PluginProbe
Polylang / 2.9
Polylang v2.9
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/api.php +105 -127 3.02.9 View file →
@@ -3,46 +3,48 @@
3 3 * @package Polylang
4 4 */
5 5
6 6 /**
7 - * Template tag: displays the language switcher.
8 - * The function does nothing if used outside the frontend.
7 + * Template tag: displays the language switcher
9 8 *
9 + * List of parameters accepted in $args:
10 + *
11 + * dropdown => displays a dropdown if set to 1, defaults to 0
12 + * echo => echoes the switcher if set to 1 ( default )
13 + * hide_if_empty => hides languages with no posts ( or pages ) if set to 1 ( default )
14 + * show_flags => shows flags if set to 1, defaults to 0
15 + * show_names => shows languages names if set to 1 ( default )
16 + * display_names_as => whether to display the language name or its slug, valid options are 'slug' and 'name', defaults to name
17 + * force_home => forces linking to the home page is set to 1, defaults to 0
18 + * hide_if_no_translation => hides the link if there is no translation if set to 1, defaults to 0
19 + * hide_current => hides the current language if set to 1, defaults to 0
20 + * post_id => if not null, link to translations of post defined by post_id, defaults to null
21 + * raw => set this to true to build your own custom language switcher, defaults to 0
22 + * item_spacing => whether to preserve or discard whitespace between list items, valid options are 'preserve' and 'discard', defaults to preserve
23 + *
10 24 * @api
11 25 * @since 0.5
12 26 *
13 - * @param array $args {
14 - * Optional array of arguments.
15 - *
16 - * @type int $dropdown The list is displayed as dropdown if set to 1, defaults to 0.
17 - * @type int $echo Echoes the list if set to 1, defaults to 1.
18 - * @type int $hide_if_empty Hides languages with no posts ( or pages ) if set to 1, defaults to 1.
19 - * @type int $show_flags Displays flags if set to 1, defaults to 0.
20 - * @type int $show_names Shows language names if set to 1, defaults to 1.
21 - * @type string $display_names_as Whether to display the language name or its slug, valid options are 'slug' and 'name', defaults to name.
22 - * @type int $force_home Will always link to the homepage in the translated language if set to 1, defaults to 0.
23 - * @type int $hide_if_no_translation Hides the link if there is no translation if set to 1, defaults to 0.
24 - * @type int $hide_current Hides the current language if set to 1, defaults to 0.
25 - * @type int $post_id Returns links to the translations of the post defined by post_id if set, defaults to not set.
26 - * @type int $raw Return a raw array instead of html markup if set to 1, defaults to 0.
27 - * @type string $item_spacing Whether to preserve or discard whitespace between list items, valid options are 'preserve' and 'discard', defaults to 'preserve'.
28 - * }
29 - * @return string|array Either the html markup of the switcher or the raw elements to build a custom language switcher.
27 + * @param array $args optional
28 + * @return null|string|array null if displaying, array if raw is requested, string otherwise
30 29 */
31 -function pll_the_languages( $args = array() ) {
32 - $switcher = new PLL_Switcher();
33 - return $switcher->the_languages( PLL()->links, $args );
30 +function pll_the_languages( $args = '' ) {
31 + if ( PLL() instanceof PLL_Frontend ) {
32 + $switcher = new PLL_Switcher();
33 + return $switcher->the_languages( PLL()->links, $args );
34 + }
35 + return '';
34 36 }
35 37
36 38 /**
37 - * Returns the current language on frontend.
38 - * Returns the language set in admin language filter on backend ( false if set to all languages ).
39 + * Returns the current language on frontend
40 + * Returns the language set in admin language filter on backend ( false if set to all languages )
39 41 *
40 42 * @api
41 43 * @since 0.8.1
42 44 *
43 - * @param string $field Optional, the language field to return ( @see PLL_Language ), defaults to 'slug'. Pass OBJECT constant to get the language object.
44 - * @return string|PLL_Language|false The requested field for the current language.
45 + * @param string $field Optional, the language field to return ( see PLL_Language ), defaults to 'slug', pass OBJECT constant to get the language object.
46 + * @return string|PLL_Language|bool The requested field for the current language
45 47 */
46 48 function pll_current_language( $field = 'slug' ) {
47 49 if ( OBJECT === $field ) {
48 50 return PLL()->curlang;
@@ -50,15 +52,15 @@
50 52 return isset( PLL()->curlang->$field ) ? PLL()->curlang->$field : false;
51 53 }
52 54
53 55 /**
54 - * Returns the default language.
56 + * Returns the default language
55 57 *
56 58 * @api
57 59 * @since 1.0
58 60 *
59 - * @param string $field Optional, the language field to return ( @see PLL_Language ), defaults to 'slug'. Pass OBJECT constant to get the language object.
60 - * @return string|PLL_Language|false The requested field for the default language.
61 + * @param string $field Optional, the language field to return ( see PLL_Language ), defaults to 'slug', pass OBJECT constant to get the language object.
62 + * @return string|PLL_Language|bool The requested field for the default language
61 63 */
62 64 function pll_default_language( $field = 'slug' ) {
63 65 if ( isset( PLL()->options['default_lang'] ) ) {
64 66 $lang = PLL()->model->get_language( PLL()->options['default_lang'] );
@@ -72,42 +74,42 @@
72 74 return false;
73 75 }
74 76
75 77 /**
76 - * Among the post and its translations, returns the id of the post which is in the language represented by $lang.
78 + * Among the post and its translations, returns the id of the post which is in the language represented by $slug
77 79 *
78 80 * @api
79 81 * @since 0.5
80 82 *
81 - * @param int $post_id Post id.
82 - * @param string $lang Optional language code, defaults to the current language.
83 - * @return int|false|null Post id of the translation if it exists, false otherwise, null if the current language is not defined yet.
83 + * @param int $post_id post id
84 + * @param string $slug optional language code, defaults to current language
85 + * @return int|false|null post id of the translation if exists, false otherwise, null if the current language is not defined yet
84 86 */
85 -function pll_get_post( $post_id, $lang = '' ) {
86 - return ( $lang = $lang ? $lang : pll_current_language() ) ? PLL()->model->post->get( $post_id, $lang ) : null;
87 +function pll_get_post( $post_id, $slug = '' ) {
88 + return ( $slug = $slug ? $slug : pll_current_language() ) ? PLL()->model->post->get( $post_id, $slug ) : null;
87 89 }
88 90
89 91 /**
90 - * Among the term and its translations, returns the id of the term which is in the language represented by $lang.
92 + * Among the term and its translations, returns the id of the term which is in the language represented by $slug
91 93 *
92 94 * @api
93 95 * @since 0.5
94 96 *
95 - * @param int $term_id Term id.
96 - * @param string $lang Optional language code, defaults to the current language.
97 - * @return int|false|null Term id of the translation if it exists, false otherwise, null if the current language is not defined yet.
97 + * @param int $term_id term id
98 + * @param string $slug optional language code, defaults to current language
99 + * @return int|false|null term id of the translation if exists, false otherwise, null if the current language is not defined yet
98 100 */
99 -function pll_get_term( $term_id, $lang = '' ) {
100 - return ( $lang = $lang ? $lang : pll_current_language() ) ? PLL()->model->term->get( $term_id, $lang ) : null;
101 +function pll_get_term( $term_id, $slug = '' ) {
102 + return ( $slug = $slug ? $slug : pll_current_language() ) ? PLL()->model->term->get( $term_id, $slug ) : null;
101 103 }
102 104
103 105 /**
104 - * Returns the home url in a language.
106 + * Returns the home url in the current language
105 107 *
106 108 * @api
107 109 * @since 0.8
108 110 *
109 - * @param string $lang Optional language code, defaults to the current language.
111 + * @param string $lang language code ( optional on frontend )
110 112 * @return string
111 113 */
112 114 function pll_home_url( $lang = '' ) {
113 115 if ( empty( $lang ) ) {
@@ -117,19 +119,17 @@
117 119 return empty( $lang ) ? home_url( '/' ) : PLL()->links->get_home_url( $lang );
118 120 }
119 121
120 122 /**
121 - * Registers a string for translation in the "strings translation" panel.
123 + * Registers a string for translation in the "strings translation" panel
122 124 *
123 125 * @api
124 126 * @since 0.6
125 127 *
126 - * @param string $name A unique name for the string.
127 - * @param string $string The string to register.
128 - * @param string $context Optional, the group in which the string is registered, defaults to 'polylang'.
129 - * @param bool $multiline Optional, true if the string table should display a multiline textarea,
130 - * false if should display a single line input, defaults to false.
131 - * @return void
128 + * @param string $name a unique name for the string
129 + * @param string $string the string to register
130 + * @param string $context optional the group in which the string is registered, defaults to 'polylang'
131 + * @param bool $multiline optional whether the string table should display a multiline textarea or a single line input, defaults to single line
132 132 */
133 133 function pll_register_string( $name, $string, $context = 'Polylang', $multiline = false ) {
134 134 if ( PLL() instanceof PLL_Admin_Base ) {
135 135 PLL_Admin_Strings::register_string( $name, $string, $context, $multiline );
@@ -136,15 +136,15 @@
136 136 }
137 137 }
138 138
139 139 /**
140 - * Translates a string ( previously registered with pll_register_string ).
140 + * Translates a string ( previously registered with pll_register_string )
141 141 *
142 142 * @api
143 143 * @since 0.6
144 144 *
145 - * @param string $string The string to translate.
146 - * @return string The string translated in the current language.
145 + * @param string $string the string to translate
146 + * @return string the string translation in the current language
147 147 */
148 148 function pll__( $string ) {
149 149 return is_scalar( $string ) ? __( $string, 'pll_string' ) : $string; // PHPCS:ignore WordPress.WP.I18n
150 150 }
@@ -154,10 +154,10 @@
154 154 *
155 155 * @api
156 156 * @since 2.1
157 157 *
158 - * @param string $string The string to translate.
159 - * @return string The string translated in the current language.
158 + * @param string $string the string to translate
159 + * @return string translation in the current language
160 160 */
161 161 function pll_esc_html__( $string ) {
162 162 return esc_html( pll__( $string ) );
163 163 }
@@ -167,10 +167,10 @@
167 167 *
168 168 * @api
169 169 * @since 2.1
170 170 *
171 - * @param string $string The string to translate.
172 - * @return string The string translated in the current language.
171 + * @param string $string The string to translate
172 + * @return string
173 173 */
174 174 function pll_esc_attr__( $string ) {
175 175 return esc_attr( pll__( $string ) );
176 176 }
@@ -181,10 +181,9 @@
181 181 *
182 182 * @api
183 183 * @since 0.6
184 184 *
185 - * @param string $string The string to translate.
186 - * @return void
185 + * @param string $string The string to translate
187 186 */
188 187 function pll_e( $string ) {
189 188 echo pll__( $string ); // phpcs:ignore
190 189 }
@@ -194,10 +193,9 @@
194 193 *
195 194 * @api
196 195 * @since 2.1
197 196 *
198 - * @param string $string The string to translate.
199 - * @return void
197 + * @param string $string The string to translate
200 198 */
201 199 function pll_esc_html_e( $string ) {
202 200 echo pll_esc_html__( $string ); // phpcs:ignore WordPress.Security.EscapeOutput
203 201 }
@@ -207,10 +205,9 @@
207 205 *
208 206 * @api
209 207 * @since 2.1
210 208 *
211 - * @param string $string The string to translate.
212 - * @return void
209 + * @param string $string The string to translate
213 210 */
214 211 function pll_esc_attr_e( $string ) {
215 212 echo pll_esc_attr__( $string ); // phpcs:ignore WordPress.Security.EscapeOutput
216 213 }
@@ -215,16 +212,16 @@
215 212 echo pll_esc_attr__( $string ); // phpcs:ignore WordPress.Security.EscapeOutput
216 213 }
217 214
218 215 /**
219 - * Translates a string ( previously registered with pll_register_string ).
216 + * Translates a string ( previously registered with pll_register_string )
220 217 *
221 218 * @api
222 219 * @since 1.5.4
223 220 *
224 - * @param string $string The string to translate.
225 - * @param string $lang Language code.
226 - * @return string The string translated in the requested language.
221 + * @param string $string the string to translate
222 + * @param string $lang language code
223 + * @return string the string translation in the requested language
227 224 */
228 225 function pll_translate_string( $string, $lang ) {
229 226 if ( PLL() instanceof PLL_Frontend && pll_current_language() == $lang ) {
230 227 return pll__( $string );
@@ -233,9 +230,9 @@
233 230 if ( ! is_scalar( $string ) ) {
234 231 return $string;
235 232 }
236 233
237 - static $cache; // Cache object to avoid loading the same translations object several times.
234 + static $cache; // Cache object to avoid loading the same translations object several times
238 235
239 236 if ( empty( $cache ) ) {
240 237 $cache = new PLL_Cache();
241 238 }
@@ -249,14 +246,14 @@
249 246 return $mo->translate( $string );
250 247 }
251 248
252 249 /**
253 - * Returns true if Polylang manages languages and translations for this post type.
250 + * Returns true if Polylang manages languages and translations for this post type
254 251 *
255 252 * @api
256 253 * @since 1.0.1
257 254 *
258 - * @param string $post_type Post type name.
255 + * @param string $post_type Post type name
259 256 * @return bool
260 257 */
261 258 function pll_is_translated_post_type( $post_type ) {
262 259 return PLL()->model->is_translated_post_type( $post_type );
@@ -262,14 +259,14 @@
262 259 return PLL()->model->is_translated_post_type( $post_type );
263 260 }
264 261
265 262 /**
266 - * Returns true if Polylang manages languages and translations for this taxonomy.
263 + * Returns true if Polylang manages languages and translations for this taxonomy
267 264 *
268 265 * @api
269 266 * @since 1.0.1
270 267 *
271 - * @param string $tax Taxonomy name.
268 + * @param string $tax Taxonomy name
272 269 * @return bool
273 270 */
274 271 function pll_is_translated_taxonomy( $tax ) {
275 272 return PLL()->model->is_translated_taxonomy( $tax );
@@ -275,20 +272,20 @@
275 272 return PLL()->model->is_translated_taxonomy( $tax );
276 273 }
277 274
278 275 /**
279 - * Returns the list of available languages.
276 + * Returns the list of available languages
280 277 *
278 + * List of parameters accepted in $args:
279 + *
280 + * hide_empty => hides languages with no posts if set to true ( defaults to false )
281 + * fields => return only that field if set ( see PLL_Language for a list of fields )
282 + *
281 283 * @api
282 284 * @since 1.5
283 285 *
284 - * @param array $args {
285 - * Optional array of arguments.
286 - *
287 - * @type bool $hide_empty Hides languages with no posts if set to true ( defaults to false ).
288 - * @type string $fields Return only that field if set ( @see PLL_Language for a list of fields ), defaults to 'slug'.
289 - * }
290 - * @return string[]
286 + * @param array $args list of parameters
287 + * @return array
291 288 */
292 289 function pll_languages_list( $args = array() ) {
293 290 $args = wp_parse_args( $args, array( 'fields' => 'slug' ) );
294 291 return PLL()->model->get_languages_list( $args );
@@ -294,16 +291,15 @@
294 291 return PLL()->model->get_languages_list( $args );
295 292 }
296 293
297 294 /**
298 - * Sets the post language.
295 + * Set the post language
299 296 *
300 297 * @api
301 298 * @since 1.5
302 299 *
303 - * @param int $id Post id.
304 - * @param string $lang Language code.
305 - * @return void
300 + * @param int $id post id
301 + * @param string $lang language code
306 302 */
307 303 function pll_set_post_language( $id, $lang ) {
308 304 PLL()->model->post->set_language( $id, $lang );
309 305 }
@@ -308,16 +304,15 @@
308 304 PLL()->model->post->set_language( $id, $lang );
309 305 }
310 306
311 307 /**
312 - * Sets the term language.
308 + * Set the term language
313 309 *
314 310 * @api
315 311 * @since 1.5
316 312 *
317 - * @param int $id Term id.
318 - * @param string $lang Language code.
319 - * @return void
313 + * @param int $id term id
314 + * @param string $lang language code
320 315 */
321 316 function pll_set_term_language( $id, $lang ) {
322 317 PLL()->model->term->set_language( $id, $lang );
323 318 }
@@ -322,15 +317,14 @@
322 317 PLL()->model->term->set_language( $id, $lang );
323 318 }
324 319
325 320 /**
326 - * Save posts translations.
321 + * Save posts translations
327 322 *
328 323 * @api
329 324 * @since 1.5
330 325 *
331 - * @param int[] $arr An associative array of translations with language code as key and post id as value.
332 - * @return void
326 + * @param array $arr an associative array of translations with language code as key and post id as value
333 327 */
334 328 function pll_save_post_translations( $arr ) {
335 329 PLL()->model->post->save_translations( reset( $arr ), $arr );
336 330 }
@@ -340,10 +334,9 @@
340 334 *
341 335 * @api
342 336 * @since 1.5
343 337 *
344 - * @param int[] $arr An associative array of translations with language code as key and term id as value.
345 - * @return void
338 + * @param array $arr an associative array of translations with language code as key and term id as value
346 339 */
347 340 function pll_save_term_translations( $arr ) {
348 341 PLL()->model->term->save_translations( reset( $arr ), $arr );
349 342 }
@@ -348,16 +341,16 @@
348 341 PLL()->model->term->save_translations( reset( $arr ), $arr );
349 342 }
350 343
351 344 /**
352 - * Returns the post language.
345 + * Returns the post language
353 346 *
354 347 * @api
355 348 * @since 1.5.4
356 349 *
357 - * @param int $post_id Post id.
358 - * @param string $field Optional, the language field to return ( @see PLL_Language ), defaults to 'slug'.
359 - * @return string|false The requested field for the post language, false if no language is associated to that post.
350 + * @param int $post_id
351 + * @param string $field Optional, the language field to return ( see PLL_Language ), defaults to 'slug'
352 + * @return bool|string The requested field for the post language, false if no language is associated to that post
360 353 */
361 354 function pll_get_post_language( $post_id, $field = 'slug' ) {
362 355 return ( $lang = PLL()->model->post->get_language( $post_id ) ) ? $lang->$field : false;
363 356 }
@@ -362,16 +355,16 @@
362 355 return ( $lang = PLL()->model->post->get_language( $post_id ) ) ? $lang->$field : false;
363 356 }
364 357
365 358 /**
366 - * Returns the term language.
359 + * Returns the term language
367 360 *
368 361 * @api
369 362 * @since 1.5.4
370 363 *
371 - * @param int $term_id Term id.
372 - * @param string $field Optional, the language field to return ( @see PLL_Language ), defaults to 'slug'.
373 - * @return string|false The requested field for the term language, false if no language is associated to that term.
364 + * @param int $term_id
365 + * @param string $field Optional, the language field to return ( see PLL_Language ), defaults to 'slug'
366 + * @return bool|string The requested field for the term language, false if no language is associated to that term
374 367 */
375 368 function pll_get_term_language( $term_id, $field = 'slug' ) {
376 369 return ( $lang = PLL()->model->term->get_language( $term_id ) ) ? $lang->$field : false;
377 370 }
@@ -376,15 +369,15 @@
376 369 return ( $lang = PLL()->model->term->get_language( $term_id ) ) ? $lang->$field : false;
377 370 }
378 371
379 372 /**
380 - * Returns an array of translations of a post.
373 + * Returns an array of translations of a post
381 374 *
382 375 * @api
383 376 * @since 1.8
384 377 *
385 - * @param int $post_id Post id.
386 - * @return int[] An associative array of translations with language code as key and translation post id as value.
378 + * @param int $post_id
379 + * @return array an associative array of translations with language code as key and translation post_id as value
387 380 */
388 381 function pll_get_post_translations( $post_id ) {
389 382 return PLL()->model->post->get_translations( $post_id );
390 383 }
@@ -389,15 +382,15 @@
389 382 return PLL()->model->post->get_translations( $post_id );
390 383 }
391 384
392 385 /**
393 - * Returns an array of translations of a term.
386 + * Returns an array of translations of a term
394 387 *
395 388 * @api
396 389 * @since 1.8
397 390 *
398 - * @param int $term_id Term id.
399 - * @return int[] An associative array of translations with language code as key and translation term id as value.
391 + * @param int $term_id
392 + * @return array an associative array of translations with language code as key and translation term_id as value
400 393 */
401 394 function pll_get_term_translations( $term_id ) {
402 395 return PLL()->model->term->get_translations( $term_id );
403 396 }
@@ -402,28 +395,15 @@
402 395 return PLL()->model->term->get_translations( $term_id );
403 396 }
404 397
405 398 /**
406 - * Counts posts in a language.
399 + * Count posts in a language
407 400 *
408 401 * @api
409 402 * @since 1.5
410 403 *
411 404 * @param string $lang Language code.
412 - * @param array $args {
413 - * Optional arguments.
414 - * Accepted keys:
415 - *
416 - * @type string $post_type Post type.
417 - * @type int $m YearMonth ( ex: 201307 ).
418 - * @type int $year 4 digit year.
419 - * @type int $monthnum Month number (from 1 to 12).
420 - * @type int $day Day of the month (from 1 to 31).
421 - * @type int $author Author id.
422 - * @type string $author_name Author nicename.
423 - * @type string $post_format Post format.
424 - * @type string $post_status Post status.
425 - * }
405 + * @param array $args WP_Query arguments ( accepted keys: post_type, m, year, monthnum, day, author, author_name, post_format, post_status ).
426 406 * @return int Posts count.
427 407 */
428 408 function pll_count_posts( $lang, $args = array() ) {
429 409 return PLL()->model->count_posts( PLL()->model->get_language( $lang ), $args );
@@ -429,15 +409,13 @@
429 409 return PLL()->model->count_posts( PLL()->model->get_language( $lang ), $args );
430 410 }
431 411
432 412 /**
433 - * Allows to access the Polylang instance.
434 - * However, it is always preferable to use API functions
435 - * as internal methods may be changed without prior notice.
413 + * Allows to access the Polylang instance
414 + * It is always preferable to use API functions
415 + * Internal methods may be changed without prior notice
436 416 *
437 417 * @since 1.8
438 - *
439 - * @return PLL_Frontend|PLL_Admin|PLL_Settings|PLL_REST_Request
440 418 */
441 419 function PLL() { // PHPCS:ignore WordPress.NamingConventions.ValidFunctionName
442 420 return $GLOBALS['polylang'];
443 421 }