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Polylang / 3.6.7
Polylang v3.6.7
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← All changes | include/language.php +406 -217 3.0.23.6.7 View file →
@@ -7,28 +7,58 @@
7 7 * A language object is made of two terms in 'language' and 'term_language' taxonomies.
8 8 * Manipulating only one object per language instead of two terms should make things easier.
9 9 *
10 10 * @since 1.2
11 + * @immutable
12 + *
13 + * @phpstan-type LanguagePropData array{
14 + * term_id: positive-int,
15 + * term_taxonomy_id: positive-int,
16 + * count: int<0, max>
17 + * }
18 + * @phpstan-type LanguageData array{
19 + * term_props: array{
20 + * language: LanguagePropData,
21 + * }&array<non-empty-string, LanguagePropData>,
22 + * name: non-empty-string,
23 + * slug: non-empty-string,
24 + * locale: non-empty-string,
25 + * w3c: non-empty-string,
26 + * flag_code: non-empty-string,
27 + * term_group: int,
28 + * is_rtl: int<0, 1>,
29 + * facebook?: string,
30 + * home_url: non-empty-string,
31 + * search_url: non-empty-string,
32 + * host: non-empty-string,
33 + * flag_url: non-empty-string,
34 + * flag: non-empty-string,
35 + * custom_flag_url?: string,
36 + * custom_flag?: string,
37 + * page_on_front: int<0, max>,
38 + * page_for_posts: int<0, max>,
39 + * active: bool,
40 + * fallbacks?: array<non-empty-string>,
41 + * is_default: bool
42 + * }
11 43 */
12 -class PLL_Language {
13 - /**
14 - * Id of the term in 'language' taxonomy.
15 - *
16 - * @var int
17 - */
18 - public $term_id;
44 +class PLL_Language extends PLL_Language_Deprecated {
19 45
20 46 /**
21 47 * Language name. Ex: English.
22 48 *
23 49 * @var string
50 + *
51 + * @phpstan-var non-empty-string
24 52 */
25 53 public $name;
26 54
27 55 /**
28 - * Language code used in url. Ex: en.
56 + * Language code used in URL. Ex: en.
29 57 *
30 58 * @var string
59 + *
60 + * @phpstan-var non-empty-string
31 61 */
32 62 public $slug;
33 63
34 64 /**
@@ -38,46 +68,24 @@
38 68 */
39 69 public $term_group;
40 70
41 71 /**
42 - * Term taxonomy id in 'language' taxonomy.
72 + * ID of the term in 'language' taxonomy.
73 + * Duplicated from `$this->term_props['language']['term_id'],
74 + * but kept to facilitate the use of it.
43 75 *
44 76 * @var int
45 - */
46 - public $term_taxonomy_id;
47 -
48 - /**
49 - * Number of posts and pages in that language.
50 77 *
51 - * @var int
78 + * @phpstan-var int<1, max>
52 79 */
53 - public $count;
80 + public $term_id;
54 81
55 82 /**
56 - * Id of the term in 'term_language' taxonomy.
57 - *
58 - * @var int
59 - */
60 - public $tl_term_id;
61 -
62 - /**
63 - * Term taxonomy id in 'term_language' taxonomy.
64 - *
65 - * @var int
66 - */
67 - public $tl_term_taxonomy_id;
68 -
69 - /**
70 - * Number of terms in that language.
71 - *
72 - * @var int
73 - */
74 - public $tl_count;
75 -
76 - /**
77 83 * WordPress language locale. Ex: en_US.
78 84 *
79 85 * @var string
86 + *
87 + * @phpstan-var non-empty-string
80 88 */
81 89 public $locale;
82 90
83 91 /**
@@ -83,8 +91,10 @@
83 91 /**
84 92 * 1 if the language is rtl, 0 otherwise.
85 93 *
86 94 * @var int
95 + *
96 + * @phpstan-var int<0, 1>
87 97 */
88 98 public $is_rtl;
89 99
90 100 /**
@@ -89,9 +99,11 @@
89 99
90 100 /**
91 101 * W3C locale.
92 102 *
93 - * @var string.
103 + * @var string
104 + *
105 + * @phpstan-var non-empty-string
94 106 */
95 107 public $w3c;
96 108
97 109 /**
@@ -96,142 +108,257 @@
96 108
97 109 /**
98 110 * Facebook locale.
99 111 *
100 - * @var string.
112 + * @var string
101 113 */
102 - public $facebook;
114 + public $facebook = '';
103 115
104 116 /**
105 - * Home url in this language.
117 + * Home URL in this language.
106 118 *
107 119 * @var string
120 + *
121 + * @phpstan-var non-empty-string
108 122 */
109 - public $home_url;
123 + private $home_url;
110 124
111 125 /**
112 - * Home url to use in search forms.
126 + * Home URL to use in search forms.
113 127 *
114 128 * @var string
129 + *
130 + * @phpstan-var non-empty-string
115 131 */
116 - public $search_url;
132 + private $search_url;
117 133
118 134 /**
119 135 * Host corresponding to this language.
120 136 *
121 137 * @var string
138 + *
139 + * @phpstan-var non-empty-string
122 140 */
123 141 public $host;
124 142
125 143 /**
126 - * Id of the post storing strings translations.
144 + * ID of the page on front in this language (set from pll_additional_language_data filter).
127 145 *
128 146 * @var int
147 + *
148 + * @phpstan-var int<0, max>
129 149 */
130 - public $mo_id;
150 + public $page_on_front = 0;
131 151
132 152 /**
133 - * Id of the page on front in this language ( set from pll_languages_list filter ).
153 + * ID of the page for posts in this language (set from pll_additional_language_data filter).
134 154 *
135 155 * @var int
136 - */
137 - public $page_on_front;
138 -
139 - /**
140 - * Id of the page for posts in this language ( set from pll_languages_list filter ).
141 156 *
142 - * @var int
157 + * @phpstan-var int<0, max>
143 158 */
144 - public $page_for_posts;
159 + public $page_for_posts = 0;
145 160
146 161 /**
147 162 * Code of the flag.
148 163 *
149 164 * @var string
165 + *
166 + * @phpstan-var non-empty-string
150 167 */
151 168 public $flag_code;
152 169
153 170 /**
154 - * Url of the flag.
171 + * URL of the flag. Always set to the main domain.
155 172 *
156 173 * @var string
174 + *
175 + * @phpstan-var non-empty-string
157 176 */
158 177 public $flag_url;
159 178
160 179 /**
161 - * Html markup of the flag.
180 + * HTML markup of the flag.
162 181 *
163 182 * @var string
183 + *
184 + * @phpstan-var non-empty-string
164 185 */
165 186 public $flag;
166 187
167 188 /**
168 - * Url of the custom flag if it exists.
189 + * URL of the custom flag if it exists. Always set to the main domain.
169 190 *
170 191 * @var string
171 192 */
172 - public $custom_flag_url;
193 + public $custom_flag_url = '';
173 194
174 195 /**
175 - * Html markup of the custom flag if it exists.
196 + * HTML markup of the custom flag if it exists.
176 197 *
177 198 * @var string
178 199 */
179 - public $custom_flag;
200 + public $custom_flag = '';
180 201
181 202 /**
182 - * Constructor: builds a language object given its two corresponding terms in 'language' and 'term_language' taxonomies.
203 + * Whether or not the language is active. Default `true`.
183 204 *
205 + * @var bool
206 + */
207 + public $active = true;
208 +
209 + /**
210 + * List of WordPress language locales. Ex: array( 'en_GB' ).
211 + *
212 + * @var string[]
213 + *
214 + * @phpstan-var list<non-empty-string>
215 + */
216 + public $fallbacks = array();
217 +
218 + /**
219 + * Whether the language is the default one.
220 + *
221 + * @var bool
222 + */
223 + public $is_default;
224 +
225 + /**
226 + * Stores language term properties (like term IDs and counts) for each language taxonomy (`language`,
227 + * `term_language`, etc).
228 + * This stores the values of the properties `$term_id` + `$term_taxonomy_id` + `$count` (`language`), `$tl_term_id`
229 + * + `$tl_term_taxonomy_id` + `$tl_count` (`term_language`), and the `term_id` + `term_taxonomy_id` + `count` for
230 + * other language taxonomies.
231 + *
232 + * @var array[] Array keys are language term names.
233 + *
234 + * @example array(
235 + * 'language' => array(
236 + * 'term_id' => 7,
237 + * 'term_taxonomy_id' => 8,
238 + * 'count' => 11,
239 + * ),
240 + * 'term_language' => array(
241 + * 'term_id' => 11,
242 + * 'term_taxonomy_id' => 12,
243 + * 'count' => 6,
244 + * ),
245 + * 'foo_language' => array(
246 + * 'term_id' => 33,
247 + * 'term_taxonomy_id' => 34,
248 + * 'count' => 0,
249 + * ),
250 + * )
251 + *
252 + * @phpstan-var array{
253 + * language: LanguagePropData,
254 + * }
255 + * &array<non-empty-string, LanguagePropData>
256 + */
257 + protected $term_props;
258 +
259 + /**
260 + * Constructor: builds a language object given the corresponding data.
261 + *
184 262 * @since 1.2
263 + * @since 3.4 Only accepts one argument.
185 264 *
186 - * @param WP_Term|array $language Term in 'language' taxonomy or language object properties stored as an array.
187 - * @param WP_Term $term_language Corresponding 'term_language' term.
265 + * @param array $language_data {
266 + * Language object properties stored as an array.
267 + *
268 + * @type array[] $term_props An array of language term properties. Array keys are language taxonomy names
269 + * (`language` and `term_language` are mandatory), array values are arrays of
270 + * language term properties (`term_id`, `term_taxonomy_id`, and `count`).
271 + * @type string $name Language name. Ex: English.
272 + * @type string $slug Language code used in URL. Ex: en.
273 + * @type string $locale WordPress language locale. Ex: en_US.
274 + * @type string $w3c W3C locale.
275 + * @type string $flag_code Code of the flag.
276 + * @type int $term_group Order of the language when displayed in a list of languages.
277 + * @type int $is_rtl `1` if the language is rtl, `0` otherwise.
278 + * @type string $facebook Optional. Facebook locale.
279 + * @type string $home_url Home URL in this language.
280 + * @type string $search_url Home URL to use in search forms.
281 + * @type string $host Host corresponding to this language.
282 + * @type string $flag_url URL of the flag.
283 + * @type string $flag HTML markup of the flag.
284 + * @type string $custom_flag_url Optional. URL of the custom flag if it exists.
285 + * @type string $custom_flag Optional. HTML markup of the custom flag if it exists.
286 + * @type int $page_on_front Optional. ID of the page on front in this language.
287 + * @type int $page_for_posts Optional. ID of the page for posts in this language.
288 + * @type bool $active Whether or not the language is active. Default `true`.
289 + * @type string[] $fallbacks List of WordPress language locales. Ex: array( 'en_GB' ).
290 + * @type bool $is_default Whether or not the language is the default one.
291 + * }
292 + *
293 + * @phpstan-param LanguageData $language_data
188 294 */
189 - public function __construct( $language, $term_language = null ) {
190 - // Build the object from all properties stored as an array.
191 - if ( is_array( $language ) ) {
192 - foreach ( $language as $prop => $value ) {
193 - $this->$prop = $value;
194 - }
295 + public function __construct( array $language_data ) {
296 + foreach ( $language_data as $prop => $value ) {
297 + $this->$prop = $value;
195 298 }
196 299
197 - // Build the object from taxonomy terms.
198 - elseif ( ! empty( $term_language ) ) {
199 - $this->term_id = (int) $language->term_id;
200 - $this->name = $language->name;
201 - $this->slug = $language->slug;
202 - $this->term_group = (int) $language->term_group;
203 - $this->term_taxonomy_id = (int) $language->term_taxonomy_id;
204 - $this->count = (int) $language->count;
300 + $this->term_id = $this->term_props['language']['term_id'];
301 + }
205 302
206 - $this->tl_term_id = (int) $term_language->term_id;
207 - $this->tl_term_taxonomy_id = (int) $term_language->term_taxonomy_id;
208 - $this->tl_count = (int) $term_language->count;
303 + /**
304 + * Returns a language term property value (term ID, term taxonomy ID, or count).
305 + *
306 + * @since 3.4
307 + *
308 + * @param string $taxonomy_name Name of the taxonomy.
309 + * @param string $prop_name Name of the property: 'term_taxonomy_id', 'term_id', 'count'.
310 + * @return int
311 + *
312 + * @phpstan-param non-empty-string $taxonomy_name
313 + * @phpstan-param 'term_taxonomy_id'|'term_id'|'count' $prop_name
314 + * @phpstan-return int<0, max>
315 + */
316 + public function get_tax_prop( $taxonomy_name, $prop_name ) {
317 + return isset( $this->term_props[ $taxonomy_name ][ $prop_name ] ) ? $this->term_props[ $taxonomy_name ][ $prop_name ] : 0;
318 + }
209 319
210 - // The description field can contain any property.
211 - $description = maybe_unserialize( $language->description );
212 - foreach ( $description as $prop => $value ) {
213 - 'rtl' == $prop ? $this->is_rtl = $value : $this->$prop = $value;
214 - }
320 + /**
321 + * Returns the language term props for all content types.
322 + *
323 + * @since 3.4
324 + *
325 + * @param string $property Name of the field to return. An empty string to return them all.
326 + * @return (int[]|int)[] Array keys are taxonomy names, array values depend of `$property`.
327 + *
328 + * @phpstan-param 'term_taxonomy_id'|'term_id'|'count'|'' $property
329 + * @phpstan-return array<non-empty-string, (
330 + * $property is non-empty-string ?
331 + * (
332 + * $property is 'count' ?
333 + * int<0, max> :
334 + * positive-int
335 + * ) :
336 + * LanguagePropData
337 + * )>
338 + */
339 + public function get_tax_props( $property = '' ) {
340 + if ( empty( $property ) ) {
341 + return $this->term_props;
342 + }
215 343
216 - $this->mo_id = PLL_MO::get_id( $this );
344 + $term_props = array();
217 345
218 - $languages = include POLYLANG_DIR . '/settings/languages.php';
219 - $this->w3c = isset( $languages[ $this->locale ]['w3c'] ) ? $languages[ $this->locale ]['w3c'] : str_replace( '_', '-', $this->locale );
220 - if ( isset( $languages[ $this->locale ]['facebook'] ) ) {
221 - $this->facebook = $languages[ $this->locale ]['facebook'];
222 - }
346 + foreach ( $this->term_props as $taxonomy_name => $props ) {
347 + $term_props[ $taxonomy_name ] = $props[ $property ];
223 348 }
349 +
350 + return $term_props;
224 351 }
225 352
226 353 /**
227 - * Get the flag informations:
354 + * Returns the flag information.
228 355 *
229 356 * @since 2.6
230 357 *
231 358 * @param string $code Flag code.
232 359 * @return array {
233 - * Flag informations.
360 + * Flag information.
234 361 *
235 362 * @type string $url Flag url.
236 363 * @type string $src Optional, src attribute value if different of the url, for example if base64 encoded.
237 364 * @type int $width Optional, flag width in pixels.
@@ -236,26 +363,39 @@
236 363 * @type string $src Optional, src attribute value if different of the url, for example if base64 encoded.
237 364 * @type int $width Optional, flag width in pixels.
238 365 * @type int $height Optional, flag height in pixels.
239 366 * }
367 + *
368 + * @phpstan-return array{
369 + * url: string,
370 + * src: string,
371 + * width?: positive-int,
372 + * height?: positive-int
373 + * }
240 374 */
241 375 public static function get_flag_informations( $code ) {
242 - $flag = array( 'url' => '' );
376 + $default_flag = array(
377 + 'url' => '',
378 + 'src' => '',
379 + );
243 380
244 381 // Polylang builtin flags.
245 - if ( ! empty( $code ) && file_exists( POLYLANG_DIR . ( $file = '/flags/' . $code . '.png' ) ) ) {
246 - $flag['url'] = plugins_url( $file, POLYLANG_FILE );
382 + if ( ! empty( $code ) && is_readable( POLYLANG_DIR . ( $file = '/flags/' . $code . '.png' ) ) ) {
383 + $default_flag['url'] = plugins_url( $file, POLYLANG_FILE );
247 384
248 385 // If base64 encoded flags are preferred.
249 - if ( ! defined( 'PLL_ENCODED_FLAGS' ) || PLL_ENCODED_FLAGS ) {
250 - list( $flag['width'], $flag['height'] ) = getimagesize( POLYLANG_DIR . $file );
251 - $file_contents = file_get_contents( POLYLANG_DIR . $file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
252 - $flag['src'] = 'data:image/png;base64,' . base64_encode( $file_contents ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
386 + if ( pll_get_constant( 'PLL_ENCODED_FLAGS', true ) ) {
387 + $imagesize = getimagesize( POLYLANG_DIR . $file );
388 + if ( is_array( $imagesize ) ) {
389 + list( $default_flag['width'], $default_flag['height'] ) = $imagesize;
390 + }
391 + $file_contents = file_get_contents( POLYLANG_DIR . $file ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
392 + $default_flag['src'] = 'data:image/png;base64,' . base64_encode( $file_contents ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode
253 393 }
254 394 }
255 395
256 396 /**
257 - * Filters flag informations:
397 + * Filters flag information:
258 398 *
259 399 * @since 2.4
260 400 *
261 401 * @param array $flag {
@@ -267,13 +407,13 @@
267 407 * @type int $height Optional, flag height in pixels.
268 408 * }
269 409 * @param string $code Flag code.
270 410 */
271 - $flag = apply_filters( 'pll_flag', $flag, $code );
411 + $flag = apply_filters( 'pll_flag', $default_flag, $code );
272 412
273 413 $flag['url'] = esc_url_raw( $flag['url'] );
274 414
275 - if ( empty( $flag['src'] ) ) {
415 + if ( empty( $flag['src'] ) || ( $flag['src'] === $default_flag['src'] && $flag['url'] !== $default_flag['url'] ) ) {
276 416 $flag['src'] = esc_url( set_url_scheme( $flag['url'], 'relative' ) );
277 417 }
278 418
279 419 return $flag;
@@ -279,92 +419,10 @@
279 419 return $flag;
280 420 }
281 421
282 422 /**
283 - * Sets flag_url and flag properties.
423 + * Returns HTML code for flag.
284 424 *
285 - * @since 1.2
286 - *
287 - * @return void
288 - */
289 - public function set_flag() {
290 - $flags = array( 'flag' => self::get_flag_informations( $this->flag_code ) );
291 -
292 - // Custom flags?
293 - $directories = array(
294 - PLL_LOCAL_DIR,
295 - get_stylesheet_directory() . '/polylang',
296 - get_template_directory() . '/polylang',
297 - );
298 -
299 - foreach ( $directories as $dir ) {
300 - if ( file_exists( $file = "{$dir}/{$this->locale}.png" ) || file_exists( $file = "{$dir}/{$this->locale}.jpg" ) || file_exists( $file = "{$dir}/{$this->locale}.svg" ) ) {
301 - $flags['custom_flag']['url'] = content_url( '/' . str_replace( WP_CONTENT_DIR, '', $file ) );
302 - break;
303 - }
304 - }
305 -
306 - /**
307 - * Filters the custom flag informations.
308 - *
309 - * @param array $flag {
310 - * Information about the custom flag.
311 - *
312 - * @type string $url Flag url.
313 - * @type string $src Optional, src attribute value if different of the url, for example if base64 encoded.
314 - * @type int $width Optional, flag width in pixels.
315 - * @type int $height Optional, flag height in pixels.
316 - * }
317 - * @param string $code Flag code.
318 - *
319 - * @since 2.4
320 - */
321 - $flags['custom_flag'] = apply_filters( 'pll_custom_flag', empty( $flags['custom_flag'] ) ? null : $flags['custom_flag'], $this->flag_code );
322 -
323 - if ( ! empty( $flags['custom_flag']['url'] ) ) {
324 - if ( empty( $flags['custom_flag']['src'] ) ) {
325 - $flags['custom_flag']['src'] = esc_url( set_url_scheme( $flags['custom_flag']['url'], 'relative' ) );
326 - }
327 -
328 - $flags['custom_flag']['url'] = esc_url_raw( $flags['custom_flag']['url'] );
329 - } else {
330 - unset( $flags['custom_flag'] );
331 - }
332 -
333 - /**
334 - * Filters the flag title attribute.
335 - * Defaults to the language name.
336 - *
337 - * @since 0.7
338 - *
339 - * @param string $title The flag title attribute.
340 - * @param string $slug The language code.
341 - * @param string $locale The language locale.
342 - */
343 - $title = apply_filters( 'pll_flag_title', $this->name, $this->slug, $this->locale );
344 -
345 - foreach ( $flags as $key => $flag ) {
346 - $this->{$key . '_url'} = empty( $flag['url'] ) ? '' : $flag['url'];
347 -
348 - /**
349 - * Filters the html markup of a flag.
350 - *
351 - * @since 1.0.2
352 - *
353 - * @param string $flag Html markup of the flag or empty string.
354 - * @param string $slug Language code.
355 - */
356 - $this->{$key} = apply_filters(
357 - 'pll_get_flag',
358 - self::get_flag_html( $flag, $title, $this->name ),
359 - $this->slug
360 - );
361 - }
362 - }
363 -
364 - /**
365 - * Get HTML code for flag.
366 - *
367 425 * @since 2.7
368 426 *
369 427 * @param array $flag Flag properties: src, width and height.
370 428 * @param string $title Optional title attribute.
@@ -369,8 +427,14 @@
369 427 * @param array $flag Flag properties: src, width and height.
370 428 * @param string $title Optional title attribute.
371 429 * @param string $alt Optional alt attribute.
372 430 * @return string
431 + *
432 + * @phpstan-param array{
433 + * src: string,
434 + * width?: int|numeric-string,
435 + * height?: int|numeric-string
436 + * } $flag
373 437 */
374 438 public static function get_flag_html( $flag, $title = '', $alt = '' ) {
375 439 if ( empty( $flag['src'] ) ) {
376 440 return '';
@@ -406,13 +470,24 @@
406 470 /**
407 471 * Returns the html of the custom flag if any, or the default flag otherwise.
408 472 *
409 473 * @since 2.8
474 + * @since 3.5.3 Added the `$alt` parameter.
410 475 *
476 + * @param string $alt Whether or not the alternative text should be set. Accepts 'alt' and 'no-alt'.
477 + *
411 478 * @return string
479 + *
480 + * @phpstan-param 'alt'|'no-alt' $alt
412 481 */
413 - public function get_display_flag() {
414 - return empty( $this->custom_flag ) ? $this->flag : $this->custom_flag;
482 + public function get_display_flag( $alt = 'alt' ) {
483 + $flag = empty( $this->custom_flag ) ? $this->flag : $this->custom_flag;
484 +
485 + if ( 'alt' === $alt ) {
486 + return $flag;
487 + }
488 +
489 + return (string) preg_replace( '/(?<=\salt=\")([^"]+)(?=\")/', '', $flag );
415 490 }
416 491
417 492 /**
418 493 * Returns the url of the custom flag if any, or the default flag otherwise.
@@ -421,9 +496,19 @@
421 496 *
422 497 * @return string
423 498 */
424 499 public function get_display_flag_url() {
425 - return empty( $this->custom_flag_url ) ? $this->flag_url : $this->custom_flag_url;
500 + $flag_url = empty( $this->custom_flag_url ) ? $this->flag_url : $this->custom_flag_url;
501 +
502 + /**
503 + * Filters `flag_url` property.
504 + *
505 + * @since 3.4.4
506 + *
507 + * @param string $flag_url Flag URL.
508 + * @param PLL_Language $language Current `PLL_language` instance.
509 + */
510 + return apply_filters( 'pll_language_flag_url', $flag_url, $this );
426 511 }
427 512
428 513 /**
429 514 * Updates post and term count.
@@ -432,55 +517,159 @@
432 517 *
433 518 * @return void
434 519 */
435 520 public function update_count() {
436 - wp_update_term_count( $this->term_taxonomy_id, 'language' ); // Posts count.
437 - wp_update_term_count( $this->tl_term_taxonomy_id, 'term_language' ); // Terms count.
521 + foreach ( $this->term_props as $taxonomy => $props ) {
522 + wp_update_term_count( $props['term_taxonomy_id'], $taxonomy );
523 + }
438 524 }
439 525
440 526 /**
441 - * Set home_url and search_url properties.
527 + * Returns the language locale.
528 + * Converts WP locales to W3C valid locales for display.
442 529 *
443 - * @since 1.3
530 + * @since 1.8
444 531 *
445 - * @param string $search_url Home url to use in search forms.
446 - * @param string $home_url Home url.
447 - * @return void
532 + * @param string $filter Either 'display' or 'raw', defaults to raw.
533 + * @return string
534 + *
535 + * @phpstan-param 'display'|'raw' $filter
536 + * @phpstan-return non-empty-string
448 537 */
449 - public function set_home_url( $search_url, $home_url ) {
450 - $this->search_url = $search_url;
451 - $this->home_url = $home_url;
538 + public function get_locale( $filter = 'raw' ) {
539 + return 'display' === $filter ? $this->w3c : $this->locale;
452 540 }
453 541
454 542 /**
455 - * Sets the scheme of the home url and the flag urls.
543 + * Returns the values of this instance's properties, which can be filtered if required.
456 544 *
457 - * This can't be cached across pages.
545 + * @since 3.4
458 546 *
459 - * @since 2.8
547 + * @param string $context Whether or not properties should be filtered. Accepts `db` or `display`.
548 + * Default to `display` which filters some properties.
460 549 *
461 - * @return void
550 + * @return array Array of language object properties.
551 + *
552 + * @phpstan-return LanguageData
462 553 */
463 - public function set_url_scheme() {
464 - $this->home_url = set_url_scheme( $this->home_url );
465 - $this->search_url = set_url_scheme( $this->search_url );
554 + public function to_array( $context = 'display' ) {
555 + $language = get_object_vars( $this );
466 556
467 - // Set url scheme, also for the flags.
468 - $this->flag_url = set_url_scheme( $this->flag_url );
469 - if ( ! empty( $this->custom_flag_url ) ) {
470 - $this->custom_flag_url = set_url_scheme( $this->custom_flag_url );
557 + if ( 'db' !== $context ) {
558 + $language['home_url'] = $this->get_home_url();
559 + $language['search_url'] = $this->get_search_url();
471 560 }
561 +
562 + /** @phpstan-var LanguageData $language */
563 + return $language;
472 564 }
473 565
474 566 /**
475 - * Returns the language locale.
476 - * Converts WP locales to W3C valid locales for display.
567 + * Converts current `PLL_language` into a `stdClass` object. Mostly used to allow dynamic properties.
477 568 *
478 - * @since 1.8
569 + * @since 3.4
479 570 *
480 - * @param string $filter Either 'display' or 'raw', defaults to raw.
481 - * @return string
571 + * @return stdClass Converted `PLL_Language` object.
482 572 */
483 - public function get_locale( $filter = 'raw' ) {
484 - return 'display' === $filter ? $this->w3c : $this->locale;
573 + public function to_std_class() {
574 + return (object) $this->to_array();
575 + }
576 +
577 + /**
578 + * Returns a predefined HTML flag.
579 + *
580 + * @since 3.4
581 + *
582 + * @param string $flag_code Flag code to render.
583 + * @return string HTML code for the flag.
584 + */
585 + public static function get_predefined_flag( $flag_code ) {
586 + $flag = self::get_flag_informations( $flag_code );
587 +
588 + return self::get_flag_html( $flag );
589 + }
590 +
591 + /**
592 + * Returns language's home URL. Takes care to render it dynamically if no cache is allowed.
593 + *
594 + * @since 3.4
595 + *
596 + * @return string Language home URL.
597 + */
598 + public function get_home_url() {
599 + if ( ! pll_get_constant( 'PLL_CACHE_LANGUAGES', true ) || ! pll_get_constant( 'PLL_CACHE_HOME_URL', true ) ) {
600 + /**
601 + * Filters current `PLL_Language` instance `home_url` property.
602 + *
603 + * @since 3.4.4
604 + *
605 + * @param string $home_url The `home_url` prop.
606 + * @param array $language Current Array of `PLL_Language` properties.
607 + */
608 + return apply_filters( 'pll_language_home_url', $this->home_url, $this->to_array( 'db' ) );
609 + }
610 +
611 + return $this->home_url;
612 + }
613 +
614 + /**
615 + * Returns language's search URL. Takes care to render it dynamically if no cache is allowed.
616 + *
617 + * @since 3.4
618 + *
619 + * @return string Language search URL.
620 + */
621 + public function get_search_url() {
622 + if ( ! pll_get_constant( 'PLL_CACHE_LANGUAGES', true ) || ! pll_get_constant( 'PLL_CACHE_HOME_URL', true ) ) {
623 + /**
624 + * Filters current `PLL_Language` instance `search_url` property.
625 + *
626 + * @since 3.4.4
627 + *
628 + * @param string $search_url The `search_url` prop.
629 + * @param array $language Current Array of `PLL_Language` properties.
630 + */
631 + return apply_filters( 'pll_language_search_url', $this->search_url, $this->to_array( 'db' ) );
632 + }
633 +
634 + return $this->search_url;
635 + }
636 +
637 + /**
638 + * Returns the value of a language property.
639 + * This is handy to get a property's value without worrying about triggering a deprecation warning or anything.
640 + *
641 + * @since 3.4
642 + *
643 + * @param string $property A property name. A composite value can be used for language term property values, in the
644 + * form of `{language_taxonomy_name}:{property_name}` (see {@see PLL_Language::get_tax_prop()}
645 + * for the possible values). Ex: `term_language:term_taxonomy_id`.
646 + * @return string|int|bool|string[] The requested property for the language, `false` if the property doesn't exist.
647 + *
648 + * @phpstan-return (
649 + * $property is 'slug' ? non-empty-string : string|int|bool|list<non-empty-string>
650 + * )
651 + */
652 + public function get_prop( $property ) {
653 + // Deprecated property.
654 + if ( $this->is_deprecated_term_property( $property ) ) {
655 + return $this->get_deprecated_term_property( $property );
656 + }
657 +
658 + if ( $this->is_deprecated_url_property( $property ) ) {
659 + return $this->get_deprecated_url_property( $property );
660 + }
661 +
662 + // Composite property like 'term_language:term_taxonomy_id'.
663 + if ( preg_match( '/^(?<tax>.{1,32}):(?<field>term_id|term_taxonomy_id|count)$/', $property, $matches ) ) {
664 + /** @var array{tax:non-empty-string, field:'term_id'|'term_taxonomy_id'|'count'} $matches */
665 + return $this->get_tax_prop( $matches['tax'], $matches['field'] );
666 + }
667 +
668 + // Any other public property.
669 + if ( isset( $this->$property ) ) {
670 + return $this->$property;
671 + }
672 +
673 + return false;
485 674 }
486 675 }