, $depth = 0 ) {
$tree[ $term_id ] = $temp_terms[ $term_id ];
$tree[ $term_id ]['depth'] = $depth;
if ( ! empty( $children[ $term_id ] ) ) {
foreach ( $children[ $term_id ] as $child_id ) {
$this->build_term_tree( $tree[ $term_id ]['children'], $child_id, $children, $temp_terms, $depth + 1 );
}
}
}
/**
* Compute all descendants of a term.
*
* @param int $term_id The term ID.
* @param array $children Children relationships map.
* @return array Array of descendant term IDs.
*/
private function compute_descendants( int $term_id, array $children ): array {
$descendants = array();
if ( ! isset( $children[ $term_id ] ) ) {
return $descendants;
}
foreach ( $children[ $term_id ] as $child_id ) {
$descendants[] = $child_id;
$descendants = array_merge( $descendants, $this->compute_descendants( $child_id, $children ) );
}
return array_unique( $descendants );
}
/**
* Compute ancestor chain for a term.
*
* @param int $term_id The term ID.
* @param array $parent_lookup Parent relationships.
* @return array Array of ancestor term IDs (bottom-up).
*/
private function compute_ancestors( int $term_id, array $parent_lookup ): array {
$ancestors = array();
$current_id = $term_id;
while ( isset( $parent_lookup[ $current_id ] ) && $parent_lookup[ $current_id ] > 0 ) {
$parent_id = $parent_lookup[ $current_id ];
$ancestors[] = $parent_id;
$current_id = $parent_id;
}
return $ancestors;
}
}
Fatal error: Uncaught Automattic\WooCommerce\Internal\DependencyManagement\ContainerException: Attempt to get an instance of class 'Automattic\WooCommerce\Internal\ProductFilters\TaxonomyHierarchyData', which doesn't exist. in /htdocs/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php:102
Stack trace:
#0 /htdocs/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php(182): Automattic\WooCommerce\Internal\DependencyManagement\RuntimeContainer->get_core('Automattic\\WooC...', Array)
#1 [internal function]: Automattic\WooCommerce\Internal\DependencyManagement\RuntimeContainer->Automattic\WooCommerce\Internal\DependencyManagement\{closure}(Object(ReflectionParameter))
#2 /htdocs/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php(170): array_map(Object(Closure), Array)
#3 /htdocs/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php(116): Automattic\WooCommerce\Internal\DependencyManagement\RuntimeContainer->instantiate_class_using_reflection('Automattic\\WooC...', Array)
#4 /htdocs/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php(75): Automattic\WooCommerce\Internal\DependencyManagement\RuntimeContainer->get_core('Automattic\\WooC...', Array)
#5 /htdocs/wp-content/plugins/woocommerce/src/Container.php(67): Automattic\WooCommerce\Internal\DependencyManagement\RuntimeContainer->get('Automattic\\WooC...')
#6 /htdocs/wp-content/plugins/woocommerce/includes/class-woocommerce.php(391): Automattic\WooCommerce\Container->get('Automattic\\WooC...')
#7 /htdocs/wp-content/plugins/woocommerce/includes/class-woocommerce.php(255): WooCommerce->init_hooks()
#8 /htdocs/wp-content/plugins/woocommerce/includes/class-woocommerce.php(162): WooCommerce->__construct()
#9 /htdocs/wp-content/plugins/woocommerce/woocommerce.php(47): WooCommerce::instance()
#10 /htdocs/wp-content/plugins/woocommerce/woocommerce.php(62): WC()
#11 /htdocs/wp-settings.php(560): include_once('/htdocs/wp-cont...')
#12 /htdocs/wp-config.php(128): require_once('/htdocs/wp-sett...')
#13 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#14 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#15 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#16 {main}
thrown in /htdocs/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php on line 102