1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
|
<?php /** * Tax calculation and rate finding class. * * @package WooCommerce\Classes */
use Automattic\WooCommerce\Utilities\NumberUtil;
defined( 'ABSPATH' ) || exit;
/** * Performs tax calculations and loads tax rates * * @class WC_Tax */ class WC_Tax {
/** * Precision. * * @var int */ public static $precision;
/** * Round at subtotal. * * @var bool */ public static $round_at_subtotal = false;
/** * Load options. */ public static function init() { self::$precision = wc_get_rounding_precision(); self::$round_at_subtotal = 'yes' === get_option( 'woocommerce_tax_round_at_subtotal' ); }
/** * When the woocommerce_tax_classes option is changed, remove any orphan rates. * * @deprecated 3.7.0 * @param string $old_value Old rates value. * @param string $value New rates value. */ public static function maybe_remove_tax_class_rates( $old_value, $value ) { wc_deprecated_function( 'WC_Tax::maybe_remove_tax_class_rates', '3.7', 'WC_Tax::delete_tax_class_by' );
$tax_classes = array_filter( array_map( 'trim', explode( "\n", $value ) ) ); $existing_tax_classes = self::get_tax_classes(); $removed = array_diff( $existing_tax_classes, $tax_classes ); foreach ( $removed as $name ) { self::delete_tax_class_by( 'name', $name ); } }
/** * Calculate tax for a line. * * @param float $price Price to calc tax on. * @param array $rates Rates to apply. * @param boolean $price_includes_tax Whether the passed price has taxes included. * @param boolean $deprecated Whether to suppress any rounding from taking place. No longer used here. * @return array Array of rates + prices after tax. */ public static function calc_tax( $price, $rates, $price_includes_tax = false, $deprecated = false ) { if ( $price_includes_tax ) { $taxes = self::calc_inclusive_tax( $price, $rates ); } else { $taxes = self::calc_exclusive_tax( $price, $rates ); } return apply_filters( 'woocommerce_calc_tax', $taxes, $price, $rates, $price_includes_tax, $deprecated ); }
/** * Calculate the shipping tax using a passed array of rates. * * @param float $price Shipping cost. * @param array $rates Taxation Rate. * @return array */ public static function calc_shipping_tax( $price, $rates ) { $taxes = self::calc_exclusive_tax( $price, $rates ); return apply_filters( 'woocommerce_calc_shipping_tax', $taxes, $price, $rates ); }
/** * Round to precision. * * Filter example: to return rounding to .5 cents you'd use: * * function euro_5cent_rounding( $in ) { * return round( $in / 5, 2 ) * 5; * } * add_filter( 'woocommerce_tax_round', 'euro_5cent_rounding' ); * * @param float|int $in Value to round. * @return float */ public static function round( $in ) { return apply_filters( 'woocommerce_tax_round', NumberUtil::round( $in, wc_get_rounding_precision() ), $in ); }
/** * Calc tax from inclusive price. * * @param float $price Price to calculate tax for. * @param array $rates Array of tax rates. * @return array */ public static function calc_inclusive_tax( $price, $rates ) { $taxes = array(); $compound_rates = array(); $regular_rates = array();
// Index array so taxes are output in correct order and see what compound/regular rates we have to calculate. foreach ( $rates as $key => $rate ) { $taxes[ $key ] = 0;
if ( 'yes' === $rate['compound'] ) { $compound_rates[ $key ] = $rate['rate']; } else { $regular_rates[ $key ] = $rate['rate']; } }
$compound_rates = array_reverse( $compound_rates, true ); // Working backwards.
$non_compound_price = $price;
foreach ( $compound_rates as $key => $compound_rate ) { $tax_amount = apply_filters( 'woocommerce_price_inc_tax_amount', $non_compound_price - ( $non_compound_price / ( 1 + ( $compound_rate / 100 ) ) ), $key, $rates[ $key ], $price ); $taxes[ $key ] += $tax_amount; $non_compound_price = $non_compound_price - $tax_amount; }
// Regular taxes. $regular_tax_rate = 1 + ( array_sum( $regular_rates ) / 100 );
foreach ( $regular_rates as $key => $regular_rate ) { $the_rate = ( $regular_rate / 100 ) / $regular_tax_rate; $net_price = $price - ( $the_rate * $non_compound_price ); $tax_amount = apply_filters( 'woocommerce_price_inc_tax_amount', $price - $net_price, $key, $rates[ $key ], $price ); $taxes[ $key ] += $tax_amount; }
/** * Round all taxes to precision (4DP) before passing them back. Note, this is not the same rounding * as in the cart calculation class which, depending on settings, will round to 2DP when calculating * final totals. Also unlike that class, this rounds .5 up for all cases. */ $taxes = array_map( array( __CLASS__, 'round' ), $taxes );
return $taxes; }
/** * Calc tax from exclusive price. * * @param float $price Price to calculate tax for. * @param array $rates Array of tax rates. * @return array */ public static function calc_exclusive_tax( $price, $rates ) { $taxes = array(); $price = (float) $price;
if ( ! empty( $rates ) ) { foreach ( $rates as $key => $rate ) { if ( 'yes' === $rate['compound'] ) { continue; }
$tax_amount = $price * ( floatval( $rate['rate'] ) / 100 ); $tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price ); // ADVANCED: Allow third parties to modify this rate.
if ( ! isset( $taxes[ $key ] ) ) { $taxes[ $key ] = (float) $tax_amount; } else { $taxes[ $key ] += (float) $tax_amount; } }
$pre_compound_total = array_sum( $taxes );
// Compound taxes. foreach ( $rates as $key => $rate ) { if ( 'no' === $rate['compound'] ) { continue; } $the_price_inc_tax = $price + $pre_compound_total; $tax_amount = $the_price_inc_tax * ( floatval( $rate['rate'] ) / 100 ); $tax_amount = apply_filters( 'woocommerce_price_ex_tax_amount', $tax_amount, $key, $rate, $price, $the_price_inc_tax, $pre_compound_total ); // ADVANCED: Allow third parties to modify this rate.
if ( ! isset( $taxes[ $key ] ) ) { $taxes[ $key ] = (float) $tax_amount; } else { $taxes[ $key ] += (float) $tax_amount; }
$pre_compound_total = array_sum( $taxes ); } }
/** * Round all taxes to precision (4DP) before passing them back. Note, this is not the same rounding * as in the cart calculation class which, depending on settings, will round to 2DP when calculating * final totals. Also unlike that class, this rounds .5 up for all cases. */ $taxes = array_map( array( __CLASS__, 'round' ), $taxes );
return $taxes; }
/** * Searches for all matching country/state/postcode tax rates. * * @param array $args Args that determine the rate to find. * @return array */ public static function find_rates( $args = array() ) { $args = wp_parse_args( $args, array( 'country' => '', 'state' => '', 'city' => '', 'postcode' => '', 'tax_class' => '', ) );
$country = $args['country']; $state = $args['state']; $city = $args['city']; $postcode = wc_normalize_postcode( wc_clean( $args['postcode'] ) ); $tax_class = $args['tax_class'];
if ( ! $country ) { return array(); }
$cache_key = WC_Cache_Helper::get_cache_prefix( 'taxes' ) . 'wc_tax_rates_' . md5( sprintf( '%s+%s+%s+%s+%s', $country, $state, $city, $postcode, $tax_class ) ); $matched_tax_rates = wp_cache_get( $cache_key, 'taxes' );
if ( false === $matched_tax_rates ) { $matched_tax_rates = self::get_matched_tax_rates( $country, $state, $postcode, $city, $tax_class ); wp_cache_set( $cache_key, $matched_tax_rates, 'taxes' ); }
return apply_filters( 'woocommerce_find_rates', $matched_tax_rates, $args ); }
/** * Searches for all matching country/state/postcode tax rates. * * @param array $args Args that determine the rate to find. * @return array */ public static function find_shipping_rates( $args = array() ) { $rates = self::find_rates( $args ); $shipping_rates = array();
if ( is_array( $rates ) ) { foreach ( $rates as $key => $rate ) { if ( 'yes' === $rate['shipping'] ) { $shipping_rates[ $key ] = $rate; } } }
return $shipping_rates; }
/** * Does the sort comparison. Compares (in this order): * - Priority * - Country * - State * - Number of postcodes * - Number of cities * - ID * * @param object $rate1 First rate to compare. * @param object $rate2 Second rate to compare. * @return int */ private static function sort_rates_callback( $rate1, $rate2 ) { if ( $rate1->tax_rate_priority !== $rate2->tax_rate_priority ) { return $rate1->tax_rate_priority < $rate2->tax_rate_priority ? -1 : 1; // ASC. }
if ( $rate1->tax_rate_country !== $rate2->tax_rate_country ) { if ( '' === $rate1->tax_rate_country ) { return 1; } if ( '' === $rate2->tax_rate_country ) { return -1; } return strcmp( $rate1->tax_rate_country, $rate2->tax_rate_country ) > 0 ? 1 : -1; }
if ( $rate1->tax_rate_state !== $rate2->tax_rate_state ) { if ( '' === $rate1->tax_rate_state ) { return 1; } if ( '' === $rate2->tax_rate_state ) { return -1; } return strcmp( $rate1->tax_rate_state, $rate2->tax_rate_state ) > 0 ? 1 : -1; }
if ( isset( $rate1->postcode_count, $rate2->postcode_count ) && $rate1->postcode_count !== $rate2->postcode_count ) { return $rate1->postcode_count < $rate2->postcode_count ? 1 : -1; }
if ( isset( $rate1->city_count, $rate2->city_count ) && $rate1->city_count !== $rate2->city_count ) { return $rate1->city_count < $rate2->city_count ? 1 : -1; }
return $rate1->tax_rate_id < $rate2->tax_rate_id ? -1 : 1; }
/** * Logical sort order for tax rates based on the following in order of priority. * * @param array $rates Rates to be sorted. * @return array */ private static function sort_rates( $rates ) { uasort( $rates, __CLASS__ . '::sort_rates_callback' ); $i = 0; foreach ( $rates as $key => $rate ) { $rates[ $key ]->tax_rate_order = $i++; } return $rates; }
/** * Loop through a set of tax rates and get the matching rates (1 per priority). * * @param string $country Country code to match against. * @param string $state State code to match against. * @param string $postcode Postcode to match against. * @param string $city City to match against. * @param string $tax_class Tax class to match against. * @return array */ private static function get_matched_tax_rates( $country, $state, $postcode, $city, $tax_class ) { global $wpdb;
// Query criteria - these will be ANDed. $criteria = array(); $criteria[] = $wpdb->prepare( "tax_rate_country IN ( %s, '' )", strtoupper( $country ) ); $criteria[] = $wpdb->prepare( "tax_rate_state IN ( %s, '' )", strtoupper( $state ) ); $criteria[] = $wpdb->prepare( 'tax_rate_class = %s', sanitize_title( $tax_class ) );
// Pre-query postcode ranges for PHP based matching. $postcode_search = wc_get_wildcard_postcodes( $postcode, $country ); $postcode_ranges = $wpdb->get_results( "SELECT tax_rate_id, location_code FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE location_type = 'postcode' AND location_code LIKE '%...%';" );
if ( $postcode_ranges ) { $matches = wc_postcode_location_matcher( $postcode, $postcode_ranges, 'tax_rate_id', 'location_code', $country ); if ( ! empty( $matches ) ) { foreach ( $matches as $matched_postcodes ) { $postcode_search = array_merge( $postcode_search, $matched_postcodes ); } } }
$postcode_search = array_unique( $postcode_search );
/** * Location matching criteria - ORed * Needs to match: * - rates with no postcodes and cities * - rates with a matching postcode and city * - rates with matching postcode, no city * - rates with matching city, no postcode */ $locations_criteria = array(); $locations_criteria[] = 'locations.location_type IS NULL'; $locations_criteria[] = " locations.location_type = 'postcode' AND locations.location_code IN ('" . implode( "','", array_map( 'esc_sql', $postcode_search ) ) . "') AND ( ( locations2.location_type = 'city' AND locations2.location_code = '" . esc_sql( strtoupper( $city ) ) . "' ) OR NOT EXISTS ( SELECT sub.tax_rate_id FROM {$wpdb->prefix}woocommerce_tax_rate_locations as sub WHERE sub.location_type = 'city' AND sub.tax_rate_id = tax_rates.tax_rate_id ) ) "; $locations_criteria[] = " locations.location_type = 'city' AND locations.location_code = '" . esc_sql( strtoupper( $city ) ) . "' AND NOT EXISTS ( SELECT sub.tax_rate_id FROM {$wpdb->prefix}woocommerce_tax_rate_locations as sub WHERE sub.location_type = 'postcode' AND sub.tax_rate_id = tax_rates.tax_rate_id ) ";
$criteria[] = '( ( ' . implode( ' ) OR ( ', $locations_criteria ) . ' ) )';
$criteria_string = implode( ' AND ', $criteria );
// phpcs:disable WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQL.InterpolatedNotPrepared $found_rates = $wpdb->get_results( " SELECT tax_rates.*, COUNT( locations.location_id ) as postcode_count, COUNT( locations2.location_id ) as city_count FROM {$wpdb->prefix}woocommerce_tax_rates as tax_rates LEFT OUTER JOIN {$wpdb->prefix}woocommerce_tax_rate_locations as locations ON tax_rates.tax_rate_id = locations.tax_rate_id LEFT OUTER JOIN {$wpdb->prefix}woocommerce_tax_rate_locations as locations2 ON tax_rates.tax_rate_id = locations2.tax_rate_id WHERE 1=1 AND {$criteria_string} GROUP BY tax_rates.tax_rate_id ORDER BY tax_rates.tax_rate_priority " ); // phpcs:enable
$found_rates = self::sort_rates( $found_rates ); $matched_tax_rates = array(); $found_priority = array();
foreach ( $found_rates as $found_rate ) { if ( in_array( $found_rate->tax_rate_priority, $found_priority, true ) ) { continue; }
$matched_tax_rates[ $found_rate->tax_rate_id ] = array( 'rate' => (float) $found_rate->tax_rate, 'label' => $found_rate->tax_rate_name, 'shipping' => $found_rate->tax_rate_shipping ? 'yes' : 'no', 'compound' => $found_rate->tax_rate_compound ? 'yes' : 'no', );
$found_priority[] = $found_rate->tax_rate_priority; }
return apply_filters( 'woocommerce_matched_tax_rates', $matched_tax_rates, $country, $state, $postcode, $city, $tax_class ); }
/** * Get the customer tax location based on their status and the current page. * * Used by get_rates(), get_shipping_rates(). * * @param string $tax_class string Optional, passed to the filter for advanced tax setups. * @param object $customer Override the customer object to get their location. * @return array */ public static function get_tax_location( $tax_class = '', $customer = null ) { $location = array();
if ( is_null( $customer ) && WC()->customer ) { $customer = WC()->customer; }
if ( ! empty( $customer ) ) { $location = $customer->get_taxable_address(); } elseif ( wc_prices_include_tax() || 'base' === get_option( 'woocommerce_default_customer_address' ) || 'base' === get_option( 'woocommerce_tax_based_on' ) ) { $location = array( WC()->countries->get_base_country(), WC()->countries->get_base_state(), WC()->countries->get_base_postcode(), WC()->countries->get_base_city(), ); }
return apply_filters( 'woocommerce_get_tax_location', $location, $tax_class, $customer ); }
/** * Get's an array of matching rates for a tax class. * * @param string $tax_class Tax class to get rates for. * @param object $customer Override the customer object to get their location. * @return array */ public static function get_rates( $tax_class = '', $customer = null ) { $tax_class = sanitize_title( $tax_class ); $location = self::get_tax_location( $tax_class, $customer ); return self::get_rates_from_location( $tax_class, $location, $customer ); }
/** * Get's an array of matching rates from location and tax class. $customer parameter is used to preserve backward compatibility for filter. * * @param string $tax_class Tax class to get rates for. * @param array $location Location to compute rates for. Should be in form: array( country, state, postcode, city). * @param object $customer Only used to maintain backward compatibility for filter `woocommerce-matched_rates`. * * @return mixed|void Tax rates. */ public static function get_rates_from_location( $tax_class, $location, $customer = null ) { $tax_class = sanitize_title( $tax_class ); $matched_tax_rates = array();
if ( count( $location ) === 4 ) { list( $country, $state, $postcode, $city ) = $location;
$matched_tax_rates = self::find_rates( array( 'country' => $country, 'state' => $state, 'postcode' => $postcode, 'city' => $city, 'tax_class' => $tax_class, ) ); }
return apply_filters( 'woocommerce_matched_rates', $matched_tax_rates, $tax_class, $customer ); }
/** * Get's an array of matching rates for the shop's base country. * * @param string $tax_class Tax Class. * @return array */ public static function get_base_tax_rates( $tax_class = '' ) { return apply_filters( 'woocommerce_base_tax_rates', self::find_rates( array( 'country' => WC()->countries->get_base_country(), 'state' => WC()->countries->get_base_state(), 'postcode' => WC()->countries->get_base_postcode(), 'city' => WC()->countries->get_base_city(), 'tax_class' => $tax_class, ) ), $tax_class ); }
/** * Alias for get_base_tax_rates(). * * @deprecated 2.3 * @param string $tax_class Tax Class. * @return array */ public static function get_shop_base_rate( $tax_class = '' ) { return self::get_base_tax_rates( $tax_class ); }
/** * Gets an array of matching shipping tax rates for a given class. * * @param string $tax_class Tax class to get rates for. * @param object $customer Override the customer object to get their location. * @return mixed */ public static function get_shipping_tax_rates( $tax_class = null, $customer = null ) { // See if we have an explicitly set shipping tax class. $shipping_tax_class = get_option( 'woocommerce_shipping_tax_class' );
if ( 'inherit' !== $shipping_tax_class ) { $tax_class = $shipping_tax_class; }
$location = self::get_tax_location( $tax_class, $customer ); $matched_tax_rates = array();
if ( 4 === count( $location ) ) { list( $country, $state, $postcode, $city ) = $location;
if ( ! is_null( $tax_class ) ) { // This will be per item shipping. $matched_tax_rates = self::find_shipping_rates( array( 'country' => $country, 'state' => $state, 'postcode' => $postcode, 'city' => $city, 'tax_class' => $tax_class, ) );
} elseif ( WC()->cart->get_cart() ) {
// This will be per order shipping - loop through the order and find the highest tax class rate. $cart_tax_classes = WC()->cart->get_cart_item_tax_classes_for_shipping();
// No tax classes = no taxable items. if ( empty( $cart_tax_classes ) ) { return array(); }
// If multiple classes are found, use the first one found unless a standard rate item is found. This will be the first listed in the 'additional tax class' section. if ( count( $cart_tax_classes ) > 1 && ! in_array( '', $cart_tax_classes, true ) ) { $tax_classes = self::get_tax_class_slugs();
foreach ( $tax_classes as $tax_class ) { if ( in_array( $tax_class, $cart_tax_classes, true ) ) { $matched_tax_rates = self::find_shipping_rates( array( 'country' => $country, 'state' => $state, 'postcode' => $postcode, 'city' => $city, 'tax_class' => $tax_class, ) ); break; } } } elseif ( 1 === count( $cart_tax_classes ) ) { // If a single tax class is found, use it. $matched_tax_rates = self::find_shipping_rates( array( 'country' => $country, 'state' => $state, 'postcode' => $postcode, 'city' => $city, 'tax_class' => $cart_tax_classes[0], ) ); } }
// Get standard rate if no taxes were found. if ( ! count( $matched_tax_rates ) ) { $matched_tax_rates = self::find_shipping_rates( array( 'country' => $country, 'state' => $state, 'postcode' => $postcode, 'city' => $city, ) ); } }
return $matched_tax_rates; }
/** * Return true/false depending on if a rate is a compound rate. * * @param mixed $key_or_rate Tax rate ID, or the db row itself in object format. * @return bool */ public static function is_compound( $key_or_rate ) { global $wpdb;
if ( is_object( $key_or_rate ) ) { $key = $key_or_rate->tax_rate_id; $compound = $key_or_rate->tax_rate_compound; } else { $key = $key_or_rate; $compound = (bool) $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate_compound FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) ); }
return (bool) apply_filters( 'woocommerce_rate_compound', $compound, $key ); }
/** * Return a given rates label. * * @param mixed $key_or_rate Tax rate ID, or the db row itself in object format. * @return string */ public static function get_rate_label( $key_or_rate ) { global $wpdb;
if ( is_object( $key_or_rate ) ) { $key = $key_or_rate->tax_rate_id; $rate_name = $key_or_rate->tax_rate_name; } else { $key = $key_or_rate; $rate_name = $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate_name FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) ); }
if ( ! $rate_name ) { $rate_name = WC()->countries->tax_or_vat(); }
return apply_filters( 'woocommerce_rate_label', $rate_name, $key ); }
/** * Return a given rates percent. * * @param mixed $key_or_rate Tax rate ID, or the db row itself in object format. * @return string */ public static function get_rate_percent( $key_or_rate ) { $rate_percent_value = self::get_rate_percent_value( $key_or_rate ); $tax_rate_id = is_object( $key_or_rate ) ? $key_or_rate->tax_rate_id : $key_or_rate; return apply_filters( 'woocommerce_rate_percent', $rate_percent_value . '%', $tax_rate_id ); }
/** * Return a given rates percent. * * @param mixed $key_or_rate Tax rate ID, or the db row itself in object format. * @return float */ public static function get_rate_percent_value( $key_or_rate ) { global $wpdb;
if ( is_object( $key_or_rate ) ) { $tax_rate = $key_or_rate->tax_rate; } else { $key = $key_or_rate; $tax_rate = $wpdb->get_var( $wpdb->prepare( "SELECT tax_rate FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) ); }
return floatval( $tax_rate ); }
/** * Get a rates code. Code is made up of COUNTRY-STATE-NAME-Priority. E.g GB-VAT-1, US-AL-TAX-1. * * @param mixed $key_or_rate Tax rate ID, or the db row itself in object format. * @return string */ public static function get_rate_code( $key_or_rate ) { global $wpdb;
if ( is_object( $key_or_rate ) ) { $key = $key_or_rate->tax_rate_id; $rate = $key_or_rate; } else { $key = $key_or_rate; $rate = $wpdb->get_row( $wpdb->prepare( "SELECT tax_rate_country, tax_rate_state, tax_rate_name, tax_rate_priority FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %s", $key ) ); }
$code_string = '';
if ( null !== $rate ) { $code = array(); $code[] = $rate->tax_rate_country; $code[] = $rate->tax_rate_state; $code[] = $rate->tax_rate_name ? $rate->tax_rate_name : 'TAX'; $code[] = absint( $rate->tax_rate_priority ); $code_string = strtoupper( implode( '-', array_filter( $code ) ) ); }
return apply_filters( 'woocommerce_rate_code', $code_string, $key ); }
/** * Sums a set of taxes to form a single total. Values are pre-rounded to precision from 3.6.0. * * @param array $taxes Array of taxes. * @return float */ public static function get_tax_total( $taxes ) { return array_sum( $taxes ); }
/** * Gets all tax rate classes from the database. * * @since 3.7.0 * @return array Array of tax class objects consisting of tax_rate_class_id, name, and slug. */ public static function get_tax_rate_classes() { global $wpdb;
$cache_key = 'tax-rate-classes'; $tax_rate_classes = wp_cache_get( $cache_key, 'taxes' );
if ( ! is_array( $tax_rate_classes ) ) { $tax_rate_classes = $wpdb->get_results( " SELECT * FROM {$wpdb->wc_tax_rate_classes} ORDER BY name; " ); wp_cache_set( $cache_key, $tax_rate_classes, 'taxes' ); }
return $tax_rate_classes; }
/** * Get store tax class names. * * @return array Array of class names ("Reduced rate", "Zero rate", etc). */ public static function get_tax_classes() { return wp_list_pluck( self::get_tax_rate_classes(), 'name' ); }
/** * Get store tax classes as slugs. * * @since 3.0.0 * @return array Array of class slugs ("reduced-rate", "zero-rate", etc). */ public static function get_tax_class_slugs() { return wp_list_pluck( self::get_tax_rate_classes(), 'slug' ); }
/** * Create a new tax class. * * @since 3.7.0 * @param string $name Name of the tax class to add. * @param string $slug (optional) Slug of the tax class to add. Defaults to sanitized name. * @return WP_Error|array Returns name and slug (array) if the tax class is created, or WP_Error if something went wrong. */ public static function create_tax_class( $name, $slug = '' ) { global $wpdb;
if ( empty( $name ) ) { return new WP_Error( 'tax_class_invalid_name', __( 'Tax class requires a valid name', 'woocommerce' ) ); }
$existing = self::get_tax_classes(); $existing_slugs = self::get_tax_class_slugs(); $name = wc_clean( $name );
if ( in_array( $name, $existing, true ) ) { return new WP_Error( 'tax_class_exists', __( 'Tax class already exists', 'woocommerce' ) ); }
if ( ! $slug ) { $slug = sanitize_title( $name ); }
// Stop if there's no slug. if ( ! $slug ) { return new WP_Error( 'tax_class_slug_invalid', __( 'Tax class slug is invalid', 'woocommerce' ) ); }
if ( in_array( $slug, $existing_slugs, true ) ) { return new WP_Error( 'tax_class_slug_exists', __( 'Tax class slug already exists', 'woocommerce' ) ); }
$insert = $wpdb->insert( $wpdb->wc_tax_rate_classes, array( 'name' => $name, 'slug' => $slug, ) );
if ( is_wp_error( $insert ) ) { return new WP_Error( 'tax_class_insert_error', $insert->get_error_message() ); }
wp_cache_delete( 'tax-rate-classes', 'taxes' );
return array( 'name' => $name, 'slug' => $slug, ); }
/** * Get an existing tax class. * * @since 3.7.0 * @param string $field Field to get by. Valid values are id, name, or slug. * @param string|int $item Item to get. * @return array|bool Returns the tax class as an array. False if not found. */ public static function get_tax_class_by( $field, $item ) { if ( ! in_array( $field, array( 'id', 'name', 'slug' ), true ) ) { return new WP_Error( 'invalid_field', __( 'Invalid field', 'woocommerce' ) ); }
if ( 'id' === $field ) { $field = 'tax_rate_class_id'; }
$matches = wp_list_filter( self::get_tax_rate_classes(), array( $field => $item, ) );
if ( ! $matches ) { return false; }
$tax_class = current( $matches );
return array( 'name' => $tax_class->name, 'slug' => $tax_class->slug, ); }
/** * Delete an existing tax class. * * @since 3.7.0 * @param string $field Field to delete by. Valid values are id, name, or slug. * @param string|int $item Item to delete. * @return WP_Error|bool Returns true if deleted successfully, false if nothing was deleted, or WP_Error if there is an invalid request. */ public static function delete_tax_class_by( $field, $item ) { global $wpdb;
if ( ! in_array( $field, array( 'id', 'name', 'slug' ), true ) ) { return new WP_Error( 'invalid_field', __( 'Invalid field', 'woocommerce' ) ); }
$tax_class = self::get_tax_class_by( $field, $item );
if ( ! $tax_class ) { return new WP_Error( 'invalid_tax_class', __( 'Invalid tax class', 'woocommerce' ) ); }
if ( 'id' === $field ) { $field = 'tax_rate_class_id'; }
$delete = $wpdb->delete( $wpdb->wc_tax_rate_classes, array( $field => $item, ) );
if ( $delete ) { // Delete associated tax rates. $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_class = %s;", $tax_class['slug'] ) ); $wpdb->query( "DELETE locations FROM {$wpdb->prefix}woocommerce_tax_rate_locations locations LEFT JOIN {$wpdb->prefix}woocommerce_tax_rates rates ON rates.tax_rate_id = locations.tax_rate_id WHERE rates.tax_rate_id IS NULL;" ); }
wp_cache_delete( 'tax-rate-classes', 'taxes' ); WC_Cache_Helper::invalidate_cache_group( 'taxes' );
return (bool) $delete; }
/** * Format the city. * * @param string $city Value to format. * @return string */ private static function format_tax_rate_city( $city ) { return strtoupper( trim( $city ) ); }
/** * Format the state. * * @param string $state Value to format. * @return string */ private static function format_tax_rate_state( $state ) { $state = strtoupper( $state ); return ( '*' === $state ) ? '' : $state; }
/** * Format the country. * * @param string $country Value to format. * @return string */ private static function format_tax_rate_country( $country ) { $country = strtoupper( $country ); return ( '*' === $country ) ? '' : $country; }
/** * Format the tax rate name. * * @param string $name Value to format. * @return string */ private static function format_tax_rate_name( $name ) { return $name ? $name : __( 'Tax', 'woocommerce' ); }
/** * Format the rate. * * @param float $rate Value to format. * @return string */ private static function format_tax_rate( $rate ) { return number_format( (float) $rate, 4, '.', '' ); }
/** * Format the priority. * * @param string $priority Value to format. * @return int */ private static function format_tax_rate_priority( $priority ) { return absint( $priority ); }
/** * Format the class. * * @param string $class Value to format. * @return string */ public static function format_tax_rate_class( $class ) { $class = sanitize_title( $class ); $classes = self::get_tax_class_slugs(); if ( ! in_array( $class, $classes, true ) ) { $class = ''; } return ( 'standard' === $class ) ? '' : $class; }
/** * Prepare and format tax rate for DB insertion. * * @param array $tax_rate Tax rate to format. * @return array */ private static function prepare_tax_rate( $tax_rate ) { foreach ( $tax_rate as $key => $value ) { if ( method_exists( __CLASS__, 'format_' . $key ) ) { if ( 'tax_rate_state' === $key ) { $tax_rate[ $key ] = call_user_func( array( __CLASS__, 'format_' . $key ), sanitize_key( $value ) ); } else { $tax_rate[ $key ] = call_user_func( array( __CLASS__, 'format_' . $key ), $value ); } } } return $tax_rate; }
/** * Insert a new tax rate. * * Internal use only. * * @since 2.3.0 * * @param array $tax_rate Tax rate to insert. * @return int tax rate id */ public static function _insert_tax_rate( $tax_rate ) { global $wpdb;
$wpdb->insert( $wpdb->prefix . 'woocommerce_tax_rates', self::prepare_tax_rate( $tax_rate ) );
$tax_rate_id = $wpdb->insert_id;
WC_Cache_Helper::invalidate_cache_group( 'taxes' );
do_action( 'woocommerce_tax_rate_added', $tax_rate_id, $tax_rate );
return $tax_rate_id; }
/** * Get tax rate. * * Internal use only. * * @since 2.5.0 * * @param int $tax_rate_id Tax rate ID. * @param string $output_type Type of output. * @return array|object */ public static function _get_tax_rate( $tax_rate_id, $output_type = ARRAY_A ) { global $wpdb;
return $wpdb->get_row( $wpdb->prepare( " SELECT * FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %d ", $tax_rate_id ), $output_type ); }
/** * Update a tax rate. * * Internal use only. * * @since 2.3.0 * * @param int $tax_rate_id Tax rate to update. * @param array $tax_rate Tax rate values. */ public static function _update_tax_rate( $tax_rate_id, $tax_rate ) { global $wpdb;
$tax_rate_id = absint( $tax_rate_id );
$wpdb->update( $wpdb->prefix . 'woocommerce_tax_rates', self::prepare_tax_rate( $tax_rate ), array( 'tax_rate_id' => $tax_rate_id, ) );
WC_Cache_Helper::invalidate_cache_group( 'taxes' );
do_action( 'woocommerce_tax_rate_updated', $tax_rate_id, $tax_rate ); }
/** * Delete a tax rate from the database. * * Internal use only. * * @since 2.3.0 * @param int $tax_rate_id Tax rate to delete. */ public static function _delete_tax_rate( $tax_rate_id ) { global $wpdb;
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d;", $tax_rate_id ) ); $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rates WHERE tax_rate_id = %d;", $tax_rate_id ) );
WC_Cache_Helper::invalidate_cache_group( 'taxes' );
do_action( 'woocommerce_tax_rate_deleted', $tax_rate_id ); }
/** * Update postcodes for a tax rate in the DB. * * Internal use only. * * @since 2.3.0 * * @param int $tax_rate_id Tax rate to update. * @param string $postcodes String of postcodes separated by ; characters. */ public static function _update_tax_rate_postcodes( $tax_rate_id, $postcodes ) { if ( ! is_array( $postcodes ) ) { $postcodes = explode( ';', $postcodes ); } // No normalization - postcodes are matched against both normal and formatted versions to support wildcards. foreach ( $postcodes as $key => $postcode ) { $postcodes[ $key ] = strtoupper( trim( str_replace( chr( 226 ) . chr( 128 ) . chr( 166 ), '...', $postcode ) ) ); } self::update_tax_rate_locations( $tax_rate_id, array_diff( array_filter( $postcodes ), array( '*' ) ), 'postcode' ); }
/** * Update cities for a tax rate in the DB. * * Internal use only. * * @since 2.3.0 * * @param int $tax_rate_id Tax rate to update. * @param string $cities Cities to set. */ public static function _update_tax_rate_cities( $tax_rate_id, $cities ) { if ( ! is_array( $cities ) ) { $cities = explode( ';', $cities ); } $cities = array_filter( array_diff( array_map( array( __CLASS__, 'format_tax_rate_city' ), $cities ), array( '*' ) ) );
self::update_tax_rate_locations( $tax_rate_id, $cities, 'city' ); }
/** * Updates locations (postcode and city). * * Internal use only. * * @since 2.3.0 * * @param int $tax_rate_id Tax rate ID to update. * @param array $values Values to set. * @param string $type Location type. */ private static function update_tax_rate_locations( $tax_rate_id, $values, $type ) { global $wpdb;
$tax_rate_id = absint( $tax_rate_id );
$wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->prefix}woocommerce_tax_rate_locations WHERE tax_rate_id = %d AND location_type = %s;", $tax_rate_id, $type ) );
if ( count( $values ) > 0 ) { $sql = "( '" . implode( "', $tax_rate_id, '" . esc_sql( $type ) . "' ),( '", array_map( 'esc_sql', $values ) ) . "', $tax_rate_id, '" . esc_sql( $type ) . "' )";
$wpdb->query( "INSERT INTO {$wpdb->prefix}woocommerce_tax_rate_locations ( location_code, tax_rate_id, location_type ) VALUES $sql;" ); // @codingStandardsIgnoreLine. }
WC_Cache_Helper::invalidate_cache_group( 'taxes' ); }
/** * Used by admin settings page. * * @param string $tax_class Tax class slug. * * @return array|null|object */ public static function get_rates_for_tax_class( $tax_class ) { global $wpdb;
$tax_class = self::format_tax_rate_class( $tax_class );
// Get all the rates and locations. Snagging all at once should significantly cut down on the number of queries. $rates = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM `{$wpdb->prefix}woocommerce_tax_rates` WHERE `tax_rate_class` = %s;", $tax_class ) ); $locations = $wpdb->get_results( "SELECT * FROM `{$wpdb->prefix}woocommerce_tax_rate_locations`" );
if ( ! empty( $rates ) ) { // Set the rates keys equal to their ids. $rates = array_combine( wp_list_pluck( $rates, 'tax_rate_id' ), $rates ); }
// Drop the locations into the rates array. foreach ( $locations as $location ) { // Don't set them for nonexistent rates. if ( ! isset( $rates[ $location->tax_rate_id ] ) ) { continue; } // If the rate exists, initialize the array before appending to it. if ( ! isset( $rates[ $location->tax_rate_id ]->{$location->location_type} ) ) { $rates[ $location->tax_rate_id ]->{$location->location_type} = array(); } $rates[ $location->tax_rate_id ]->{$location->location_type}[] = $location->location_code; }
foreach ( $rates as $rate_id => $rate ) { $rates[ $rate_id ]->postcode_count = isset( $rates[ $rate_id ]->postcode ) ? count( $rates[ $rate_id ]->postcode ) : 0; $rates[ $rate_id ]->city_count = isset( $rates[ $rate_id ]->city ) ? count( $rates[ $rate_id ]->city ) : 0; }
$rates = self::sort_rates( $rates );
return $rates; } } WC_Tax::init();
|