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Polylang / 3.1
Polylang v3.1
3.8.9 3.8.8 3.8.7 3.8.6 3.8.5 3.8.4 3.8.3 2.7 2.7.0.1 2.7.1 2.7.2 2.7.3 2.7.4 2.8 2.8.1 2.8.2 2.8.3 2.8.4 2.9 2.9.1 2.9.2 3.0 3.0.1 3.0.2 3.0.3 All 233 releases
← All changes | include/model.php +225 -192 2.83.1 View file →
@@ -8,29 +8,53 @@
8 8 *
9 9 * @since 1.2
10 10 */
11 11 class PLL_Model {
12 - public $cache; // Our internal non persistent cache object
12 + /**
13 + * Internal non persistent cache object.
14 + *
15 + * @var PLL_Cache
16 + */
17 + public $cache;
18 +
19 + /**
20 + * Stores the plugin options.
21 + *
22 + * @var array
23 + */
13 24 public $options;
14 - public $post, $term; // Translated objects models
15 25
16 26 /**
17 - * Constructor
18 - * setups translated objects sub models
19 - * setups filters and actions
27 + * Translated post model.
20 28 *
29 + * @var PLL_Translated_Post
30 + */
31 + public $post;
32 +
33 + /**
34 + * Translated term model.
35 + *
36 + * @var PLL_Translated_Term
37 + */
38 + public $term;
39 +
40 + /**
41 + * Constructor.
42 + * Setups translated objects sub models.
43 + * Setups filters and actions.
44 + *
21 45 * @since 1.2
22 46 *
23 - * @param array $options Polylang options
47 + * @param array $options Polylang options.
24 48 */
25 49 public function __construct( &$options ) {
26 50 $this->options = &$options;
27 51
28 52 $this->cache = new PLL_Cache();
29 - $this->post = new PLL_Translated_Post( $this ); // translated post sub model
30 - $this->term = new PLL_Translated_Term( $this ); // translated term sub model
53 + $this->post = new PLL_Translated_Post( $this ); // Translated post sub model.
54 + $this->term = new PLL_Translated_Term( $this ); // Translated term sub model.
31 55
32 - // We need to clean languages cache when editing a language and when modifying the permalink structure
56 + // We need to clean languages cache when editing a language and when modifying the permalink structure.
33 57 add_action( 'edited_term_taxonomy', array( $this, 'clean_languages_cache' ), 10, 2 );
34 58 add_action( 'update_option_permalink_structure', array( $this, 'clean_languages_cache' ) );
35 59 add_action( 'update_option_siteurl', array( $this, 'clean_languages_cache' ) );
36 60 add_action( 'update_option_home', array( $this, 'clean_languages_cache' ) );
@@ -36,31 +60,29 @@
36 60 add_action( 'update_option_home', array( $this, 'clean_languages_cache' ) );
37 61
38 62 add_filter( 'get_terms_args', array( $this, 'get_terms_args' ) );
39 63
40 - // Just in case someone would like to display the language description ;- )
64 + // Just in case someone would like to display the language description ;).
41 65 add_filter( 'language_description', '__return_empty_string' );
42 66 }
43 67
44 68 /**
45 - * Returns the list of available languages
46 - * caches the list in a db transient ( except flags ), unless PLL_CACHE_LANGUAGES is set to false
47 - * caches the list ( with flags ) in the private property $languages
69 + * Returns the list of available languages.
70 + * - Stores the list in a db transient ( except flags ), unless PLL_CACHE_LANGUAGES is set to false.
71 + * - Caches the list ( with flags ) in a PLL_Cache object.
48 72 *
49 - * List of parameters accepted in $args:
50 - *
51 - * hide_empty => hides languages with no posts if set to true ( defaults to false )
52 - * fields => return only that field if set ( see PLL_Language for a list of fields )
53 - *
54 73 * @since 0.1
55 74 *
56 - * @param array $args
57 - * @return array|string|int list of PLL_Language objects or PLL_Language object properties
75 + * @param array $args {
76 + * @type bool $hide_empty Hides languages with no posts if set to true ( defaults to false ).
77 + * @type string $fields Returns only that field if set; {@see PLL_Language} for a list of fields.
78 + * }
79 + * @return array List of PLL_Language objects or PLL_Language object properties.
58 80 */
59 81 public function get_languages_list( $args = array() ) {
60 82 if ( false === $languages = $this->cache->get( 'languages' ) ) {
61 83
62 - // Create the languages from taxonomies
84 + // Create the languages from taxonomies.
63 85 if ( ( defined( 'PLL_CACHE_LANGUAGES' ) && ! PLL_CACHE_LANGUAGES ) || false === ( $languages = get_transient( 'pll_languages_list' ) ) ) {
64 86 $languages = get_terms( 'language', array( 'hide_empty' => false, 'orderby' => 'term_group' ) );
65 87 $languages = empty( $languages ) || is_wp_error( $languages ) ? array() : $languages;
66 88
@@ -68,38 +90,40 @@
68 90 $term_languages = empty( $term_languages ) || is_wp_error( $term_languages ) ?
69 91 array() : array_combine( wp_list_pluck( $term_languages, 'slug' ), $term_languages );
70 92
71 93 if ( ! empty( $languages ) && ! empty( $term_languages ) ) {
72 - // Don't use array_map + create_function to instantiate an autoloaded class as it breaks badly in old versions of PHP
94 + // Don't use array_map + create_function() to instantiate an autoloaded class as it breaks badly in old versions of PHP.
73 95 foreach ( $languages as $k => $v ) {
74 96 $languages[ $k ] = new PLL_Language( $v, $term_languages[ 'pll_' . $v->slug ] );
75 97 }
76 98
77 - // We will need the languages list to allow its access in the filter below
99 + // We will need the languages list to allow its access in the filter below.
78 100 $this->cache->set( 'languages', $languages );
79 101
80 102 /**
81 - * Filter the list of languages *before* it is stored in the persistent cache
82 - * /!\ this filter is fired *before* the $polylang object is available
103 + * Filters the list of languages *before* it is stored in the persistent cache.
104 + * /!\ This filter is fired *before* the $polylang object is available.
83 105 *
84 106 * @since 1.7.5
85 107 *
86 - * @param array $languages the list of language objects
87 - * @param object $model PLL_Model object
108 + * @param PLL_Language[] $languages The list of language objects.
109 + * @param PLL_Model $model PLL_Model object.
88 110 */
89 111 $languages = apply_filters( 'pll_languages_list', $languages, $this );
90 112
91 - // Don't store directly objects as it badly break with some hosts ( GoDaddy ) due to race conditions when using object cache
92 - // Thanks to captin411 for catching this!
93 - // See https://wordpress.org/support/topic/fatal-error-pll_model_languages_list?replies=8#post-6782255;
113 + /*
114 + * Don't store directly objects as it badly break with some hosts ( GoDaddy ) due to race conditions when using object cache.
115 + * Thanks to captin411 for catching this!
116 + * @see https://wordpress.org/support/topic/fatal-error-pll_model_languages_list?replies=8#post-6782255
117 + */
94 118 set_transient( 'pll_languages_list', array_map( 'get_object_vars', $languages ) );
95 119 }
96 120 else {
97 - $languages = array(); // In case something went wrong
121 + $languages = array(); // In case something went wrong.
98 122 }
99 123 }
100 124
101 - // Create the languages directly from arrays stored in transients
125 + // Create the languages directly from arrays stored in transients.
102 126 else {
103 127 foreach ( $languages as $k => $v ) {
104 128 $languages[ $k ] = new PLL_Language( $v );
105 129 }
@@ -105,14 +129,14 @@
105 129 }
106 130 }
107 131
108 132 /**
109 - * Filter the list of languages *after* it is stored in the persistent cache
110 - * /!\ this filter is fired *before* the $polylang object is available
133 + * Filters the list of languages *after* it is stored in the persistent cache.
134 + * /!\ This filter is fired *before* the $polylang object is available.
111 135 *
112 136 * @since 1.8
113 137 *
114 - * @param array $languages the list of language objects
138 + * @param PLL_Language[] $languages The list of language objects.
115 139 */
116 140 $languages = apply_filters( 'pll_after_languages_cache', $languages );
117 141 $this->cache->set( 'languages', $languages );
118 142 }
@@ -118,9 +142,9 @@
118 142 }
119 143
120 144 $args = wp_parse_args( $args, array( 'hide_empty' => false ) );
121 145
122 - // Remove empty languages if requested
146 + // Remove empty languages if requested.
123 147 if ( $args['hide_empty'] ) {
124 148 $languages = wp_list_filter( $languages, array( 'count' => 0 ), 'NOT' );
125 149 }
126 150
@@ -135,8 +159,9 @@
135 159 * @since 1.2
136 160 *
137 161 * @param int $term not used
138 162 * @param string $taxonomy taxonomy name
163 + * @return void
139 164 */
140 165 public function clean_languages_cache( $term = 0, $taxonomy = null ) {
141 166 if ( empty( $taxonomy ) || 'language' == $taxonomy ) {
142 167 delete_transient( 'pll_languages_list' );
@@ -159,14 +184,14 @@
159 184 return $args;
160 185 }
161 186
162 187 /**
163 - * Returns the language by its term_id, tl_term_id, slug or locale
188 + * Returns the language by its term_id, tl_term_id, slug or locale.
164 189 *
165 190 * @since 0.1
166 191 *
167 - * @param int|string $value term_id, tl_term_id, slug or locale of the queried language
168 - * @return object|bool PLL_Language object, false if no language found
192 + * @param mixed $value term_id, tl_term_id, slug or locale of the queried language.
193 + * @return PLL_Language|false Language object, false if no language found.
169 194 */
170 195 public function get_language( $value ) {
171 196 if ( is_object( $value ) ) {
172 197 return $value instanceof PLL_Language ? $value : $this->get_language( $value->term_id ); // will force cast to PLL_Language
@@ -186,15 +211,15 @@
186 211 return $return;
187 212 }
188 213
189 214 /**
190 - * Adds terms clauses to get_terms to filter them by languages - used in both frontend and admin
215 + * Adds terms clauses to the term query to filter them by languages.
191 216 *
192 217 * @since 1.2
193 218 *
194 - * @param array $clauses the list of sql clauses in terms query
195 - * @param object $lang PLL_Language object
196 - * @return array modified list of clauses
219 + * @param string[] $clauses The list of sql clauses in terms query.
220 + * @param PLL_Language $lang PLL_Language object.
221 + * @return string[] Modified list of clauses.
197 222 */
198 223 public function terms_clauses( $clauses, $lang ) {
199 224 if ( ! empty( $lang ) && false === strpos( $clauses['join'], 'pll_tr' ) ) {
200 225 $clauses['join'] .= $this->term->join_clause();
@@ -203,16 +228,17 @@
203 228 return $clauses;
204 229 }
205 230
206 231 /**
207 - * Returns post types that need to be translated
208 - * the post types list is cached for better better performance
209 - * wait for 'after_setup_theme' to apply the cache to allow themes adding the filter in functions.php
232 + * Returns post types that need to be translated.
233 + * The post types list is cached for better better performance.
234 + * The method waits for 'after_setup_theme' to apply the cache
235 + * to allow themes adding the filter in functions.php.
210 236 *
211 237 * @since 1.2
212 238 *
213 - * @param bool $filter true if we should return only valid registered post types
214 - * @return array post type names for which Polylang manages languages and translations
239 + * @param bool $filter True if we should return only valid registered post types.
240 + * @return string[] Post type names for which Polylang manages languages and translations.
215 241 */
216 242 public function get_translated_post_types( $filter = true ) {
217 243 if ( false === $post_types = $this->cache->get( 'post_types' ) ) {
218 244 $post_types = array( 'post' => 'post', 'page' => 'page', 'wp_block' => 'wp_block' );
@@ -225,9 +251,9 @@
225 251 $post_types = array_merge( $post_types, array_combine( $this->options['post_types'], $this->options['post_types'] ) );
226 252 }
227 253
228 254 /**
229 - * Filter the list of post types available for translation.
255 + * Filters the list of post types available for translation.
230 256 * The default are post types which have the parameter ‘public’ set to true.
231 257 * The filter must be added soon in the WordPress loading process:
232 258 * in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes.
233 259 *
@@ -232,10 +258,10 @@
232 258 * in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes.
233 259 *
234 260 * @since 0.8
235 261 *
236 - * @param array $post_types list of post type names
237 - * @param bool $is_settings true when displaying the list of custom post types in Polylang settings
262 + * @param string[] $post_types List of post type names.
263 + * @param bool $is_settings True when displaying the list of custom post types in Polylang settings.
238 264 */
239 265 $post_types = apply_filters( 'pll_get_post_types', $post_types, false );
240 266
241 267 if ( did_action( 'after_setup_theme' ) ) {
@@ -246,13 +272,13 @@
246 272 return $filter ? array_intersect( $post_types, get_post_types() ) : $post_types;
247 273 }
248 274
249 275 /**
250 - * Returns true if Polylang manages languages and translations for this post type
276 + * Returns true if Polylang manages languages and translations for this post type.
251 277 *
252 278 * @since 1.2
253 279 *
254 - * @param string|array $post_type post type name or array of post type names
280 + * @param string|string[] $post_type Post type name or array of post type names.
255 281 * @return bool
256 282 */
257 283 public function is_translated_post_type( $post_type ) {
258 284 $post_types = $this->get_translated_post_types( false );
@@ -259,14 +285,14 @@
259 285 return ( is_array( $post_type ) && array_intersect( $post_type, $post_types ) || in_array( $post_type, $post_types ) || 'any' === $post_type && ! empty( $post_types ) );
260 286 }
261 287
262 288 /**
263 - * Return taxonomies that need to be translated
289 + * Returns taxonomies that need to be translated.
264 290 *
265 291 * @since 1.2
266 292 *
267 - * @param bool $filter true if we should return only valid registered taxonomies
268 - * @return array array of registered taxonomy names for which Polylang manages languages and translations
293 + * @param bool $filter True if we should return only valid registered taxonomies.
294 + * @return string[] Array of registered taxonomy names for which Polylang manages languages and translations.
269 295 */
270 296 public function get_translated_taxonomies( $filter = true ) {
271 297 if ( false === $taxonomies = $this->cache->get( 'taxonomies' ) ) {
272 298 $taxonomies = array( 'category' => 'category', 'post_tag' => 'post_tag' );
@@ -275,9 +301,9 @@
275 301 $taxonomies = array_merge( $taxonomies, array_combine( $this->options['taxonomies'], $this->options['taxonomies'] ) );
276 302 }
277 303
278 304 /**
279 - * Filter the list of taxonomies available for translation.
305 + * Filters the list of taxonomies available for translation.
280 306 * The default are taxonomies which have the parameter ‘public’ set to true.
281 307 * The filter must be added soon in the WordPress loading process:
282 308 * in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes.
283 309 *
@@ -282,10 +308,10 @@
282 308 * in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes.
283 309 *
284 310 * @since 0.8
285 311 *
286 - * @param array $taxonomies list of taxonomy names
287 - * @param bool $is_settings true when displaying the list of custom taxonomies in Polylang settings
312 + * @param string[] $taxonomies List of taxonomy names.
313 + * @param bool $is_settings True when displaying the list of custom taxonomies in Polylang settings.
288 314 */
289 315 $taxonomies = apply_filters( 'pll_get_taxonomies', $taxonomies, false );
290 316 if ( did_action( 'after_setup_theme' ) ) {
291 317 $this->cache->set( 'taxonomies', $taxonomies );
@@ -295,13 +321,13 @@
295 321 return $filter ? array_intersect( $taxonomies, get_taxonomies() ) : $taxonomies;
296 322 }
297 323
298 324 /**
299 - * Returns true if Polylang manages languages and translations for this taxonomy
325 + * Returns true if Polylang manages languages and translations for this taxonomy.
300 326 *
301 327 * @since 1.2
302 328 *
303 - * @param string|array $tax taxonomy name or array of taxonomy names
329 + * @param string|string[] $tax Taxonomy name or array of taxonomy names.
304 330 * @return bool
305 331 */
306 332 public function is_translated_taxonomy( $tax ) {
307 333 $taxonomies = $this->get_translated_taxonomies( false );
@@ -308,14 +334,14 @@
308 334 return ( is_array( $tax ) && array_intersect( $tax, $taxonomies ) || in_array( $tax, $taxonomies ) );
309 335 }
310 336
311 337 /**
312 - * Return taxonomies that need to be filtered ( post_format like )
338 + * Return staxonomies that need to be filtered ( post_format like ).
313 339 *
314 340 * @since 1.7
315 341 *
316 - * @param bool $filter true if we should return only valid registered taxonomies
317 - * @return array array of registered taxonomy names
342 + * @param bool $filter True if we should return only valid registered taxonomies.
343 + * @return string[] Array of registered taxonomy names.
318 344 */
319 345 public function get_filtered_taxonomies( $filter = true ) {
320 346 if ( did_action( 'after_setup_theme' ) ) {
321 347 static $taxonomies = null;
@@ -324,9 +350,9 @@
324 350 if ( empty( $taxonomies ) ) {
325 351 $taxonomies = array( 'post_format' => 'post_format' );
326 352
327 353 /**
328 - * Filter the list of taxonomies not translatable but filtered by language.
354 + * Filters the list of taxonomies not translatable but filtered by language.
329 355 * Includes only the post format by default
330 356 * The filter must be added soon in the WordPress loading process:
331 357 * in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes.
332 358 *
@@ -331,10 +357,10 @@
331 357 * in a function hooked to ‘plugins_loaded’ or directly in functions.php for themes.
332 358 *
333 359 * @since 1.7
334 360 *
335 - * @param array $taxonomies list of taxonomy names
336 - * @param bool $is_settings true when displaying the list of custom taxonomies in Polylang settings
361 + * @param string[] $taxonomies List of taxonomy names.
362 + * @param bool $is_settings True when displaying the list of custom taxonomies in Polylang settings.
337 363 */
338 364 $taxonomies = apply_filters( 'pll_filtered_taxonomies', $taxonomies, false );
339 365 }
340 366
@@ -341,13 +367,13 @@
341 367 return $filter ? array_intersect( $taxonomies, get_taxonomies() ) : $taxonomies;
342 368 }
343 369
344 370 /**
345 - * Returns true if Polylang filters this taxonomy per language
371 + * Returns true if Polylang filters this taxonomy per language.
346 372 *
347 373 * @since 1.7
348 374 *
349 - * @param string|array $tax taxonomy name or array of taxonomy names
375 + * @param string|string[] $tax Taxonomy name or array of taxonomy names.
350 376 * @return bool
351 377 */
352 378 public function is_filtered_taxonomy( $tax ) {
353 379 $taxonomies = $this->get_filtered_taxonomies( false );
@@ -354,9 +380,9 @@
354 380 return ( is_array( $tax ) && array_intersect( $tax, $taxonomies ) || in_array( $tax, $taxonomies ) );
355 381 }
356 382
357 383 /**
358 - * Returns the query vars of all filtered taxonomies
384 + * Returns the query vars of all filtered taxonomies.
359 385 *
360 386 * @since 1.7
361 387 *
362 388 * @return array
@@ -364,62 +390,27 @@
364 390 public function get_filtered_taxonomies_query_vars() {
365 391 $query_vars = array();
366 392 foreach ( $this->get_filtered_taxonomies() as $filtered_tax ) {
367 393 $tax = get_taxonomy( $filtered_tax );
368 - $query_vars[] = $tax->query_var;
394 + if ( ! empty( $tax ) ) {
395 + $query_vars[] = $tax->query_var;
396 + }
369 397 }
370 398 return $query_vars;
371 399 }
372 400
373 401 /**
374 - * Create a default category for a language
375 - *
376 - * @since 1.2
377 - *
378 - * @param object|string|int $lang language
379 - */
380 - public function create_default_category( $lang ) {
381 - $lang = $this->get_language( $lang );
382 -
383 - // create a new category
384 - // FIXME this is translated in admin language when we would like it in $lang
385 - $cat_name = __( 'Uncategorized', 'polylang' );
386 - $cat_slug = sanitize_title( $cat_name . '-' . $lang->slug );
387 - $cat = wp_insert_term( $cat_name, 'category', array( 'slug' => $cat_slug ) );
388 -
389 - // check that the category was not previously created ( in case the language was deleted and recreated )
390 - $cat = isset( $cat->error_data['term_exists'] ) ? $cat->error_data['term_exists'] : $cat['term_id'];
391 -
392 - // set language
393 - $this->term->set_language( (int) $cat, $lang );
394 -
395 - // this is a translation of the default category
396 - $default = (int) get_option( 'default_category' );
397 - $translations = $this->term->get_translations( $default );
398 - if ( empty( $translations ) ) {
399 - if ( $lg = $this->term->get_language( $default ) ) {
400 - $translations[ $lg->slug ] = $default;
401 - }
402 - else {
403 - $translations = array();
404 - }
405 - }
406 -
407 - $this->term->save_translations( (int) $cat, $translations );
408 - }
409 -
410 - /**
411 402 * It is possible to have several terms with the same name in the same taxonomy ( one per language )
412 - * but the native term_exists will return true even if only one exists
413 - * so here the function adds the language parameter
403 + * but the native term_exists() will return true even if only one exists.
404 + * So here the function adds the language parameter.
414 405 *
415 406 * @since 1.4
416 407 *
417 - * @param string $term_name the term name
418 - * @param string $taxonomy taxonomy name
419 - * @param int $parent parent term id
420 - * @param string|object $language the language slug or object
421 - * @return null|int the term_id of the found term
408 + * @param string $term_name The term name.
409 + * @param string $taxonomy Taxonomy name.
410 + * @param int $parent Parent term id.
411 + * @param string|PLL_Language $language The language slug or object.
412 + * @return null|int The term_id of the found term.
422 413 */
423 414 public function term_exists( $term_name, $taxonomy, $parent, $language ) {
424 415 global $wpdb;
425 416
@@ -440,17 +431,17 @@
440 431 return $wpdb->get_var( $select . $join . $where );
441 432 }
442 433
443 434 /**
444 - * Checks if a term slug exists in a given language, taxonomy, hierarchy
435 + * Checks if a term slug exists in a given language, taxonomy, hierarchy.
445 436 *
446 437 * @since 1.9
447 - * @since 2.8 Moved from PLL_Share_Term_Slug::term_exists() to PLL_Model::term_exists_by_slug()
438 + * @since 2.8 Moved from PLL_Share_Term_Slug::term_exists() to PLL_Model::term_exists_by_slug().
448 439 *
449 - * @param string $slug The term slug to test.
450 - * @param string|object $language The language slug or object.
451 - * @param string $taxonomy Optional taxonomy name.
452 - * @param int $parent Optional parent term id.
440 + * @param string $slug The term slug to test.
441 + * @param string|PLL_Language $language The language slug or object.
442 + * @param string $taxonomy Optional taxonomy name.
443 + * @param int $parent Optional parent term id.
453 444 * @return null|int The term_id of the found term.
454 445 */
455 446 public function term_exists_by_slug( $slug, $language, $taxonomy = '', $parent = 0 ) {
456 447 global $wpdb;
@@ -478,10 +469,22 @@
478 469 * Gets the number of posts per language in a date, author or post type archive.
479 470 *
480 471 * @since 1.2
481 472 *
482 - * @param object $lang PLL_Language instance.
483 - * @param array $q WP_Query arguments ( accepted: post_type, m, year, monthnum, day, author, author_name, post_format, post_status ).
473 + * @param PLL_Language $lang PLL_Language instance.
474 + * @param array $q {
475 + * WP_Query arguments:
476 + *
477 + * @type string|string[] $post_type Post type or array of post types.
478 + * @type int $m Combination YearMonth. Accepts any four-digit year and month.
479 + * @type int $year Four-digit year.
480 + * @type int $monthnum Two-digit month.
481 + * @type int $day Day of the month.
482 + * @type int $author Author id.
483 + * @type string $author_name User 'user_nicename'.
484 + * @type string $post_format Post format.
485 + * @type string $post_status Post status.
486 + * }
484 487 * @return int
485 488 */
486 489 public function count_posts( $lang, $q = array() ) {
487 490 global $wpdb;
@@ -508,9 +511,9 @@
508 511 if ( false === $counts ) {
509 512 $select = "SELECT pll_tr.term_taxonomy_id, COUNT( * ) AS num_posts FROM {$wpdb->posts}";
510 513 $join = $this->post->join_clause();
511 514 $where = sprintf( " WHERE post_status = '%s'", esc_sql( $q['post_status'] ) );
512 - $where .= sprintf( " AND {$wpdb->posts}.post_type IN ( '%s' )", join( "', '", esc_sql( $q['post_type'] ) ) );
515 + $where .= sprintf( " AND {$wpdb->posts}.post_type IN ( '%s' )", implode( "', '", esc_sql( $q['post_type'] ) ) );
513 516 $where .= $this->post->where_clause( $this->get_languages_list() );
514 517 $groupby = ' GROUP BY pll_tr.term_taxonomy_id';
515 518
516 519 if ( ! empty( $q['m'] ) ) {
@@ -570,13 +573,13 @@
570 573 return empty( $counts[ $lang->term_taxonomy_id ] ) ? 0 : $counts[ $lang->term_taxonomy_id ];
571 574 }
572 575
573 576 /**
574 - * Setup the links model based on options
577 + * Setup the links model based on options.
575 578 *
576 579 * @since 1.2
577 580 *
578 - * @return object implementing "links_model interface"
581 + * @return PLL_Links_Model
579 582 */
580 583 public function get_links_model() {
581 584 $c = array( 'Directory', 'Directory', 'Subdomain', 'Domain' );
582 585 $class = get_option( 'permalink_structure' ) ? 'PLL_Links_' . $c[ $this->options['force_lang'] ] : 'PLL_Links_Default';
@@ -581,14 +584,14 @@
581 584 $c = array( 'Directory', 'Directory', 'Subdomain', 'Domain' );
582 585 $class = get_option( 'permalink_structure' ) ? 'PLL_Links_' . $c[ $this->options['force_lang'] ] : 'PLL_Links_Default';
583 586
584 587 /**
585 - * Filter the links model class to use
586 - * /!\ this filter is fired *before* the $polylang object is available
588 + * Filters the links model class to use.
589 + * /!\ this filter is fired *before* the $polylang object is available.
587 590 *
588 591 * @since 2.1.1
589 592 *
590 - * @param string $class A class name: PLL_Links_Default, PLL_Links_Directory, PLL_Links_Subdomain, PLL_Links_Domain
593 + * @param string $class A class name: PLL_Links_Default, PLL_Links_Directory, PLL_Links_Subdomain, PLL_Links_Domain.
591 594 */
592 595 $class = apply_filters( 'pll_links_model', $class );
593 596
594 597 return new $class( $this );
@@ -594,80 +597,110 @@
594 597 return new $class( $this );
595 598 }
596 599
597 600 /**
598 - * Some backward compatibility with Polylang < 1.8
599 - * allows for example to call $polylang->model->get_post_languages( $post_id ) instead of $polylang->model->post->get_language( $post_id )
600 - * this works but should be slower than the direct call, thus an error is triggered in debug mode
601 + * Returns posts and terms ids without language ( used in settings ).
601 602 *
602 - * @since 1.8
603 + * @since 0.9
604 + * @since 2.2.6 Add the $limit argument.
603 605 *
604 - * @param string $func Function name
605 - * @param array $args Function arguments
606 + * @param int $limit Max number of posts or terms to return. Defaults to -1 (no limit).
607 + * @return array {
608 + * Objects without language.
609 + *
610 + * @type int[] $posts Array of post ids.
611 + * @type int[] $terms Array of term ids.
612 + * }
606 613 */
607 - public function __call( $func, $args ) {
608 - $f = $func;
614 + public function get_objects_with_no_lang( $limit = -1 ) {
615 + /**
616 + * Filters the max number of posts or terms to return when searching objects with no language.
617 + * This filter can be used to decrease the memory usage in case the number of objects
618 + * without language is too big. Using a negative value is equivalent to have no limit.
619 + *
620 + * @since 2.2.6
621 + *
622 + * @param int $limit Max number of posts or terms to retrieve from the database.
623 + */
624 + $limit = (int) apply_filters( 'get_objects_with_no_lang_limit', $limit );
609 625
610 - switch ( $func ) {
611 - case 'get_object_term':
612 - $o = ( false === strpos( $args[1], 'term' ) ) ? 'post' : 'term';
613 - break;
626 + $posts = $this->get_posts_with_no_lang( $this->get_translated_post_types(), $limit );
627 + $terms = $this->get_terms_with_no_lang( $this->get_translated_taxonomies(), $limit );
614 628
615 - case 'save_translations':
616 - case 'delete_translation':
617 - case 'get_translations':
618 - case 'get_translation':
619 - case 'join_clause':
620 - $o = ( 'post' == $args[0] || $this->is_translated_post_type( $args[0] ) ) ? 'post' : ( 'term' == $args[0] || $this->is_translated_taxonomy( $args[0] ) ? 'term' : false );
621 - unset( $args[0] );
622 - break;
629 + /**
630 + * Filters the list of untranslated posts ids and terms ids
631 + *
632 + * @since 0.9
633 + *
634 + * @param array|false $objects false if no ids found, list of post and/or term ids otherwise.
635 + */
636 + return apply_filters( 'pll_get_objects_with_no_lang', empty( $posts ) && empty( $terms ) ? false : array( 'posts' => $posts, 'terms' => $terms ) );
637 + }
623 638
624 - case 'set_post_language':
625 - case 'get_post_language':
626 - case 'set_term_language':
627 - case 'get_term_language':
628 - case 'delete_term_language':
629 - case 'get_post':
630 - case 'get_term':
631 - $str = explode( '_', $func );
632 - $f = empty( $str[2] ) ? $str[0] : $str[0] . '_' . $str[2];
633 - $o = $str[1];
634 - break;
639 + /**
640 + * Returns ids of post without language.
641 + *
642 + * @since 3.1
643 + *
644 + * @param string|string[] $post_types A translated post type or an array of translated post types.
645 + * @param int $limit Max number of posts to return.
646 + * @return int[]
647 + */
648 + public function get_posts_with_no_lang( $post_types, $limit ) {
649 + return get_posts(
650 + array(
651 + 'numberposts' => $limit,
652 + 'nopaging' => $limit <= 0,
653 + 'post_type' => $post_types,
654 + 'post_status' => 'any',
655 + 'fields' => 'ids',
656 + 'tax_query' => array(
657 + array(
658 + 'taxonomy' => 'language',
659 + 'terms' => $this->get_languages_list( array( 'fields' => 'term_id' ) ),
660 + 'operator' => 'NOT IN',
661 + ),
662 + ),
663 + )
664 + );
665 + }
635 666
636 - case 'where_clause':
637 - case 'get_objects_in_language':
638 - $o = $args[1];
639 - unset( $args[1] );
640 - break;
641 - }
667 + /**
668 + * Returns ids of terms without language.
669 + *
670 + * @since 3.1
671 + *
672 + * @param string|string[] $taxonomies A translated taxonomy or an array of taxonomies post types.
673 + * @param int $limit Max number of terms to return.
674 + * @return int[]
675 + */
676 + public function get_terms_with_no_lang( $taxonomies, $limit ) {
677 + global $wpdb;
642 678
643 - if ( ! empty( $o ) && is_object( $this->$o ) && method_exists( $this->$o, $f ) ) {
644 - if ( WP_DEBUG ) {
645 - $debug = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions
646 - $i = 1 + empty( $debug[1]['line'] ); // the file and line are in $debug[2] if the function was called using call_user_func
679 + $taxonomies = (array) $taxonomies;
647 680
648 - trigger_error( // phpcs:ignore WordPress.PHP.DevelopmentFunctions
649 - sprintf(
650 - '%1$s was called incorrectly in %4$s on line %5$s: the call to $polylang->model->%1$s() has been deprecated in Polylang 1.8, use PLL()->model->%2$s->%3$s() instead.' . "\nError handler",
651 - esc_html( $func ),
652 - esc_html( $o ),
653 - esc_html( $f ),
654 - esc_html( $debug[ $i ]['file'] ),
655 - absint( $debug[ $i ]['line'] )
656 - )
657 - );
658 - }
659 - return call_user_func_array( array( $this->$o, $f ), $args );
681 + $sql = sprintf(
682 + "SELECT {$wpdb->term_taxonomy}.term_id FROM {$wpdb->term_taxonomy}
683 + WHERE taxonomy IN ('%s')
684 + AND {$wpdb->term_taxonomy}.term_id NOT IN (
685 + SELECT object_id FROM {$wpdb->term_relationships} WHERE term_taxonomy_id IN (%s)
686 + )
687 + %s",
688 + implode( "','", array_map( 'esc_sql', $taxonomies ) ),
689 + implode( ',', array_map( 'intval', $this->get_languages_list( array( 'fields' => 'tl_term_taxonomy_id' ) ) ) ),
690 + $limit > 0 ? sprintf( 'LIMIT %d', intval( $limit ) ) : ''
691 + );
692 +
693 + $key = md5( $sql );
694 + $last_changed = wp_cache_get_last_changed( 'terms' );
695 + $cache_key = "terms_no_lang:{$key}:{$last_changed}";
696 +
697 + $term_ids = wp_cache_get( $cache_key, 'terms' );
698 +
699 + if ( false === $term_ids ) {
700 + $term_ids = $wpdb->get_col( $sql ); // PHPCS:ignore WordPress.DB.PreparedSQL.NotPrepared
701 + wp_cache_set( $cache_key, $term_ids, 'terms' );
660 702 }
661 703
662 - $debug = debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions
663 - trigger_error( // phpcs:ignore WordPress.PHP.DevelopmentFunctions
664 - sprintf(
665 - 'Call to undefined function PLL()->model->%1$s() in %2$s on line %3$s' . "\nError handler",
666 - esc_html( $func ),
667 - esc_html( $debug[0]['file'] ),
668 - absint( $debug[0]['line'] )
669 - ),
670 - E_USER_ERROR
671 - );
704 + return $term_ids;
672 705 }
673 706 }