1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Carbon_Fields\Field; |
4
|
|
|
|
5
|
|
|
use Carbon_Fields\Value_Set\Value_Set; |
6
|
|
|
|
7
|
|
|
/** |
8
|
|
|
* Association field class. |
9
|
|
|
* Allows selecting and manually sorting entries from various types: |
10
|
|
|
* - Posts |
11
|
|
|
* - Terms |
12
|
|
|
* - Users |
13
|
|
|
* - Comments |
14
|
|
|
*/ |
15
|
|
|
class Association_Field extends Field { |
16
|
|
|
|
17
|
|
|
/** |
18
|
|
|
* WP_Toolset instance for WP data loading |
19
|
|
|
* |
20
|
|
|
* @var Carbon_Fields\Toolset\WP_Toolset |
21
|
|
|
*/ |
22
|
|
|
protected $wp_toolset; |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* Min number of selected items allowed. -1 for no limit |
26
|
|
|
* |
27
|
|
|
* @var integer |
28
|
|
|
*/ |
29
|
|
|
protected $min = -1; |
30
|
|
|
|
31
|
|
|
/** |
32
|
|
|
* Max number of selected items allowed. -1 for no limit |
33
|
|
|
* |
34
|
|
|
* @var integer |
35
|
|
|
*/ |
36
|
|
|
protected $max = -1; |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* Allow items to be added multiple times |
40
|
|
|
* |
41
|
|
|
* @var boolean |
42
|
|
|
*/ |
43
|
|
|
protected $duplicates_allowed = false; |
44
|
|
|
|
45
|
|
|
/** |
46
|
|
|
* Default field value |
47
|
|
|
* |
48
|
|
|
* @var array |
49
|
|
|
*/ |
50
|
|
|
protected $default_value = array(); |
51
|
|
|
|
52
|
|
|
/** |
53
|
|
|
* Types of entries to associate with. |
54
|
|
|
* @var array |
55
|
|
|
*/ |
56
|
|
|
protected $types = array( |
57
|
|
|
array( |
58
|
|
|
'type' => 'post', |
59
|
|
|
'post_type' => 'post', |
60
|
|
|
), |
61
|
|
|
); |
62
|
|
|
|
63
|
|
|
/** |
64
|
|
|
* Create a field from a certain type with the specified label. |
65
|
|
|
* |
66
|
|
|
* @param string $type Field type |
67
|
|
|
* @param string $name Field name |
68
|
|
|
* @param string $label Field label |
69
|
|
|
*/ |
70
|
|
|
public function __construct( $type, $name, $label ) { |
71
|
|
|
$this->wp_toolset = \Carbon_Fields\Carbon_Fields::resolve( 'wp_toolset' ); |
72
|
|
|
$this->set_value_set( new Value_Set( Value_Set::TYPE_VALUE_SET, array( 'type' => '', 'subtype' => '', 'id' => 0 ) ) ); |
73
|
|
|
parent::__construct( $type, $name, $label ); |
74
|
|
|
} |
75
|
|
|
|
76
|
|
|
/** |
77
|
|
|
* Load the field value from an input array based on it's name |
78
|
|
|
* |
79
|
|
|
* @param array $input Array of field names and values. |
80
|
|
|
*/ |
81
|
|
|
public function set_value_from_input( $input ) { |
82
|
|
|
$value = array(); |
83
|
|
View Code Duplication |
if ( isset( $input[ $this->get_name() ] ) ) { |
84
|
|
|
$value = stripslashes_deep( $input[ $this->get_name() ] ); |
85
|
|
|
if ( is_array( $value ) ) { |
86
|
|
|
$value = array_values( $value ); |
87
|
|
|
} |
88
|
|
|
} |
89
|
|
|
$this->set_value( $value ); |
90
|
|
|
} |
91
|
|
|
|
92
|
|
|
/** |
93
|
|
|
* Alias for $this->get_value_set()->set( $value ); |
94
|
|
|
*/ |
95
|
|
|
public function set_value( $value ) { |
96
|
|
|
$value = $this->value_string_array_to_value_set( $value ); |
97
|
|
|
parent::set_value( $value ); |
98
|
|
|
} |
99
|
|
|
|
100
|
|
|
/** |
101
|
|
|
* Get value string for legacy value |
102
|
|
|
* |
103
|
|
|
* @return string |
104
|
|
|
*/ |
105
|
|
|
protected function get_value_string_for_legacy_value( $legacy_value ) { |
106
|
|
|
$entry_type = 'post'; |
107
|
|
|
$entry_subtype = 'post'; |
108
|
|
|
|
109
|
|
|
// attempt to find a suitable type that is registered to this field as post type is not stored for legacy data |
110
|
|
|
foreach ( $this->types as $type ) { |
111
|
|
|
if ( $type['type'] === $entry_type ) { |
112
|
|
|
$entry_subtype = $type['post_type']; |
113
|
|
|
break; |
114
|
|
|
} |
115
|
|
|
} |
116
|
|
|
|
117
|
|
|
return $entry_type . ':' . $entry_subtype . ':' . $legacy_value; |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
/** |
121
|
|
|
* Convert a colo:separated:string into it's expected components |
122
|
|
|
* Used for backwards compatibility to CF 1.5 |
123
|
|
|
* |
124
|
|
|
* @param string $value_string |
125
|
|
|
* @return array |
126
|
|
|
*/ |
127
|
|
|
protected function value_string_to_property_array( $value_string ) { |
128
|
|
|
if ( is_numeric( $value_string ) ) { |
129
|
|
|
// we are dealing with legacy data that only contains a post ID |
130
|
|
|
$value_string = $this->get_value_string_for_legacy_value( $value_string ); |
131
|
|
|
} |
132
|
|
|
|
133
|
|
|
$value_pieces = explode( ':', $value_string ); |
134
|
|
|
$type = isset( $value_pieces[0] ) ? $value_pieces[0] : 'post'; |
135
|
|
|
$subtype = isset( $value_pieces[1] ) ? $value_pieces[1] : 'post'; |
136
|
|
|
$id = isset( $value_pieces[2] ) ? $value_pieces[2] : 0; |
137
|
|
|
|
138
|
|
|
$property_array = array( |
139
|
|
|
Value_Set::VALUE_PROPERTY => $value_string, |
140
|
|
|
'type' => $type, |
141
|
|
|
'subtype' => $subtype, |
142
|
|
|
'id' => intval( $id ), |
143
|
|
|
); |
144
|
|
|
return $property_array; |
145
|
|
|
} |
146
|
|
|
|
147
|
|
|
/** |
148
|
|
|
* Convert a colon:separated:string into it's expected components |
149
|
|
|
* Used for backwards compatibility to CF 1.5 |
150
|
|
|
* |
151
|
|
|
* @param array $value_string_array |
152
|
|
|
* @return array<array> |
153
|
|
|
*/ |
154
|
|
|
protected function value_string_array_to_value_set( $value_string_array ) { |
155
|
|
|
$value_set = array(); |
156
|
|
|
foreach ( $value_string_array as $raw_value_entry ) { |
157
|
|
|
$value_string = $raw_value_entry; |
158
|
|
|
|
159
|
|
|
if ( is_array( $raw_value_entry ) ) { |
160
|
|
|
if ( isset( $raw_value_entry['type'] ) ) { |
161
|
|
|
// array is already in suitable format |
162
|
|
|
$value_set[] = $raw_value_entry; |
163
|
|
|
continue; |
164
|
|
|
} |
165
|
|
|
$value_string = $raw_value_entry[ Value_Set::VALUE_PROPERTY ]; |
166
|
|
|
} |
167
|
|
|
$value_string = trim( $value_string ); |
168
|
|
|
if ( empty( $value_string ) ) { |
169
|
|
|
continue; |
170
|
|
|
} |
171
|
|
|
|
172
|
|
|
$property_array = $this->value_string_to_property_array( $value_string ); |
173
|
|
|
$value_set[] = $property_array; |
174
|
|
|
} |
175
|
|
|
return $value_set; |
176
|
|
|
} |
177
|
|
|
|
178
|
|
|
/** |
179
|
|
|
* Used to get the title of an item. |
180
|
|
|
* |
181
|
|
|
* Can be overriden or extended by the `carbon_association_title` filter. |
182
|
|
|
* |
183
|
|
|
* @param int $id The database ID of the item. |
184
|
|
|
* @param string $type Item type (post, term, user, comment, or a custom one). |
185
|
|
|
* @param string $subtype The subtype - "page", "post", "category", etc. |
186
|
|
|
* @return string $title The title of the item. |
187
|
|
|
*/ |
188
|
|
|
protected function get_title_by_type( $id, $type, $subtype = '' ) { |
189
|
|
|
$title = ''; |
190
|
|
|
|
191
|
|
|
$method = 'get_' . $type . '_title'; |
192
|
|
|
$callable = array( $this->wp_toolset, $method ); |
193
|
|
|
if ( is_callable( $callable ) ) { |
194
|
|
|
$title = call_user_func( $callable, $id, $subtype ); |
195
|
|
|
} |
196
|
|
|
|
197
|
|
|
if ( $type === 'comment' ) { |
198
|
|
|
$max = apply_filters( 'carbon_fields_association_field_comment_length', 30, $this->get_base_name() ); |
199
|
|
|
if ( strlen( $title ) > $max ) { |
200
|
|
|
$title = substr( $title, 0, $max ) . '...'; |
201
|
|
|
} |
202
|
|
|
} |
203
|
|
|
|
204
|
|
|
/** |
205
|
|
|
* Filter the title of the association item. |
206
|
|
|
* |
207
|
|
|
* @param string $title The unfiltered item title. |
208
|
|
|
* @param string $name Name of the association field. |
209
|
|
|
* @param int $id The database ID of the item. |
210
|
|
|
* @param string $type Item type (post, term, user, comment, or a custom one). |
211
|
|
|
* @param string $subtype Subtype - "page", "post", "category", etc. |
212
|
|
|
*/ |
213
|
|
|
$title = apply_filters( 'carbon_fields_association_field_title', $title, $this->get_base_name(), $id, $type, $subtype ); |
214
|
|
|
|
215
|
|
|
if ( ! $title ) { |
216
|
|
|
$title = '(no title) - ID: ' . $id; |
217
|
|
|
} |
218
|
|
|
|
219
|
|
|
return $title; |
220
|
|
|
} |
221
|
|
|
|
222
|
|
|
/** |
223
|
|
|
* Used to get the label of an item. |
224
|
|
|
* |
225
|
|
|
* Can be overriden or extended by the `carbon_association_item_label` filter. |
226
|
|
|
* |
227
|
|
|
* @param int $id The database ID of the item. |
228
|
|
|
* @param string $type Item type (post, term, user, comment, or a custom one). |
229
|
|
|
* @param string $subtype Subtype - "page", "post", "category", etc. |
230
|
|
|
* @return string $label The label of the item. |
231
|
|
|
*/ |
232
|
|
|
protected function get_item_label( $id, $type, $subtype = '' ) { |
233
|
|
|
$label = $subtype ? $subtype : $type; |
234
|
|
|
|
235
|
|
|
if ( $type === 'post' ) { |
236
|
|
|
$post_type_object = get_post_type_object( $subtype ); |
237
|
|
|
$label = $post_type_object->labels->singular_name; |
238
|
|
|
} elseif ( $type === 'term' ) { |
239
|
|
|
$taxonomy_object = get_taxonomy( $subtype ); |
240
|
|
|
$label = $taxonomy_object->labels->singular_name; |
241
|
|
|
} |
242
|
|
|
|
243
|
|
|
/** |
244
|
|
|
* Filter the label of the association item. |
245
|
|
|
* |
246
|
|
|
* @param string $label The unfiltered item label. |
247
|
|
|
* @param string $name Name of the association field. |
248
|
|
|
* @param int $id The database ID of the item. |
249
|
|
|
* @param string $type Item type (post, term, user, comment, or a custom one). |
250
|
|
|
* @param string $subtype Subtype - "page", "post", "category", etc. |
251
|
|
|
*/ |
252
|
|
|
return apply_filters( 'carbon_fields_association_field_item_label', $label, $this->get_base_name(), $id, $type, $subtype ); |
253
|
|
|
} |
254
|
|
|
|
255
|
|
|
/** |
256
|
|
|
* Get post options |
257
|
|
|
* |
258
|
|
|
* @return array $options |
259
|
|
|
*/ |
260
|
|
|
protected function get_post_options( $type ) { |
261
|
|
|
/** |
262
|
|
|
* Filter the default query when fetching posts for a particular field. |
263
|
|
|
* |
264
|
|
|
* @param array $args The parameters, passed to get_posts(). |
265
|
|
|
*/ |
266
|
|
|
$filter_name = 'carbon_fields_association_field_options_' . $this->get_base_name() . '_' . $type['type'] . '_' . $type['post_type']; |
267
|
|
|
$args = apply_filters( $filter_name, array( |
268
|
|
|
'post_type' => $type['post_type'], |
269
|
|
|
'posts_per_page' => -1, |
270
|
|
|
'fields' => 'ids', |
271
|
|
|
'suppress_filters' => false, |
272
|
|
|
) ); |
273
|
|
|
|
274
|
|
|
// fetch and prepare posts as association items |
275
|
|
|
$posts = get_posts( $args ); |
276
|
|
|
foreach ( $posts as &$p ) { |
277
|
|
|
$p = array( |
278
|
|
|
'id' => intval( $p ), |
279
|
|
|
'title' => $this->get_title_by_type( $p, $type['type'], $type['post_type'] ), |
280
|
|
|
'type' => $type['type'], |
281
|
|
|
'subtype' => $type['post_type'], |
282
|
|
|
'label' => $this->get_item_label( $p, $type['type'], $type['post_type'] ), |
283
|
|
|
'is_trashed' => ( get_post_status( $p ) == 'trash' ), |
284
|
|
|
'edit_link' => $this->get_object_edit_link( $type, $p ), |
285
|
|
|
); |
286
|
|
|
} |
287
|
|
|
return $posts; |
288
|
|
|
} |
289
|
|
|
|
290
|
|
|
/** |
291
|
|
|
* Get term options |
292
|
|
|
* |
293
|
|
|
* @return array $options |
294
|
|
|
*/ |
295
|
|
|
protected function get_term_options( $type ) { |
296
|
|
|
/** |
297
|
|
|
* Filter the default parameters when fetching terms for a particular field. |
298
|
|
|
* |
299
|
|
|
* @param array $args The parameters, passed to get_terms(). |
300
|
|
|
*/ |
301
|
|
|
$filter_name = 'carbon_fields_association_field_options_' . $this->get_base_name() . '_' . $type['type'] . '_' . $type['taxonomy']; |
302
|
|
|
$args = apply_filters( $filter_name, array( |
303
|
|
|
'hide_empty' => 0, |
304
|
|
|
'fields' => 'id=>name', |
305
|
|
|
) ); |
306
|
|
|
|
307
|
|
|
// fetch and prepare terms as association items |
308
|
|
|
$terms = get_terms( $type['taxonomy'], $args ); |
309
|
|
|
foreach ( $terms as $term_id => &$term ) { |
310
|
|
|
$term = array( |
311
|
|
|
'id' => intval( $term_id ), |
312
|
|
|
'title' => $term, |
313
|
|
|
'type' => $type['type'], |
314
|
|
|
'subtype' => $type['taxonomy'], |
315
|
|
|
'label' => $this->get_item_label( $term_id, $type['type'], $type['taxonomy'] ), |
316
|
|
|
'is_trashed' => false, |
317
|
|
|
'edit_link' => $this->get_object_edit_link( $type, $term_id ), |
318
|
|
|
); |
319
|
|
|
} |
320
|
|
|
return $terms; |
321
|
|
|
} |
322
|
|
|
|
323
|
|
|
/** |
324
|
|
|
* Get user options |
325
|
|
|
* |
326
|
|
|
* @return array $options |
327
|
|
|
*/ |
328
|
|
View Code Duplication |
protected function get_user_options( $type ) { |
329
|
|
|
/** |
330
|
|
|
* Filter the default parameters when fetching users for a particular field. |
331
|
|
|
* |
332
|
|
|
* @param array $args The parameters, passed to get_users(). |
333
|
|
|
*/ |
334
|
|
|
$filter_name = 'carbon_fields_association_field_options_' . $this->get_base_name() . '_' . $type['type']; |
335
|
|
|
$args = apply_filters( $filter_name, array( |
336
|
|
|
'fields' => 'ID', |
337
|
|
|
) ); |
338
|
|
|
|
339
|
|
|
// fetch and prepare users as association items |
340
|
|
|
$users = get_users( $args ); |
341
|
|
|
foreach ( $users as &$u ) { |
342
|
|
|
$u = array( |
343
|
|
|
'id' => intval( $u ), |
344
|
|
|
'title' => $this->get_title_by_type( $u, $type['type'] ), |
345
|
|
|
'type' => $type['type'], |
346
|
|
|
'subtype' => 'user', |
347
|
|
|
'label' => $this->get_item_label( $u, $type['type'] ), |
348
|
|
|
'is_trashed' => false, |
349
|
|
|
'edit_link' => $this->get_object_edit_link( $type, $u ), |
350
|
|
|
); |
351
|
|
|
} |
352
|
|
|
return $users; |
353
|
|
|
} |
354
|
|
|
|
355
|
|
|
/** |
356
|
|
|
* Get comment options |
357
|
|
|
* |
358
|
|
|
* @return array $options |
359
|
|
|
*/ |
360
|
|
View Code Duplication |
protected function get_comment_options( $type ) { |
361
|
|
|
/** |
362
|
|
|
* Filter the default parameters when fetching comments for a particular field. |
363
|
|
|
* |
364
|
|
|
* @param array $args The parameters, passed to get_comments(). |
365
|
|
|
*/ |
366
|
|
|
$filter_name = 'carbon_fields_association_field_options_' . $this->get_base_name() . '_' . $type['type']; |
367
|
|
|
$args = apply_filters( $filter_name, array( |
368
|
|
|
'fields' => 'ids', |
369
|
|
|
) ); |
370
|
|
|
|
371
|
|
|
// fetch and prepare comments as association items |
372
|
|
|
$comments = get_comments( $args ); |
373
|
|
|
foreach ( $comments as &$c ) { |
374
|
|
|
$c = array( |
375
|
|
|
'id' => intval( $c ), |
376
|
|
|
'title' => $this->get_title_by_type( $c, $type['type'] ), |
377
|
|
|
'type' => $type['type'], |
378
|
|
|
'subtype' => 'comment', |
379
|
|
|
'label' => $this->get_item_label( $c, $type['type'] ), |
380
|
|
|
'is_trashed' => false, |
381
|
|
|
'edit_link' => $this->get_object_edit_link( $type, $c ), |
382
|
|
|
); |
383
|
|
|
} |
384
|
|
|
return $comments; |
385
|
|
|
} |
386
|
|
|
|
387
|
|
|
/** |
388
|
|
|
* Generate the item options. |
389
|
|
|
* |
390
|
|
|
* @return array $options The selectable options of the association field. |
391
|
|
|
*/ |
392
|
|
|
public function get_options() { |
393
|
|
|
$options = array(); |
394
|
|
|
|
395
|
|
|
foreach ( $this->types as $type ) { |
396
|
|
|
$method = 'get_' . $type['type'] . '_options'; |
397
|
|
|
$callable = array( $this, $method ); |
398
|
|
|
if ( is_callable( $callable ) ) { |
399
|
|
|
$options = array_merge( $options, call_user_func( $callable, $type ) ); |
400
|
|
|
} |
401
|
|
|
} |
402
|
|
|
|
403
|
|
|
/** |
404
|
|
|
* Filter the final list of options, available to a certain association field. |
405
|
|
|
* |
406
|
|
|
* @param array $options Unfiltered options items. |
407
|
|
|
* @param string $name Name of the association field. |
408
|
|
|
*/ |
409
|
|
|
$options = apply_filters( 'carbon_fields_association_field_options', $options, $this->get_base_name() ); |
410
|
|
|
|
411
|
|
|
return $options; |
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
/** |
415
|
|
|
* Retrieve the edit link of a particular object. |
416
|
|
|
* |
417
|
|
|
* @param string $type Object type. |
418
|
|
|
* @param int $id ID of the object. |
419
|
|
|
* @return string URL of the edit link. |
420
|
|
|
*/ |
421
|
|
|
protected function get_object_edit_link( $type, $id ) { |
422
|
|
|
switch ( $type['type'] ) { |
423
|
|
|
|
424
|
|
|
case 'post': |
425
|
|
|
$edit_link = get_edit_post_link( $id ); |
426
|
|
|
break; |
427
|
|
|
|
428
|
|
|
case 'term': |
429
|
|
|
$edit_link = get_edit_term_link( $id, $type['taxonomy'], $type['type'] ); |
430
|
|
|
break; |
431
|
|
|
|
432
|
|
|
case 'comment': |
433
|
|
|
$edit_link = get_edit_comment_link( $id ); |
434
|
|
|
break; |
435
|
|
|
|
436
|
|
|
case 'user': |
437
|
|
|
$edit_link = get_edit_user_link( $id ); |
438
|
|
|
break; |
439
|
|
|
|
440
|
|
|
default: |
441
|
|
|
$edit_link = false; |
442
|
|
|
|
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
return $edit_link; |
446
|
|
|
} |
447
|
|
|
|
448
|
|
|
/** |
449
|
|
|
* Modify the types. |
450
|
|
|
* @param array $types New types |
451
|
|
|
*/ |
452
|
|
|
public function set_types( $types ) { |
453
|
|
|
$this->types = $types; |
454
|
|
|
return $this; |
455
|
|
|
} |
456
|
|
|
|
457
|
|
|
/** |
458
|
|
|
* Get the minimum allowed number of selected entries. |
459
|
|
|
* |
460
|
|
|
* @return int |
461
|
|
|
*/ |
462
|
|
|
public function get_min() { |
463
|
|
|
return $this->min; |
464
|
|
|
} |
465
|
|
|
|
466
|
|
|
/** |
467
|
|
|
* Set the minimum allowed number of selected entries. |
468
|
|
|
* |
469
|
|
|
* @param int $min |
470
|
|
|
*/ |
471
|
|
|
public function set_min( $min ) { |
472
|
|
|
$this->min = intval( $min ); |
473
|
|
|
return $this; |
474
|
|
|
} |
475
|
|
|
|
476
|
|
|
/** |
477
|
|
|
* Get the maximum allowed number of selected entries. |
478
|
|
|
* |
479
|
|
|
* @return int |
480
|
|
|
*/ |
481
|
|
|
public function get_max() { |
482
|
|
|
return $this->max; |
483
|
|
|
} |
484
|
|
|
|
485
|
|
|
/** |
486
|
|
|
* Set the maximum allowed number of selected entries. |
487
|
|
|
* |
488
|
|
|
* @param int $max |
489
|
|
|
*/ |
490
|
|
|
public function set_max( $max ) { |
491
|
|
|
$this->max = intval( $max ); |
492
|
|
|
return $this; |
493
|
|
|
} |
494
|
|
|
|
495
|
|
|
/** |
496
|
|
|
* Get whether entry duplicates are allowed. |
497
|
|
|
* |
498
|
|
|
* @return boolean |
499
|
|
|
*/ |
500
|
|
|
public function get_duplicates_allowed() { |
501
|
|
|
return $this->duplicates_allowed; |
502
|
|
|
} |
503
|
|
|
|
504
|
|
|
/** |
505
|
|
|
* Set whether entry duplicates are allowed. |
506
|
|
|
* |
507
|
|
|
* @param boolean $allowed |
508
|
|
|
*/ |
509
|
|
|
public function set_duplicates_allowed( $allowed ) { |
510
|
|
|
$this->duplicates_allowed = $allowed; |
511
|
|
|
return $this; |
512
|
|
|
} |
513
|
|
|
|
514
|
|
|
/** |
515
|
|
|
* Specify whether to allow each entry to be selected multiple times. |
516
|
|
|
* Backwards-compatibility alias. |
517
|
|
|
* |
518
|
|
|
* @param boolean $allow |
519
|
|
|
*/ |
520
|
|
|
public function allow_duplicates( $allow = true ) { |
521
|
|
|
return $this->set_duplicates_allowed( $allow ); |
522
|
|
|
} |
523
|
|
|
|
524
|
|
|
/** |
525
|
|
|
* Converts the field values into a usable associative array. |
526
|
|
|
* |
527
|
|
|
* The association data is saved in the database in the following format: |
528
|
|
|
* array ( |
529
|
|
|
* 0 => 'post:page:4', |
530
|
|
|
* 1 => 'term:category:2', |
531
|
|
|
* 2 => 'user:user:1', |
532
|
|
|
* ) |
533
|
|
|
* where the value of each array item contains: |
534
|
|
|
* - Type of data (post, term, user or comment) |
535
|
|
|
* - Subtype of data (the particular post type or taxonomy) |
536
|
|
|
* - ID of the item (the database ID of the item) |
537
|
|
|
*/ |
538
|
|
|
protected function value_to_json() { |
539
|
|
|
$value_set = $this->get_value(); |
540
|
|
|
$value = array(); |
541
|
|
|
foreach ( $value_set as $entry ) { |
|
|
|
|
542
|
|
|
$item = array( |
543
|
|
|
'type' => $entry['type'], |
544
|
|
|
'subtype' => $entry['subtype'], |
545
|
|
|
'id' => intval( $entry['id'] ), |
546
|
|
|
'title' => $this->get_title_by_type( $entry['id'], $entry['type'], $entry['subtype'] ), |
547
|
|
|
'label' => $this->get_item_label( $entry['id'], $entry['type'], $entry['subtype'] ), |
548
|
|
|
'is_trashed' => ( $entry['type'] == 'post' && get_post_status( $entry['id'] ) === 'trash' ), |
549
|
|
|
); |
550
|
|
|
$value[] = $item; |
551
|
|
|
} |
552
|
|
|
return $value; |
553
|
|
|
} |
554
|
|
|
|
555
|
|
|
/** |
556
|
|
|
* Convert the field data into JSON representation. |
557
|
|
|
* @param bool $load Whether to load data from the datastore. |
558
|
|
|
* @return mixed The JSON field data. |
559
|
|
|
*/ |
560
|
|
|
public function to_json( $load ) { |
561
|
|
|
$field_data = parent::to_json( $load ); |
562
|
|
|
|
563
|
|
|
$field_data = array_merge( $field_data, array( |
564
|
|
|
'value' => $this->value_to_json(), |
565
|
|
|
'options' => $this->get_options(), |
566
|
|
|
'min' => $this->get_min(), |
567
|
|
|
'max' => $this->get_max(), |
568
|
|
|
'duplicates_allowed' => $this->duplicates_allowed, |
569
|
|
|
) ); |
570
|
|
|
|
571
|
|
|
return $field_data; |
572
|
|
|
} |
573
|
|
|
} |
574
|
|
|
|
There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.