simple-tags / inc / hidden-terms.php

hidden-terms.php in Tag, Category, and Taxonomy Manager – Autotagger Automatically Add Terms trunk, at inc/hidden-terms.php

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1	<?php
2
3	// phpcs:disable WordPress.DB.DirectDatabaseQuery.NoCaching -- Legacy TaxoPress file: keep behavior unchanged while documenting existing PHPCS exceptions.
4
5	if (!class_exists('SimpleTags_Hidden_Terms')) {
6	class SimpleTags_Hidden_Terms
7	{
8	public const MENU_SLUG = 'st_options';
9
10	// class instance
11	public static $instance;
12
13	public static function get_instance()
14	{
15	if (! isset(self::$instance)) {
16	self::$instance = new self();
17	}
18
19	return self::$instance;
20	}
21
22	/**
23	* Class Constructor
24	*/
25	public function __construct()
26	{
27
28	add_action('taxopress_settings_saved', [$this, 'taxopress_schedule_hidden_terms_cron']);
29	add_action('taxopress_update_hidden_terms_event', [$this, 'taxopress_set_hidden_terms']);
30	add_filter('term_link', [$this, 'taxopress_modify_hidden_term_links'], 10, 3);
31	add_filter('get_the_terms', [$this,'taxopress_remove_hidden_terms'], 10, 3);
32	add_action('taxopress_settings_saved', [$this, 'taxopress_update_hidden_terms_immediately']);
33	}
34
35	/**
36	* Schedule the cron job to update hidden terms once a day if enabled
37	*/
38	public function taxopress_schedule_hidden_terms_cron()
39	{
40	if ((int) SimpleTags_Plugin::get_option_value('enable_hidden_terms')) {
41	if (!wp_next_scheduled('taxopress_update_hidden_terms_event')) {
42	wp_schedule_event(time(), 'daily', 'taxopress_update_hidden_terms_event');
43	}
44	} else {
45	wp_clear_scheduled_hook('taxopress_update_hidden_terms_event');
46	}
47	}
48
49	public function taxopress_set_hidden_terms($taxonomy = 'post_tag', $min_usage = 0)
50	{
51	if (!(int) SimpleTags_Plugin::get_option_value('enable_hidden_terms')) {
52	return;
53	}
54	global $wpdb;
55
56	$min_usage = (int) SimpleTags_Plugin::get_option_value('hide-rarely');
57	if ((int) $min_usage > 100) {
58	return;
59	}
60
61	$taxonomies = array_keys(get_taxonomies(['public' => true, 'show_ui' => true]));
62
63	foreach ($taxonomies as $taxonomy) {
64	$offset = 0;
65	$limit = 5000;
66	$all_hidden_terms = [];
67
68	do {
69	$terms_id = $wpdb->get_col($wpdb->prepare(
70	"SELECT term_id FROM $wpdb->term_taxonomy WHERE taxonomy = %s AND count < %d LIMIT %d OFFSET %d",
71	$taxonomy,
72	$min_usage,
73	$limit,
74	$offset
75	));
76
77	if (!empty($terms_id)) {
78	$all_hidden_terms = array_merge($all_hidden_terms, $terms_id);
79	clean_term_cache($terms_id, $taxonomy);
80	}
81
82	$offset += $limit;
83	} while (!empty($terms_id));
84
85	// Check existing transient and update only if changed
86	$existing_hidden_terms = get_transient('taxopress_hidden_terms_' . $taxonomy);
87	if ($existing_hidden_terms === false \|\| array_diff($all_hidden_terms, $existing_hidden_terms) \|\| array_diff($existing_hidden_terms, $all_hidden_terms)) {
88	set_transient('taxopress_hidden_terms_' . $taxonomy, $all_hidden_terms, DAY_IN_SECONDS);
89	}
90	}
91
92	return true;
93	}
94
95	public static function taxopress_modify_hidden_term_links($term_link, $term, $taxonomy)
96	{
97	if (!(int) SimpleTags_Plugin::get_option_value('enable_hidden_terms')) {
98	return $term_link;
99	}
100
101	static $hidden_terms_cache = [];
102
103	if (!isset($hidden_terms_cache[$taxonomy])) {
104	$hidden_terms_cache[$taxonomy] = get_transient('taxopress_hidden_terms_' . $taxonomy);
105	}
106
107	if (!empty($hidden_terms_cache[$taxonomy]) && in_array($term->term_id, $hidden_terms_cache[$taxonomy])) {
108	return home_url();
109	}
110
111	return $term_link;
112	}
113
114	/**
115	* Remove hidden terms from the list on the frontend.
116	*
117	* @param array $terms List of terms.
118	* @param int $post_id Post ID.
119	* @param string $taxonomy Taxonomy slug.
120	* @return array Modified list of terms.
121	*/
122	public static function taxopress_remove_hidden_terms($terms, $post_id, $taxonomy)
123	{
124	if (!(int) SimpleTags_Plugin::get_option_value('enable_hidden_terms')) {
125	return $terms;
126	}
127
128	if (!is_admin() && !empty($terms)) {
129	$hidden_terms = get_transient('taxopress_hidden_terms_' . $taxonomy);
130
131	if (!empty($hidden_terms)) {
132	$hidden_terms_lookup = array_flip($hidden_terms);
133
134	$terms = array_filter($terms, function ($term) use ($hidden_terms_lookup) {
135	return !isset($hidden_terms_lookup[$term->term_id]);
136	});
137
138	// Re-index the array to prevent issues with numeric keys
139	$terms = array_values($terms);
140	}
141	}
142
143	return $terms;
144	}
145
146
147	/**
148	* Run the hidden terms update when settings are saved.
149	*/
150	public function taxopress_update_hidden_terms_immediately()
151	{
152	if ((int) SimpleTags_Plugin::get_option_value('enable_hidden_terms')) {
153	$this->taxopress_set_hidden_terms();
154	}
155	}
156	}
157
158	SimpleTags_Hidden_Terms::get_instance();
159	}
160