wc-term-functions.php — WooCommerce 3.0.1

woocommerce / includes / wc-term-functions.php

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wc-term-functions.php

765 lines

1	<?php
2	/**
3	* WooCommerce Terms
4	*
5	* Functions for handling terms/term meta.
6	*
7	* @author WooThemes
8	* @category Core
9	* @package WooCommerce/Functions
10	* @version 2.1.0
11	*/
12
13	if ( ! defined( 'ABSPATH' ) ) {
14	exit; // Exit if accessed directly
15	}
16
17	/**
18	* Helper to get cached object terms and filter by field using wp_list_pluck().
19	* Works as a cached alternative for wp_get_post_terms() and wp_get_object_terms().
20	*
21	* @since 3.0.0
22	* @param int $object_id Object ID.
23	* @param string $taxonomy Taxonomy slug.
24	* @param string $field Field name.
25	* @param string $index_key Index key name.
26	* @return array
27	*/
28	function wc_get_object_terms( $object_id, $taxonomy, $field = null, $index_key = null ) {
29	// Test if terms exists. get_the_terms() return false when it finds no terms.
30	$terms = get_the_terms( $object_id, $taxonomy );
31
32	if ( $terms && ! is_wp_error( $terms ) ) {
33	if ( ! is_null( $field ) ) {
34	$terms = wp_list_pluck( $terms, $field, $index_key );
35	}
36	} else {
37	$terms = array();
38	}
39
40	return $terms;
41	}
42
43	/**
44	* Cached version of wp_get_post_terms().
45	* This is a private function (internal use ONLY).
46	*
47	* @since 3.0.0
48	* @param int $product_id Product ID.
49	* @param string $taxonomy Taxonomy slug.
50	* @param array $args Query arguments.
51	* @return array
52	*/
53	function _wc_get_cached_product_terms( $product_id, $taxonomy, $args = array() ) {
54	$cache_key = 'wc_' . $taxonomy . md5( json_encode( $args ) );
55	$terms = wp_cache_get( $product_id, $cache_key );
56
57	if ( false !== $terms ) {
58	return $terms;
59	}
60
61	// @codingStandardsIgnoreStart
62	$terms = wp_get_post_terms( $product_id, $taxonomy, $args );
63	// @codingStandardsIgnoreEnd
64
65	wp_cache_add( $product_id, $terms, $cache_key );
66
67	return $terms;
68	}
69
70	/**
71	* Wrapper for wp_get_post_terms which supports ordering by parent.
72	*
73	* NOTE: At this point in time, ordering by menu_order for example isn't possible with this function. wp_get_post_terms has no.
74	* filters which we can utilise to modify it's query. https://core.trac.wordpress.org/ticket/19094.
75	*
76	* @param int $product_id Product ID.
77	* @param string $taxonomy Taxonomy slug.
78	* @param array $args Query arguments.
79	* @return array
80	*/
81	function wc_get_product_terms( $product_id, $taxonomy, $args = array() ) {
82	if ( ! taxonomy_exists( $taxonomy ) ) {
83	return array();
84	}
85
86	if ( empty( $args['orderby'] ) && taxonomy_is_product_attribute( $taxonomy ) ) {
87	$args['orderby'] = wc_attribute_orderby( $taxonomy );
88	}
89
90	// Support ordering by parent.
91	if ( ! empty( $args['orderby'] ) && in_array( $args['orderby'], array( 'name_num', 'parent' ) ) ) {
92	$fields = isset( $args['fields'] ) ? $args['fields'] : 'all';
93	$orderby = $args['orderby'];
94
95	// Unset for wp_get_post_terms.
96	unset( $args['orderby'] );
97	unset( $args['fields'] );
98
99	$terms = _wc_get_cached_product_terms( $product_id, $taxonomy, $args );
100
101	switch ( $orderby ) {
102	case 'name_num' :
103	usort( $terms, '_wc_get_product_terms_name_num_usort_callback' );
104	break;
105	case 'parent' :
106	usort( $terms, '_wc_get_product_terms_parent_usort_callback' );
107	break;
108	}
109
110	switch ( $fields ) {
111	case 'names' :
112	$terms = wp_list_pluck( $terms, 'name' );
113	break;
114	case 'ids' :
115	$terms = wp_list_pluck( $terms, 'term_id' );
116	break;
117	case 'slugs' :
118	$terms = wp_list_pluck( $terms, 'slug' );
119	break;
120	}
121	} elseif ( ! empty( $args['orderby'] ) && 'menu_order' === $args['orderby'] ) {
122	// wp_get_post_terms doesn't let us use custom sort order.
123	$args['include'] = wc_get_object_terms( $product_id, $taxonomy, 'term_id' );
124
125	if ( empty( $args['include'] ) ) {
126	$terms = array();
127	} else {
128	// This isn't needed for get_terms.
129	unset( $args['orderby'] );
130
131	// Set args for get_terms.
132	$args['menu_order'] = isset( $args['order'] ) ? $args['order'] : 'ASC';
133	$args['hide_empty'] = isset( $args['hide_empty'] ) ? $args['hide_empty'] : 0;
134	$args['fields'] = isset( $args['fields'] ) ? $args['fields'] : 'names';
135
136	// Ensure slugs is valid for get_terms - slugs isn't supported.
137	$args['fields'] = ( 'slugs' === $args['fields'] ) ? 'id=>slug' : $args['fields'];
138	$terms = get_terms( $taxonomy, $args );
139	}
140	} else {
141	$terms = _wc_get_cached_product_terms( $product_id, $taxonomy, $args );
142	}
143
144	return apply_filters( 'woocommerce_get_product_terms' , $terms, $product_id, $taxonomy, $args );
145	}
146
147	/**
148	* Sort by name (numeric).
149	* @param WP_POST object $a
150	* @param WP_POST object $b
151	* @return int
152	*/
153	function _wc_get_product_terms_name_num_usort_callback( $a, $b ) {
154	if ( $a->name + 0 === $b->name + 0 ) {
155	return 0;
156	}
157	return ( $a->name + 0 < $b->name + 0 ) ? -1 : 1;
158	}
159
160	/**
161	* Sort by parent.
162	* @param WP_POST object $a
163	* @param WP_POST object $b
164	* @return int
165	*/
166	function _wc_get_product_terms_parent_usort_callback( $a, $b ) {
167	if ( $a->parent === $b->parent ) {
168	return 0;
169	}
170	return ( $a->parent < $b->parent ) ? 1 : -1;
171	}
172
173	/**
174	* WooCommerce Dropdown categories.
175	*
176	* Stuck with this until a fix for https://core.trac.wordpress.org/ticket/13258.
177	* We use a custom walker, just like WordPress does.
178	*
179	* @param int $deprecated_show_uncategorized (default: 1)
180	* @return string
181	*/
182	function wc_product_dropdown_categories( $args = array(), $deprecated_hierarchical = 1, $deprecated_show_uncategorized = 1, $deprecated_orderby = '' ) {
183	global $wp_query;
184
185	if ( ! is_array( $args ) ) {
186	wc_deprecated_argument( 'wc_product_dropdown_categories()', '2.1', 'show_counts, hierarchical, show_uncategorized and orderby arguments are invalid - pass a single array of values instead.' );
187
188	$args['show_count'] = $args;
189	$args['hierarchical'] = $deprecated_hierarchical;
190	$args['show_uncategorized'] = $deprecated_show_uncategorized;
191	$args['orderby'] = $deprecated_orderby;
192	}
193
194	$current_product_cat = isset( $wp_query->query_vars['product_cat'] ) ? $wp_query->query_vars['product_cat'] : '';
195	$defaults = array(
196	'pad_counts' => 1,
197	'show_count' => 1,
198	'hierarchical' => 1,
199	'hide_empty' => 1,
200	'show_uncategorized' => 1,
201	'orderby' => 'name',
202	'selected' => $current_product_cat,
203	'menu_order' => false,
204	);
205
206	$args = wp_parse_args( $args, $defaults );
207
208	if ( 'order' === $args['orderby'] ) {
209	$args['menu_order'] = 'asc';
210	$args['orderby'] = 'name';
211	}
212
213	$terms = get_terms( 'product_cat', apply_filters( 'wc_product_dropdown_categories_get_terms_args', $args ) );
214
215	if ( empty( $terms ) ) {
216	return;
217	}
218
219	$output = "<select name='product_cat' class='dropdown_product_cat'>";
220	$output .= '<option value="" ' . selected( $current_product_cat, '', false ) . '>' . esc_html__( 'Select a category', 'woocommerce' ) . '</option>';
221	$output .= wc_walk_category_dropdown_tree( $terms, 0, $args );
222	if ( $args['show_uncategorized'] ) {
223	$output .= '<option value="0" ' . selected( $current_product_cat, '0', false ) . '>' . esc_html__( 'Uncategorized', 'woocommerce' ) . '</option>';
224	}
225	$output .= "</select>";
226
227	echo $output;
228	}
229
230	/**
231	* Walk the Product Categories.
232	*
233	* @return mixed
234	*/
235	function wc_walk_category_dropdown_tree() {
236	$args = func_get_args();
237
238	if ( ! class_exists( 'WC_Product_Cat_Dropdown_Walker', false ) ) {
239	include_once( WC()->plugin_path() . '/includes/walkers/class-product-cat-dropdown-walker.php' );
240	}
241
242	// the user's options are the third parameter
243	if ( empty( $args[2]['walker'] ) \|\| ! is_a( $args[2]['walker'], 'Walker' ) ) {
244	$walker = new WC_Product_Cat_Dropdown_Walker;
245	} else {
246	$walker = $args[2]['walker'];
247	}
248
249	return call_user_func_array( array( &$walker, 'walk' ), $args );
250	}
251
252	/**
253	* When a term is split, ensure meta data maintained.
254	* @param int $old_term_id
255	* @param int $new_term_id
256	* @param string $term_taxonomy_id
257	* @param string $taxonomy
258	*/
259	function wc_taxonomy_metadata_update_content_for_split_terms( $old_term_id, $new_term_id, $term_taxonomy_id, $taxonomy ) {
260	global $wpdb;
261
262	if ( get_option( 'db_version' ) < 34370 ) {
263	if ( 'product_cat' === $taxonomy \|\| taxonomy_is_product_attribute( $taxonomy ) ) {
264	$old_meta_data = $wpdb->get_results( $wpdb->prepare( "SELECT meta_key, meta_value FROM {$wpdb->prefix}woocommerce_termmeta WHERE woocommerce_term_id = %d;", $old_term_id ) );
265
266	// Copy across to split term
267	if ( $old_meta_data ) {
268	foreach ( $old_meta_data as $meta_data ) {
269	$wpdb->insert(
270	"{$wpdb->prefix}woocommerce_termmeta",
271	array(
272	'woocommerce_term_id' => $new_term_id,
273	'meta_key' => $meta_data->meta_key,
274	'meta_value' => $meta_data->meta_value,
275	)
276	);
277	}
278	}
279	}
280	}
281	}
282	add_action( 'split_shared_term', 'wc_taxonomy_metadata_update_content_for_split_terms', 10, 4 );
283
284	/**
285	* Migrate data from WC term meta to WP term meta
286	*
287	* When the database is updated to support term meta, migrate WC term meta data across.
288	* We do this when the new version is >= 34370, and the old version is < 34370 (34370 is when term meta table was added).
289	*
290	* @param string $wp_db_version The new $wp_db_version.
291	* @param string $wp_current_db_version The old (current) $wp_db_version.
292	*/
293	function wc_taxonomy_metadata_migrate_data( $wp_db_version, $wp_current_db_version ) {
294	if ( $wp_db_version >= 34370 && $wp_current_db_version < 34370 ) {
295	global $wpdb;
296	if ( $wpdb->query( "INSERT INTO {$wpdb->termmeta} ( term_id, meta_key, meta_value ) SELECT woocommerce_term_id, meta_key, meta_value FROM {$wpdb->prefix}woocommerce_termmeta;" ) ) {
297	$wpdb->query( "DROP TABLE IF EXISTS {$wpdb->prefix}woocommerce_termmeta" );
298	}
299	}
300	}
301	add_action( 'wp_upgrade', 'wc_taxonomy_metadata_migrate_data', 10, 2 );
302
303	/**
304	* WooCommerce Term Meta API
305	*
306	* WC tables for storing term meta are @deprecated from WordPress 4.4 since 4.4 has its own table.
307	* This function serves as a wrapper, using the new table if present, or falling back to the WC table.
308	*
309	* @param mixed $term_id
310	* @param string $meta_key
311	* @param mixed $meta_value
312	* @param string $prev_value (default: '')
313	* @return bool
314	*/
315	function update_woocommerce_term_meta( $term_id, $meta_key, $meta_value, $prev_value = '' ) {
316	return function_exists( 'update_term_meta' ) ? update_term_meta( $term_id, $meta_key, $meta_value, $prev_value ) : update_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value, $prev_value );
317	}
318
319	/**
320	* WooCommerce Term Meta API
321	*
322	* WC tables for storing term meta are @deprecated from WordPress 4.4 since 4.4 has its own table.
323	* This function serves as a wrapper, using the new table if present, or falling back to the WC table.
324	*
325	* @param mixed $term_id
326	* @param mixed $meta_key
327	* @param mixed $meta_value
328	* @param bool $unique (default: false)
329	* @return bool
330	*/
331	function add_woocommerce_term_meta( $term_id, $meta_key, $meta_value, $unique = false ) {
332	return function_exists( 'add_term_meta' ) ? add_term_meta( $term_id, $meta_key, $meta_value, $unique ) : add_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value, $unique );
333	}
334
335	/**
336	* WooCommerce Term Meta API
337	*
338	* WC tables for storing term meta are @deprecated from WordPress 4.4 since 4.4 has its own table.
339	* This function serves as a wrapper, using the new table if present, or falling back to the WC table.
340	*
341	* @param mixed $term_id
342	* @param string $meta_key
343	* @param string $meta_value (default: '')
344	* @param bool $deprecated (default: false)
345	* @return bool
346	*/
347	function delete_woocommerce_term_meta( $term_id, $meta_key, $meta_value = '', $deprecated = false ) {
348	return function_exists( 'delete_term_meta' ) ? delete_term_meta( $term_id, $meta_key, $meta_value ) : delete_metadata( 'woocommerce_term', $term_id, $meta_key, $meta_value );
349	}
350
351	/**
352	* WooCommerce Term Meta API
353	*
354	* WC tables for storing term meta are @deprecated from WordPress 4.4 since 4.4 has its own table.
355	* This function serves as a wrapper, using the new table if present, or falling back to the WC table.
356	*
357	* @param mixed $term_id
358	* @param string $key
359	* @param bool $single (default: true)
360	* @return mixed
361	*/
362	function get_woocommerce_term_meta( $term_id, $key, $single = true ) {
363	return function_exists( 'get_term_meta' ) ? get_term_meta( $term_id, $key, $single ) : get_metadata( 'woocommerce_term', $term_id, $key, $single );
364	}
365
366	/**
367	* Move a term before the a given element of its hierarchy level.
368	*
369	* @param int $the_term
370	* @param int $next_id the id of the next sibling element in save hierarchy level
371	* @param string $taxonomy
372	* @param int $index (default: 0)
373	* @param mixed $terms (default: null)
374	* @return int
375	*/
376	function wc_reorder_terms( $the_term, $next_id, $taxonomy, $index = 0, $terms = null ) {
377	if ( ! $terms ) $terms = get_terms( $taxonomy, 'menu_order=ASC&hide_empty=0&parent=0' );
378	if ( empty( $terms ) ) return $index;
379
380	$id = $the_term->term_id;
381
382	$term_in_level = false; // flag: is our term to order in this level of terms
383
384	foreach ( $terms as $term ) {
385
386	if ( $term->term_id == $id ) { // our term to order, we skip
387	$term_in_level = true;
388	continue; // our term to order, we skip
389	}
390	// the nextid of our term to order, lets move our term here
391	if ( null !== $next_id && $term->term_id == $next_id ) {
392	$index++;
393	$index = wc_set_term_order( $id, $index, $taxonomy, true );
394	}
395
396	// set order
397	$index++;
398	$index = wc_set_term_order( $term->term_id, $index, $taxonomy );
399
400	// if that term has children we walk through them
401	$children = get_terms( $taxonomy, "parent={$term->term_id}&menu_order=ASC&hide_empty=0" );
402	if ( ! empty( $children ) ) {
403	$index = wc_reorder_terms( $the_term, $next_id, $taxonomy, $index, $children );
404	}
405	}
406
407	// no nextid meaning our term is in last position
408	if ( $term_in_level && null === $next_id ) {
409	$index = wc_set_term_order( $id, $index + 1, $taxonomy, true );
410	}
411
412	return $index;
413	}
414
415	/**
416	* Set the sort order of a term.
417	*
418	* @param int $term_id
419	* @param int $index
420	* @param string $taxonomy
421	* @param bool $recursive (default: false)
422	* @return int
423	*/
424	function wc_set_term_order( $term_id, $index, $taxonomy, $recursive = false ) {
425
426	$term_id = (int) $term_id;
427	$index = (int) $index;
428
429	// Meta name
430	if ( taxonomy_is_product_attribute( $taxonomy ) )
431	$meta_name = 'order_' . esc_attr( $taxonomy );
432	else
433	$meta_name = 'order';
434
435	update_woocommerce_term_meta( $term_id, $meta_name, $index );
436
437	if ( ! $recursive ) return $index;
438
439	$children = get_terms( $taxonomy, "parent=$term_id&menu_order=ASC&hide_empty=0" );
440
441	foreach ( $children as $term ) {
442	$index++;
443	$index = wc_set_term_order( $term->term_id, $index, $taxonomy, true );
444	}
445
446	clean_term_cache( $term_id, $taxonomy );
447
448	return $index;
449	}
450
451	/**
452	* Add term ordering to get_terms.
453	*
454	* It enables the support a 'menu_order' parameter to get_terms for the product_cat taxonomy.
455	* By default it is 'ASC'. It accepts 'DESC' too.
456	*
457	* To disable it, set it ot false (or 0).
458	*
459	* @param array $clauses
460	* @param array $taxonomies
461	* @param array $args
462	* @return array
463	*/
464	function wc_terms_clauses( $clauses, $taxonomies, $args ) {
465	global $wpdb;
466
467	// No sorting when menu_order is false.
468	if ( isset( $args['menu_order'] ) && ( false === $args['menu_order'] \|\| 'false' === $args['menu_order'] ) ) {
469	return $clauses;
470	}
471
472	// No sorting when orderby is non default.
473	if ( isset( $args['orderby'] ) && 'name' !== $args['orderby'] ) {
474	return $clauses;
475	}
476
477	// No sorting in admin when sorting by a column.
478	if ( is_admin() && isset( $_GET['orderby'] ) ) {
479	return $clauses;
480	}
481
482	// No need to filter counts
483	if ( strpos( 'COUNT(*)', $clauses['fields'] ) !== false ) {
484	return $clauses;
485	}
486
487	// WordPress should give us the taxonomies asked when calling the get_terms function. Only apply to categories and pa_ attributes.
488	$found = false;
489	foreach ( (array) $taxonomies as $taxonomy ) {
490	if ( taxonomy_is_product_attribute( $taxonomy ) \|\| in_array( $taxonomy, apply_filters( 'woocommerce_sortable_taxonomies', array( 'product_cat' ) ) ) ) {
491	$found = true;
492	break;
493	}
494	}
495	if ( ! $found ) {
496	return $clauses;
497	}
498
499	// Meta name.
500	if ( ! empty( $taxonomies[0] ) && taxonomy_is_product_attribute( $taxonomies[0] ) ) {
501	$meta_name = 'order_' . esc_attr( $taxonomies[0] );
502	} else {
503	$meta_name = 'order';
504	}
505
506	// Query fields.
507	$clauses['fields'] = 'DISTINCT ' . $clauses['fields'] . ', tm.meta_value';
508
509	// Query join.
510	if ( get_option( 'db_version' ) < 34370 ) {
511	$clauses['join'] .= " LEFT JOIN {$wpdb->woocommerce_termmeta} AS tm ON (t.term_id = tm.woocommerce_term_id AND tm.meta_key = '" . esc_sql( $meta_name ) . "') ";
512	} else {
513	$clauses['join'] .= " LEFT JOIN {$wpdb->termmeta} AS tm ON (t.term_id = tm.term_id AND tm.meta_key = '" . esc_sql( $meta_name ) . "') ";
514	}
515
516	// Default to ASC.
517	if ( ! isset( $args['menu_order'] ) \|\| ! in_array( strtoupper( $args['menu_order'] ), array( 'ASC', 'DESC' ) ) ) {
518	$args['menu_order'] = 'ASC';
519	}
520
521	$order = "ORDER BY tm.meta_value+0 " . $args['menu_order'];
522
523	if ( $clauses['orderby'] ) {
524	$clauses['orderby'] = str_replace( 'ORDER BY', $order . ',', $clauses['orderby'] );
525	} else {
526	$clauses['orderby'] = $order;
527	}
528
529	return $clauses;
530	}
531
532	add_filter( 'terms_clauses', 'wc_terms_clauses', 10, 3 );
533
534	/**
535	* Function for recounting product terms, ignoring hidden products.
536	*
537	* @param array $terms
538	* @param string $taxonomy
539	* @param bool $callback
540	* @param bool $terms_are_term_taxonomy_ids
541	*/
542	function _wc_term_recount( $terms, $taxonomy, $callback = true, $terms_are_term_taxonomy_ids = true ) {
543	global $wpdb;
544
545	// Standard callback.
546	if ( $callback ) {
547	_update_post_term_count( $terms, $taxonomy );
548	}
549
550	// Main query.
551	$count_query = "
552	SELECT COUNT( DISTINCT posts.ID ) FROM {$wpdb->posts} as posts
553	LEFT JOIN {$wpdb->term_relationships} AS rel ON posts.ID=rel.object_ID
554	LEFT JOIN {$wpdb->term_taxonomy} AS tax USING( term_taxonomy_id )
555	WHERE post_status = 'publish'
556	AND post_type = 'product'
557	";
558
559	$product_visibility_term_ids = wc_get_product_visibility_term_ids();
560
561	if ( $product_visibility_term_ids['exclude-from-catalog'] ) {
562	$count_query .= " AND term_taxonomy_id !=" . $product_visibility_term_ids['exclude-from-catalog'];
563	}
564
565	if ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) && $product_visibility_term_ids['outofstock'] ) {
566	$count_query .= " AND term_taxonomy_id !=" . $product_visibility_term_ids['outofstock'];
567	}
568
569	// Pre-process term taxonomy ids.
570	if ( ! $terms_are_term_taxonomy_ids ) {
571	// We passed in an array of TERMS in format id=>parent.
572	$terms = array_filter( (array) array_keys( $terms ) );
573	} else {
574	// If we have term taxonomy IDs we need to get the term ID.
575	$term_taxonomy_ids = $terms;
576	$terms = array();
577	foreach ( $term_taxonomy_ids as $term_taxonomy_id ) {
578	$term = get_term_by( 'term_taxonomy_id', $term_taxonomy_id, $taxonomy->name );
579	$terms[] = $term->term_id;
580	}
581	}
582
583	// Exit if we have no terms to count.
584	if ( empty( $terms ) ) {
585	return;
586	}
587
588	// Ancestors need counting.
589	if ( is_taxonomy_hierarchical( $taxonomy->name ) ) {
590	foreach ( $terms as $term_id ) {
591	$terms = array_merge( $terms, get_ancestors( $term_id, $taxonomy->name ) );
592	}
593	}
594
595	// Unique terms only.
596	$terms = array_unique( $terms );
597
598	// Count the terms.
599	foreach ( $terms as $term_id ) {
600	$terms_to_count = array( absint( $term_id ) );
601
602	if ( is_taxonomy_hierarchical( $taxonomy->name ) ) {
603	// We need to get the $term's hierarchy so we can count its children too
604	if ( ( $children = get_term_children( $term_id, $taxonomy->name ) ) && ! is_wp_error( $children ) ) {
605	$terms_to_count = array_unique( array_map( 'absint', array_merge( $terms_to_count, $children ) ) );
606	}
607	}
608
609	// Generate term query
610	$term_query = ' AND term_id IN ( ' . implode( ',', $terms_to_count ) . ' )';
611
612	// Get the count
613	$count = $wpdb->get_var( $count_query . $term_query );
614
615	// Update the count
616	update_woocommerce_term_meta( $term_id, 'product_count_' . $taxonomy->name, absint( $count ) );
617	}
618
619	delete_transient( 'wc_term_counts' );
620	}
621
622	/**
623	* Recount terms after the stock amount changes.
624	*
625	* @param int $product_id
626	*/
627	function wc_recount_after_stock_change( $product_id ) {
628	if ( 'yes' !== get_option( 'woocommerce_hide_out_of_stock_items' ) ) {
629	return;
630	}
631
632	$product_terms = get_the_terms( $product_id, 'product_cat' );
633
634	if ( $product_terms ) {
635	$product_cats = array();
636
637	foreach ( $product_terms as $term ) {
638	$product_cats[ $term->term_id ] = $term->parent;
639	}
640
641	_wc_term_recount( $product_cats, get_taxonomy( 'product_cat' ), false, false );
642	}
643
644	$product_terms = get_the_terms( $product_id, 'product_tag' );
645
646	if ( $product_terms ) {
647	$product_tags = array();
648
649	foreach ( $product_terms as $term ) {
650	$product_tags[ $term->term_id ] = $term->parent;
651	}
652
653	_wc_term_recount( $product_tags, get_taxonomy( 'product_tag' ), false, false );
654	}
655	}
656	add_action( 'woocommerce_product_set_stock_status', 'wc_recount_after_stock_change' );
657
658
659	/**
660	* Overrides the original term count for product categories and tags with the product count.
661	* that takes catalog visibility into account.
662	*
663	* @param array $terms
664	* @param string\|array $taxonomies
665	* @return array
666	*/
667	function wc_change_term_counts( $terms, $taxonomies ) {
668	if ( is_admin() \|\| is_ajax() ) {
669	return $terms;
670	}
671
672	if ( ! isset( $taxonomies[0] ) \|\| ! in_array( $taxonomies[0], apply_filters( 'woocommerce_change_term_counts', array( 'product_cat', 'product_tag' ) ) ) ) {
673	return $terms;
674	}
675
676	$term_counts = $o_term_counts = get_transient( 'wc_term_counts' );
677
678	foreach ( $terms as &$term ) {
679	if ( is_object( $term ) ) {
680	$term_counts[ $term->term_id ] = isset( $term_counts[ $term->term_id ] ) ? $term_counts[ $term->term_id ] : get_woocommerce_term_meta( $term->term_id, 'product_count_' . $taxonomies[0] , true );
681
682	if ( '' !== $term_counts[ $term->term_id ] ) {
683	$term->count = absint( $term_counts[ $term->term_id ] );
684	}
685	}
686	}
687
688	// Update transient
689	if ( $term_counts != $o_term_counts ) {
690	set_transient( 'wc_term_counts', $term_counts, DAY_IN_SECONDS * 30 );
691	}
692
693	return $terms;
694	}
695	add_filter( 'get_terms', 'wc_change_term_counts', 10, 2 );
696
697	/**
698	* Return products in a given term, and cache value.
699	*
700	* To keep in sync, product_count will be cleared on "set_object_terms".
701	*
702	* @param int $term_id
703	* @param string $taxonomy
704	* @return array
705	*/
706	function wc_get_term_product_ids( $term_id, $taxonomy ) {
707	$product_ids = get_woocommerce_term_meta( $term_id, 'product_ids', true );
708
709	if ( false === $product_ids \|\| ! is_array( $product_ids ) ) {
710	$product_ids = get_objects_in_term( $term_id, $taxonomy );
711	update_woocommerce_term_meta( $term_id, 'product_ids', $product_ids );
712	}
713
714	return $product_ids;
715	}
716
717	/**
718	* When a post is updated and terms recounted (called by _update_post_term_count), clear the ids.
719	* @param int $object_id Object ID.
720	* @param array $terms An array of object terms.
721	* @param array $tt_ids An array of term taxonomy IDs.
722	* @param string $taxonomy Taxonomy slug.
723	* @param bool $append Whether to append new terms to the old terms.
724	* @param array $old_tt_ids Old array of term taxonomy IDs.
725	*/
726	function wc_clear_term_product_ids( $object_id, $terms, $tt_ids, $taxonomy, $append, $old_tt_ids ) {
727	foreach ( $old_tt_ids as $term_id ) {
728	delete_woocommerce_term_meta( $term_id, 'product_ids' );
729	}
730	foreach ( $tt_ids as $term_id ) {
731	delete_woocommerce_term_meta( $term_id, 'product_ids' );
732	}
733	}
734	add_action( 'set_object_terms', 'wc_clear_term_product_ids', 10, 6 );
735
736	/**
737	* Get full list of product visibilty term ids.
738	*
739	* @since 3.0.0
740	* @return int[]
741	*/
742	function wc_get_product_visibility_term_ids() {
743	return array_map( 'absint', wp_parse_args(
744	wp_list_pluck(
745	get_terms( array(
746	'taxonomy' => 'product_visibility',
747	'hide_empty' => false,
748	) ),
749	'term_taxonomy_id',
750	'name'
751	),
752	array(
753	'exclude-from-catalog' => 0,
754	'exclude-from-search' => 0,
755	'featured' => 0,
756	'outofstock' => 0,
757	'rated-1' => 0,
758	'rated-2' => 0,
759	'rated-3' => 0,
760	'rated-4' => 0,
761	'rated-5' => 0,
762	)
763	) );
764	}
765