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 248           PHP API
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 397
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 424       <a href="../../php/api/comments/" class="md-nav__link">
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 437     <li class="md-nav__item">
 438       <a href="../../php/api/cronjobs/" class="md-nav__link">
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 442
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 452       <a href="../../php/api/events/" class="md-nav__link">
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 476           Form Builder
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 479
 480       <nav class="md-nav" aria-label="Form Builder" data-md-level="3">
 481         <label class="md-nav__title" for="__nav_2_5_5">
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 486
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 492     <li class="md-nav__item">
 493       <a href="../../php/api/form_builder/overview/" class="md-nav__link">
 494         Overview
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 496     </li>
 497
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 499
 500
 501
 502
 503
 504
 505
 506     <li class="md-nav__item">
 507       <a href="../../php/api/form_builder/structure/" class="md-nav__link">
 508         Structure
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 511
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 516
 517
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 520     <li class="md-nav__item">
 521       <a href="../../php/api/form_builder/form_fields/" class="md-nav__link">
 522         Fields
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 524     </li>
 525
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 528
 529
 530
 531
 532
 533
 534     <li class="md-nav__item">
 535       <a href="../../php/api/form_builder/validation_data/" class="md-nav__link">
 536         Validation and Data
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 538     </li>
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548     <li class="md-nav__item">
 549       <a href="../../php/api/form_builder/dependencies/" class="md-nav__link">
 550         Dependencies
 551       </a>
 552     </li>
 553
 554
 555
 556
 557         </ul>
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 559     </li>
 560
 561
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 563
 564
 565
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 569     <li class="md-nav__item">
 570       <a href="../../php/api/package_installation_plugins/" class="md-nav__link">
 571         Package Installation Plugins
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 573     </li>
 574
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 580
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 583     <li class="md-nav__item">
 584       <a href="../../php/api/user_activity_points/" class="md-nav__link">
 585         User Activity Points
 586       </a>
 587     </li>
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 590
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 592
 593
 594
 595
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 597     <li class="md-nav__item">
 598       <a href="../../php/api/user_notifications/" class="md-nav__link">
 599         User Notifications
 600       </a>
 601     </li>
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611     <li class="md-nav__item">
 612       <a href="../../php/api/sitemaps/" class="md-nav__link">
 613         Sitemaps
 614       </a>
 615     </li>
 616
 617
 618
 619
 620         </ul>
 621       </nav>
 622     </li>
 623
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 625
 626
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 628
 629
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 632     <li class="md-nav__item">
 633       <a href="../../php/code-style/" class="md-nav__link">
 634         Code Style
 635       </a>
 636     </li>
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646     <li class="md-nav__item">
 647       <a href="../../php/apps/" class="md-nav__link">
 648         Apps
 649       </a>
 650     </li>
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660     <li class="md-nav__item">
 661       <a href="../../php/gdpr/" class="md-nav__link">
 662         GDPR
 663       </a>
 664     </li>
 665
 666
 667
 668
 669         </ul>
 670       </nav>
 671     </li>
 672
 673
 674
 675
 676
 677
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 679
 680
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 689
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 692         <label class="md-nav__link" for="__nav_3" tabindex="0" aria-expanded="false">
 693           Languages, Templates & CSS
 694           <span class="md-nav__icon md-icon"></span>
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 696
 697       <nav class="md-nav" aria-label="Languages, Templates & CSS" data-md-level="1">
 698         <label class="md-nav__title" for="__nav_3">
 699           <span class="md-nav__icon md-icon"></span>
 700           Languages, Templates & CSS
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 702         <ul class="md-nav__list" data-md-scrollfix>
 703
 704
 705
 706
 707
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 709     <li class="md-nav__item">
 710       <a href="../../view/languages/" class="md-nav__link">
 711         Languages
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 713     </li>
 714
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 717
 718
 719
 720
 721
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 723     <li class="md-nav__item">
 724       <a href="../../view/templates/" class="md-nav__link">
 725         Templates
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 727     </li>
 728
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 731
 732
 733
 734
 735
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 737     <li class="md-nav__item">
 738       <a href="../../view/template-plugins/" class="md-nav__link">
 739         Template Plugins
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 746
 747
 748
 749
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 751     <li class="md-nav__item">
 752       <a href="../../view/css/" class="md-nav__link">
 753         CSS
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 755     </li>
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 763
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 780
 781
 782
 783         <label class="md-nav__link" for="__nav_4" tabindex="0" aria-expanded="false">
 784           TypeScript and JavaScript API
 785           <span class="md-nav__icon md-icon"></span>
 786         </label>
 787
 788       <nav class="md-nav" aria-label="TypeScript and JavaScript API" data-md-level="1">
 789         <label class="md-nav__title" for="__nav_4">
 790           <span class="md-nav__icon md-icon"></span>
 791           TypeScript and JavaScript API
 792         </label>
 793         <ul class="md-nav__list" data-md-scrollfix>
 794
 795
 796
 797
 798
 799
 800     <li class="md-nav__item">
 801       <a href="../../javascript/general-usage/" class="md-nav__link">
 802         General Usage
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 804     </li>
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 811
 812
 813
 814     <li class="md-nav__item">
 815       <a href="../../javascript/typescript/" class="md-nav__link">
 816         TypeScript
 817       </a>
 818     </li>
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829     <li class="md-nav__item md-nav__item--nested">
 830
 831
 832
 833
 834       <input class="md-nav__toggle md-toggle " data-md-toggle="__nav_4_3" type="checkbox" id="__nav_4_3" >
 835
 836
 837
 838         <label class="md-nav__link" for="__nav_4_3" tabindex="0" aria-expanded="false">
 839           Components
 840           <span class="md-nav__icon md-icon"></span>
 841         </label>
 842
 843       <nav class="md-nav" aria-label="Components" data-md-level="2">
 844         <label class="md-nav__title" for="__nav_4_3">
 845           <span class="md-nav__icon md-icon"></span>
 846           Components
 847         </label>
 848         <ul class="md-nav__list" data-md-scrollfix>
 849
 850
 851
 852
 853
 854
 855     <li class="md-nav__item">
 856       <a href="../../javascript/components_confirmation/" class="md-nav__link">
 857         Confirmation
 858       </a>
 859     </li>
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869     <li class="md-nav__item">
 870       <a href="../../javascript/components_dialog/" class="md-nav__link">
 871         Dialog
 872       </a>
 873     </li>
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883     <li class="md-nav__item">
 884       <a href="../../javascript/components_pagination/" class="md-nav__link">
 885         Pagination
 886       </a>
 887     </li>
 888
 889
 890
 891
 892         </ul>
 893       </nav>
 894     </li>
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905     <li class="md-nav__item md-nav__item--nested">
 906
 907
 908
 909
 910       <input class="md-nav__toggle md-toggle " data-md-toggle="__nav_4_4" type="checkbox" id="__nav_4_4" >
 911
 912
 913
 914         <label class="md-nav__link" for="__nav_4_4" tabindex="0" aria-expanded="false">
 915           New API
 916           <span class="md-nav__icon md-icon"></span>
 917         </label>
 918
 919       <nav class="md-nav" aria-label="New API" data-md-level="2">
 920         <label class="md-nav__title" for="__nav_4_4">
 921           <span class="md-nav__icon md-icon"></span>
 922           New API
 923         </label>
 924         <ul class="md-nav__list" data-md-scrollfix>
 925
 926
 927
 928
 929
 930
 931     <li class="md-nav__item">
 932       <a href="../../javascript/new-api_writing-a-module/" class="md-nav__link">
 933         Writing a module
 934       </a>
 935     </li>
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945     <li class="md-nav__item">
 946       <a href="../../javascript/new-api_core/" class="md-nav__link">
 947         Core Functions
 948       </a>
 949     </li>
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959     <li class="md-nav__item">
 960       <a href="../../javascript/new-api_dom/" class="md-nav__link">
 961         DOM
 962       </a>
 963     </li>
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973     <li class="md-nav__item">
 974       <a href="../../javascript/new-api_events/" class="md-nav__link">
 975         Event Handling
 976       </a>
 977     </li>
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987     <li class="md-nav__item">
 988       <a href="../../javascript/new-api_ajax/" class="md-nav__link">
 989         Ajax
 990       </a>
 991     </li>
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001     <li class="md-nav__item">
1002       <a href="../../javascript/new-api_dialogs/" class="md-nav__link">
1003         Dialogs
1004       </a>
1005     </li>
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015     <li class="md-nav__item">
1016       <a href="../../javascript/new-api_browser/" class="md-nav__link">
1017         Browser and Screen Sizes
1018       </a>
1019     </li>
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029     <li class="md-nav__item">
1030       <a href="../../javascript/new-api_ui/" class="md-nav__link">
1031         User Interface
1032       </a>
1033     </li>
1034
1035
1036
1037
1038         </ul>
1039       </nav>
1040     </li>
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050     <li class="md-nav__item">
1051       <a href="../../javascript/legacy-api/" class="md-nav__link">
1052         Legacy API
1053       </a>
1054     </li>
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064     <li class="md-nav__item">
1065       <a href="../../javascript/code-snippets/" class="md-nav__link">
1066         Code Snippets
1067       </a>
1068     </li>
1069
1070
1071
1072
1073         </ul>
1074       </nav>
1075     </li>
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089     <li class="md-nav__item md-nav__item--active md-nav__item--nested">
1090
1091
1092
1093
1094       <input class="md-nav__toggle md-toggle " data-md-toggle="__nav_5" type="checkbox" id="__nav_5" checked>
1095
1096
1097
1098         <label class="md-nav__link" for="__nav_5" tabindex="0" aria-expanded="true">
1099           Package Components
1100           <span class="md-nav__icon md-icon"></span>
1101         </label>
1102
1103       <nav class="md-nav" aria-label="Package Components" data-md-level="1">
1104         <label class="md-nav__title" for="__nav_5">
1105           <span class="md-nav__icon md-icon"></span>
1106           Package Components
1107         </label>
1108         <ul class="md-nav__list" data-md-scrollfix>
1109
1110
1111
1112
1113
1114
1115     <li class="md-nav__item">
1116       <a href="../package-xml/" class="md-nav__link">
1117         package.xml
1118       </a>
1119     </li>
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130     <li class="md-nav__item md-nav__item--nested">
1131
1132
1133
1134
1135       <input class="md-nav__toggle md-toggle " data-md-toggle="__nav_5_2" type="checkbox" id="__nav_5_2" >
1136
1137
1138
1139         <label class="md-nav__link" for="__nav_5_2" tabindex="0" aria-expanded="false">
1140           PIPs
1141           <span class="md-nav__icon md-icon"></span>
1142         </label>
1143
1144       <nav class="md-nav" aria-label="PIPs" data-md-level="2">
1145         <label class="md-nav__title" for="__nav_5_2">
1146           <span class="md-nav__icon md-icon"></span>
1147           PIPs
1148         </label>
1149         <ul class="md-nav__list" data-md-scrollfix>
1150
1151
1152
1153
1154
1155
1156     <li class="md-nav__item">
1157       <a href="../pip/" class="md-nav__link">
1158         Overview
1159       </a>
1160     </li>
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170     <li class="md-nav__item">
1171       <a href="../pip/acl-option/" class="md-nav__link">
1172         aclOption
1173       </a>
1174     </li>
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184     <li class="md-nav__item">
1185       <a href="../pip/acp-menu/" class="md-nav__link">
1186         acpMenu
1187       </a>
1188     </li>
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198     <li class="md-nav__item">
1199       <a href="../pip/acp-search-provider/" class="md-nav__link">
1200         acpSearchProvider
1201       </a>
1202     </li>
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212     <li class="md-nav__item">
1213       <a href="../pip/acp-template/" class="md-nav__link">
1214         acpTemplate
1215       </a>
1216     </li>
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226     <li class="md-nav__item">
1227       <a href="../pip/acp-template-delete/" class="md-nav__link">
1228         acpTemplateDelete
1229       </a>
1230     </li>
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240     <li class="md-nav__item">
1241       <a href="../pip/bbcode/" class="md-nav__link">
1242         bbcode
1243       </a>
1244     </li>
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254     <li class="md-nav__item">
1255       <a href="../pip/box/" class="md-nav__link">
1256         box
1257       </a>
1258     </li>
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268     <li class="md-nav__item">
1269       <a href="../pip/clipboard-action/" class="md-nav__link">
1270         clipboardAction
1271       </a>
1272     </li>
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282     <li class="md-nav__item">
1283       <a href="../pip/core-object/" class="md-nav__link">
1284         coreObject
1285       </a>
1286     </li>
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296     <li class="md-nav__item">
1297       <a href="../pip/cronjob/" class="md-nav__link">
1298         cronjob
1299       </a>
1300     </li>
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310     <li class="md-nav__item">
1311       <a href="../pip/database/" class="md-nav__link">
1312         database
1313       </a>
1314     </li>
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324     <li class="md-nav__item">
1325       <a href="../pip/event-listener/" class="md-nav__link">
1326         eventListener
1327       </a>
1328     </li>
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338     <li class="md-nav__item">
1339       <a href="../pip/file/" class="md-nav__link">
1340         file
1341       </a>
1342     </li>
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352     <li class="md-nav__item">
1353       <a href="../pip/file-delete/" class="md-nav__link">
1354         fileDelete
1355       </a>
1356     </li>
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366     <li class="md-nav__item">
1367       <a href="../pip/language/" class="md-nav__link">
1368         language
1369       </a>
1370     </li>
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380     <li class="md-nav__item">
1381       <a href="../pip/media-provider/" class="md-nav__link">
1382         mediaProvider
1383       </a>
1384     </li>
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394     <li class="md-nav__item">
1395       <a href="../pip/menu/" class="md-nav__link">
1396         menu
1397       </a>
1398     </li>
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408     <li class="md-nav__item">
1409       <a href="../pip/menu-item/" class="md-nav__link">
1410         menuItem
1411       </a>
1412     </li>
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422     <li class="md-nav__item">
1423       <a href="../pip/object-type/" class="md-nav__link">
1424         objectType
1425       </a>
1426     </li>
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436     <li class="md-nav__item">
1437       <a href="../pip/object-type-definition/" class="md-nav__link">
1438         objectTypeDefinition
1439       </a>
1440     </li>
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450     <li class="md-nav__item">
1451       <a href="../pip/option/" class="md-nav__link">
1452         option
1453       </a>
1454     </li>
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464     <li class="md-nav__item">
1465       <a href="../pip/page/" class="md-nav__link">
1466         page
1467       </a>
1468     </li>
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478     <li class="md-nav__item">
1479       <a href="../pip/pip/" class="md-nav__link">
1480         pip
1481       </a>
1482     </li>
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492     <li class="md-nav__item">
1493       <a href="../pip/script/" class="md-nav__link">
1494         script
1495       </a>
1496     </li>
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506     <li class="md-nav__item">
1507       <a href="../pip/smiley/" class="md-nav__link">
1508         smiley
1509       </a>
1510     </li>
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520     <li class="md-nav__item">
1521       <a href="../pip/sql/" class="md-nav__link">
1522         sql
1523       </a>
1524     </li>
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534     <li class="md-nav__item">
1535       <a href="../pip/style/" class="md-nav__link">
1536         style
1537       </a>
1538     </li>
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548     <li class="md-nav__item">
1549       <a href="../pip/template/" class="md-nav__link">
1550         template
1551       </a>
1552     </li>
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562     <li class="md-nav__item">
1563       <a href="../pip/template-delete/" class="md-nav__link">
1564         templateDelete
1565       </a>
1566     </li>
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576     <li class="md-nav__item">
1577       <a href="../pip/template-listener/" class="md-nav__link">
1578         templateListener
1579       </a>
1580     </li>
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590     <li class="md-nav__item">
1591       <a href="../pip/user-group-option/" class="md-nav__link">
1592         userGroupOption
1593       </a>
1594     </li>
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604     <li class="md-nav__item">
1605       <a href="../pip/user-menu/" class="md-nav__link">
1606         userMenu
1607       </a>
1608     </li>
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618     <li class="md-nav__item">
1619       <a href="../pip/user-notification-event/" class="md-nav__link">
1620         userNotificationEvent
1621       </a>
1622     </li>
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632     <li class="md-nav__item">
1633       <a href="../pip/user-option/" class="md-nav__link">
1634         userOption
1635       </a>
1636     </li>
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646     <li class="md-nav__item">
1647       <a href="../pip/user-profile-menu/" class="md-nav__link">
1648         userProfileMenu
1649       </a>
1650     </li>
1651
1652
1653
1654
1655         </ul>
1656       </nav>
1657     </li>
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669     <li class="md-nav__item md-nav__item--active">
1670
1671       <input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
1672
1673
1674
1675
1676
1677         <label class="md-nav__link md-nav__link--active" for="__toc">
1678           Database PHP API
1679           <span class="md-nav__icon md-icon"></span>
1680         </label>
1681
1682       <a href="./" class="md-nav__link md-nav__link--active">
1683         Database PHP API
1684       </a>
1685
1686
1687
1688 <nav class="md-nav md-nav--secondary" aria-label="Table of contents">
1689
1690
1691
1692
1693
1694
1695     <label class="md-nav__title" for="__toc">
1696       <span class="md-nav__icon md-icon"></span>
1697       Table of contents
1698     </label>
1699     <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
1700
1701         <li class="md-nav__item">
1702   <a href="#database-tables" class="md-nav__link">
1703     Database Tables
1704   </a>
1705
1706 </li>
1707
1708         <li class="md-nav__item">
1709   <a href="#columns" class="md-nav__link">
1710     Columns
1711   </a>
1712
1713 </li>
1714
1715         <li class="md-nav__item">
1716   <a href="#foreign-keys" class="md-nav__link">
1717     Foreign Keys
1718   </a>
1719
1720 </li>
1721
1722         <li class="md-nav__item">
1723   <a href="#indices" class="md-nav__link">
1724     Indices
1725   </a>
1726
1727 </li>
1728
1729     </ul>
1730
1731 </nav>
1732
1733     </li>
1734
1735
1736
1737
1738         </ul>
1739       </nav>
1740     </li>
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752     <li class="md-nav__item md-nav__item--nested">
1753
1754
1755
1756
1757       <input class="md-nav__toggle md-toggle " data-md-toggle="__nav_6" type="checkbox" id="__nav_6" >
1758
1759
1760
1761         <label class="md-nav__link" for="__nav_6" tabindex="0" aria-expanded="false">
1762           Migration
1763           <span class="md-nav__icon md-icon"></span>
1764         </label>
1765
1766       <nav class="md-nav" aria-label="Migration" data-md-level="1">
1767         <label class="md-nav__title" for="__nav_6">
1768           <span class="md-nav__icon md-icon"></span>
1769           Migration
1770         </label>
1771         <ul class="md-nav__list" data-md-scrollfix>
1772
1773
1774
1775
1776
1777
1778
1779     <li class="md-nav__item md-nav__item--nested">
1780
1781
1782
1783
1784       <input class="md-nav__toggle md-toggle " data-md-toggle="__nav_6_1" type="checkbox" id="__nav_6_1" >
1785
1786
1787
1788         <label class="md-nav__link" for="__nav_6_1" tabindex="0" aria-expanded="false">
1789           From WoltLab Suite 5.5
1790           <span class="md-nav__icon md-icon"></span>
1791         </label>
1792
1793       <nav class="md-nav" aria-label="From WoltLab Suite 5.5" data-md-level="2">
1794         <label class="md-nav__title" for="__nav_6_1">
1795           <span class="md-nav__icon md-icon"></span>
1796           From WoltLab Suite 5.5
1797         </label>
1798         <ul class="md-nav__list" data-md-scrollfix>
1799
1800
1801
1802
1803
1804
1805     <li class="md-nav__item">
1806       <a href="../../migration/wsc55/php/" class="md-nav__link">
1807         PHP API
1808       </a>
1809     </li>
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819     <li class="md-nav__item">
1820       <a href="../../migration/wsc55/javascript/" class="md-nav__link">
1821         TypeScript and JavaScript
1822       </a>
1823     </li>
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833     <li class="md-nav__item">
1834       <a href="../../migration/wsc55/templates/" class="md-nav__link">
1835         Templates
1836       </a>
1837     </li>
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847     <li class="md-nav__item">
1848       <a href="../../migration/wsc55/icons/" class="md-nav__link">
1849         Icons
1850       </a>
1851     </li>
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861     <li class="md-nav__item">
1862       <a href="../../migration/wsc55/dialogs/" class="md-nav__link">
1863         Dialogs
1864       </a>
1865     </li>
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875     <li class="md-nav__item">
1876       <a href="../../migration/wsc55/libraries/" class="md-nav__link">
1877         Third Party Libraries
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1889     <li class="md-nav__item">
1890       <a href="../../migration/wsc55/deprecations_removals/" class="md-nav__link">
1891         Deprecations and Removals
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1939         PHP API
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1952       <a href="../../migration/wsc54/javascript/" class="md-nav__link">
1953         TypeScript and JavaScript
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1965     <li class="md-nav__item">
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1979     <li class="md-nav__item">
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1993     <li class="md-nav__item">
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1995         Deprecations and Removals
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2043         PHP API
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2055     <li class="md-nav__item">
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2057         Session Handling and Authentication
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2071         TypeScript and JavaScript
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2083     <li class="md-nav__item">
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2085         Templates
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2099         Third Party Libraries
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2147         PHP API
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2154
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2156
2157
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2159     <li class="md-nav__item">
2160       <a href="../../migration/wsc52/templates/" class="md-nav__link">
2161         Templates and Languages
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2169
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2171
2172
2173     <li class="md-nav__item">
2174       <a href="../../migration/wsc52/libraries/" class="md-nav__link">
2175         Third Party Libraries
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2178
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2220
2221     <li class="md-nav__item">
2222       <a href="../../migration/wsc31/php/" class="md-nav__link">
2223         PHP API
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2225     </li>
2226
2227
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2230         </ul>
2231       </nav>
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2269     <li class="md-nav__item">
2270       <a href="../../migration/wsc30/php/" class="md-nav__link">
2271         PHP API
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2273     </li>
2274
2275
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2278
2279
2280
2281
2282
2283     <li class="md-nav__item">
2284       <a href="../../migration/wsc30/javascript/" class="md-nav__link">
2285         JavaScript API
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2288
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2291
2292
2293
2294
2295
2296
2297     <li class="md-nav__item">
2298       <a href="../../migration/wsc30/templates/" class="md-nav__link">
2299         Templates
2300       </a>
2301     </li>
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311     <li class="md-nav__item">
2312       <a href="../../migration/wsc30/css/" class="md-nav__link">
2313         CSS
2314       </a>
2315     </li>
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325     <li class="md-nav__item">
2326       <a href="../../migration/wsc30/package/" class="md-nav__link">
2327         Package Components
2328       </a>
2329     </li>
2330
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2335       </nav>
2336     </li>
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2353
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2357           From WCF 2.1
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2359         </label>
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2364           From WCF 2.1
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2367
2368
2369
2370
2371
2372
2373     <li class="md-nav__item">
2374       <a href="../../migration/wcf21/php/" class="md-nav__link">
2375         PHP API
2376       </a>
2377     </li>
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387     <li class="md-nav__item">
2388       <a href="../../migration/wcf21/templates/" class="md-nav__link">
2389         Templates
2390       </a>
2391     </li>
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401     <li class="md-nav__item">
2402       <a href="../../migration/wcf21/css/" class="md-nav__link">
2403         CSS
2404       </a>
2405     </li>
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415     <li class="md-nav__item">
2416       <a href="../../migration/wcf21/package/" class="md-nav__link">
2417         Package Components
2418       </a>
2419     </li>
2420
2421
2422
2423
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2427
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2482           Tutorial Series
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2500         Overview
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2510
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2512     <li class="md-nav__item">
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2514         Part 1
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2526     <li class="md-nav__item">
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2528         Part 2
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2542         Part 3
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2552
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2554     <li class="md-nav__item">
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2556         Part 4
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2566
2567
2568     <li class="md-nav__item">
2569       <a href="../../tutorial/series/part_5/" class="md-nav__link">
2570         Part 5
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2577
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2579
2580
2581
2582     <li class="md-nav__item">
2583       <a href="../../tutorial/series/part_6/" class="md-nav__link">
2584         Part 6
2585       </a>
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2588
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2614                   <div class="md-sidebar__inner">
2615
2616
2617 <nav class="md-nav md-nav--secondary" aria-label="Table of contents">
2618
2619
2620
2621
2622
2623
2624     <label class="md-nav__title" for="__toc">
2625       <span class="md-nav__icon md-icon"></span>
2626       Table of contents
2627     </label>
2628     <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix>
2629
2630         <li class="md-nav__item">
2631   <a href="#database-tables" class="md-nav__link">
2632     Database Tables
2633   </a>
2634
2635 </li>
2636
2637         <li class="md-nav__item">
2638   <a href="#columns" class="md-nav__link">
2639     Columns
2640   </a>
2641
2642 </li>
2643
2644         <li class="md-nav__item">
2645   <a href="#foreign-keys" class="md-nav__link">
2646     Foreign Keys
2647   </a>
2648
2649 </li>
2650
2651         <li class="md-nav__item">
2652   <a href="#indices" class="md-nav__link">
2653     Indices
2654   </a>
2655
2656 </li>
2657
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2660 </nav>
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2664
2665
2666
2667             <div class="md-content" data-md-component="content">
2668               <article class="md-content__inner md-typeset">
2669
2670
2671
2672
2673
2674
2675
2676
2677 <h1 id="database-php-api">Database PHP API<a class="headerlink" href="#database-php-api" title="Permanent link">#</a></h1>
2678 <p>While the <a href="../pip/sql/">sql</a> package installation plugin supports adding and removing tables, columns, and indices, it is not able to handle cases where the added table, column, or index already exist.
2679 We have added a new PHP-based API to manipulate the database scheme which can be used in combination with the <a href="../pip/database/">database</a> package installation plugin that skips parts that already exist:</p>
2680 <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal">1</span>
2681 <span class="normal">2</span>
2682 <span class="normal">3</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="k">return</span> <span class="p">[</span>
2683     <span class="c1">// list of `DatabaseTable` objects</span>
2684 <span class="p">];</span>
2685 </code></pre></div></td></tr></table></div>
2686 <p>All of the relevant components can be found in the <code>wcf\system\database\table</code> namespace.</p>
2687 <h2 id="database-tables">Database Tables<a class="headerlink" href="#database-tables" title="Permanent link">#</a></h2>
2688 <p>There are two classes representing database tables: <code>DatabaseTable</code> and <code>PartialDatabaseTable</code>.
2689 If a new table should be created, use <code>DatabaseTable</code>.
2690 In all other cases, <code>PartialDatabaseTable</code> should be used as it provides an additional save-guard against accidentally creating a new table by having a typo in the table name:
2691 If the tables does not already exist, a table represented by <code>PartialDatabaseTable</code> will cause an exception (while a <code>DatabaseTable</code> table will simply be created).</p>
2692 <p>To create a table, a <code>DatabaseTable</code> object with the table's name as to be created and table's columns, foreign keys and indices have to be specified:</p>
2693 <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"> 1</span>
2694 <span class="normal"> 2</span>
2695 <span class="normal"> 3</span>
2696 <span class="normal"> 4</span>
2697 <span class="normal"> 5</span>
2698 <span class="normal"> 6</span>
2699 <span class="normal"> 7</span>
2700 <span class="normal"> 8</span>
2701 <span class="normal"> 9</span>
2702 <span class="normal">10</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="nx">DatabaseTable</span><span class="o">::</span><span class="na">create</span><span class="p">(</span><span class="s1">&#39;foo1_bar&#39;</span><span class="p">)</span>
2703     <span class="o">-&gt;</span><span class="na">columns</span><span class="p">([</span>
2704         <span class="c1">// columns</span>
2705     <span class="p">])</span>
2706     <span class="o">-&gt;</span><span class="na">foreignKeys</span><span class="p">([</span>
2707         <span class="c1">// foreign keys</span>
2708     <span class="p">])</span>
2709     <span class="o">-&gt;</span><span class="na">indices</span><span class="p">([</span>
2710         <span class="c1">// indices</span>
2711     <span class="p">])</span>
2712 </code></pre></div></td></tr></table></div>
2713 <p>To update a table, the same code as above can be used, except for <code>PartialDatabaseTable</code> being used instead of <code>DatabaseTable</code>.</p>
2714 <p>To drop a table, only the <code>drop()</code> method has to be called:</p>
2715 <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal">1</span>
2716 <span class="normal">2</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="nx">PartialDatabaseTable</span><span class="o">::</span><span class="na">create</span><span class="p">(</span><span class="s1">&#39;foo1_bar&#39;</span><span class="p">)</span>
2717     <span class="o">-&gt;</span><span class="na">drop</span><span class="p">()</span>
2718 </code></pre></div></td></tr></table></div>
2719 <h2 id="columns">Columns<a class="headerlink" href="#columns" title="Permanent link">#</a></h2>
2720 <p>To represent a column of a database table, you have to create an instance of the relevant column class found in the <code>wcf\system\database\table\column</code> namespace.
2721 Such instances are created similarly to database table objects using the <code>create()</code> factory method and passing the column name as the parameter.</p>
2722 <p>Every column type supports the following methods:</p>
2723 <ul>
2724 <li><code>defaultValue($defaultValue)</code> sets the default value of the column (default: none).</li>
2725 <li><code>drop()</code> to drop the column.</li>
2726 <li><code>notNull($notNull = true)</code> sets if the value of the column can be <code>NULL</code> (default: <code>false</code>).</li>
2727 </ul>
2728 <p>Depending on the specific column class implementing additional interfaces, the following methods are also available:</p>
2729 <ul>
2730 <li><code>IAutoIncrementDatabaseTableColumn::autoIncrement($autoIncrement = true)</code> sets if the value of the colum is auto-incremented.</li>
2731 <li><code>IDecimalsDatabaseTableColumn::decimals($decimals)</code> sets the number of decimals the column supports.</li>
2732 <li><code>IEnumDatabaseTableColumn::enumValues(array $values)</code> sets the predetermined set of valid values of the column.</li>
2733 <li><code>ILengthDatabaseTableColumn::length($length)</code> sets the (maximum) length of the column.</li>
2734 </ul>
2735 <p>Additionally, there are some additionally classes of commonly used columns with specific properties:</p>
2736 <ul>
2737 <li><code>DefaultFalseBooleanDatabaseTableColumn</code> (a <code>tinyint</code> column with length <code>1</code>, default value <code>0</code> and whose values cannot be <code>null</code>)</li>
2738 <li><code>DefaultTrueBooleanDatabaseTableColumn</code> (a <code>tinyint</code> column with length <code>0</code>, default value <code>0</code> and whose values cannot be <code>null</code>)</li>
2739 <li><code>NotNullInt10DatabaseTableColumn</code> (a <code>int</code> column with length <code>10</code> and whose values cannot be <code>null</code>)</li>
2740 <li><code>NotNullVarchar191DatabaseTableColumn</code> (a <code>varchar</code> column with length <code>191</code> and whose values cannot be <code>null</code>)</li>
2741 <li><code>NotNullVarchar255DatabaseTableColumn</code> (a <code>varchar</code> column with length <code>255</code> and whose values cannot be <code>null</code>)</li>
2742 <li><code>ObjectIdDatabaseTableColumn</code> (a <code>int</code> column with length <code>10</code>, whose values cannot be <code>null</code>, and whose values are auto-incremented)</li>
2743 </ul>
2744 <p>Examples:</p>
2745 <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal">1</span>
2746 <span class="normal">2</span>
2747 <span class="normal">3</span>
2748 <span class="normal">4</span>
2749 <span class="normal">5</span>
2750 <span class="normal">6</span>
2751 <span class="normal">7</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="nx">DefaultFalseBooleanDatabaseTableColumn</span><span class="o">::</span><span class="na">create</span><span class="p">(</span><span class="s1">&#39;isDisabled&#39;</span><span class="p">)</span>
2752
2753 <span class="nx">NotNullInt10DatabaseTableColumn</span><span class="o">::</span><span class="na">create</span><span class="p">(</span><span class="s1">&#39;fooTypeID&#39;</span><span class="p">)</span>
2754
2755 <span class="nx">SmallintDatabaseTableColumn</span><span class="o">::</span><span class="na">create</span><span class="p">(</span><span class="s1">&#39;bar&#39;</span><span class="p">)</span>
2756     <span class="o">-&gt;</span><span class="na">length</span><span class="p">(</span><span class="mi">5</span><span class="p">)</span>
2757     <span class="o">-&gt;</span><span class="na">notNull</span><span class="p">()</span>
2758 </code></pre></div></td></tr></table></div>
2759 <h2 id="foreign-keys">Foreign Keys<a class="headerlink" href="#foreign-keys" title="Permanent link">#</a></h2>
2760 <p>Foreign keys are represented by <code>DatabaseTableForeignKey</code> objects: </p>
2761 <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal">1</span>
2762 <span class="normal">2</span>
2763 <span class="normal">3</span>
2764 <span class="normal">4</span>
2765 <span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="nx">DatabaseTableForeignKey</span><span class="o">::</span><span class="na">create</span><span class="p">()</span>
2766     <span class="o">-&gt;</span><span class="na">columns</span><span class="p">([</span><span class="s1">&#39;fooID&#39;</span><span class="p">])</span>
2767     <span class="o">-&gt;</span><span class="na">referencedTable</span><span class="p">(</span><span class="s1">&#39;wcf1_foo&#39;</span><span class="p">)</span>
2768     <span class="o">-&gt;</span><span class="na">referencedColumns</span><span class="p">([</span><span class="s1">&#39;fooID&#39;</span><span class="p">])</span>
2769     <span class="o">-&gt;</span><span class="na">onDelete</span><span class="p">(</span><span class="s1">&#39;CASCADE&#39;</span><span class="p">)</span>
2770 </code></pre></div></td></tr></table></div>
2771 <p>The supported actions for <code>onDelete()</code> and <code>onUpdate()</code> are <code>CASCADE</code>, <code>NO ACTION</code>, and <code>SET NULL</code>.
2772 To drop a foreign key, all of the relevant data to create the foreign key has to be present and the <code>drop()</code> method has to be called.</p>
2773 <p><code>DatabaseTableForeignKey::create()</code> also supports the foreign key name as a parameter.
2774 If it is not present, <code>DatabaseTable::foreignKeys()</code> will automatically set one based on the foreign key's data.</p>
2775 <h2 id="indices">Indices<a class="headerlink" href="#indices" title="Permanent link">#</a></h2>
2776 <p>Indices are represented by <code>DatabaseTableIndex</code> objects: </p>
2777 <div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal">1</span>
2778 <span class="normal">2</span>
2779 <span class="normal">3</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="nx">DatabaseTableIndex</span><span class="o">::</span><span class="na">create</span><span class="p">(</span><span class="s1">&#39;fooID&#39;</span><span class="p">)</span>
2780     <span class="o">-&gt;</span><span class="na">type</span><span class="p">(</span><span class="nx">DatabaseTableIndex</span><span class="o">::</span><span class="na">UNIQUE_TYPE</span><span class="p">)</span>
2781     <span class="o">-&gt;</span><span class="na">columns</span><span class="p">([</span><span class="s1">&#39;fooID&#39;</span><span class="p">])</span>
2782 </code></pre></div></td></tr></table></div>
2783 <p>There are four different types: <code>DatabaseTableIndex::DEFAULT_TYPE</code> (default), <code>DatabaseTableIndex::PRIMARY_TYPE</code>, <code>DatabaseTableIndex::UNIQUE_TYPE</code>, and <code>DatabaseTableIndex::FULLTEXT_TYPE</code>.
2784 For primary keys, there is also the <code>DatabaseTablePrimaryIndex</code> class which automatically sets the type to <code>DatabaseTableIndex::PRIMARY_TYPE</code>.
2785 To drop a index, all of the relevant data to create the index has to be present and the <code>drop()</code> method has to be called.</p>
2786 <p>The index name is specified as the parameter to <code>DatabaseTableIndex::create()</code>.
2787 It is strongly recommended to specify an explicit name (<a href="https://github.com/WoltLab/WCF/issues/4505">WoltLab/WCF#4505</a>).
2788 If no name is given, <code>DatabaseTable::indices()</code> will automatically set one based on the index data.</p>
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