DataHandler.php 407 KB
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<?php
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namespace TYPO3\CMS\Core\DataHandling;
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/*
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 * This file is part of the TYPO3 CMS project.
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 *
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 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
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 *
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 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
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 *
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 * The TYPO3 project - inspiring people to share!
 */
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use Doctrine\DBAL\DBALException;
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use Doctrine\DBAL\Driver\Statement;
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use Doctrine\DBAL\Platforms\PostgreSqlPlatform;
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use Doctrine\DBAL\Platforms\SQLServerPlatform;
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use Doctrine\DBAL\Types\IntegerType;
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use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
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use TYPO3\CMS\Backend\Utility\BackendUtility;
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use TYPO3\CMS\Core\Authentication\BackendUserAuthentication;
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use TYPO3\CMS\Core\Cache\CacheManager;
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use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
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use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidIdentifierException;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidParentRowException;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidParentRowLoopException;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidParentRowRootException;
use TYPO3\CMS\Core\Configuration\FlexForm\Exception\InvalidPointerFieldValueException;
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use TYPO3\CMS\Core\Configuration\FlexForm\FlexFormTools;
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use TYPO3\CMS\Core\Configuration\Richtext;
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use TYPO3\CMS\Core\Crypto\PasswordHashing\InvalidPasswordHashException;
use TYPO3\CMS\Core\Crypto\PasswordHashing\PasswordHashFactory;
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use TYPO3\CMS\Core\Database\Connection;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Database\Query\QueryHelper;
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use TYPO3\CMS\Core\Database\Query\Restriction\BackendWorkspaceRestriction;
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use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
use TYPO3\CMS\Core\Database\Query\Restriction\QueryRestrictionContainerInterface;
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use TYPO3\CMS\Core\Database\Query\Restriction\WorkspaceRestriction;
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use TYPO3\CMS\Core\Database\ReferenceIndex;
use TYPO3\CMS\Core\Database\RelationHandler;
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use TYPO3\CMS\Core\DataHandling\History\RecordHistoryStore;
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use TYPO3\CMS\Core\DataHandling\Localization\DataMapProcessor;
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use TYPO3\CMS\Core\DataHandling\Model\RecordStateFactory;
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use TYPO3\CMS\Core\Html\RteHtmlParser;
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use TYPO3\CMS\Core\Localization\LanguageService;
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use TYPO3\CMS\Core\Messaging\FlashMessage;
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use TYPO3\CMS\Core\Messaging\FlashMessageService;
use TYPO3\CMS\Core\Resource\ResourceFactory;
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use TYPO3\CMS\Core\Service\OpcodeCacheService;
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use TYPO3\CMS\Core\Type\Bitmask\Permission;
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use TYPO3\CMS\Core\Utility\ArrayUtility;
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use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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use TYPO3\CMS\Core\Utility\HttpUtility;
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use TYPO3\CMS\Core\Utility\MathUtility;
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use TYPO3\CMS\Core\Utility\StringUtility;
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use TYPO3\CMS\Core\Versioning\VersionState;
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/**
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 * The main data handler class which takes care of correctly updating and inserting records.
 * This class was formerly known as TCEmain.
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 *
 * This is the TYPO3 Core Engine class for manipulation of the database
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 * This class is used by eg. the tce_db BE route (SimpleDataHandlerController) which provides an the interface for POST forms to this class.
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 *
 * Dependencies:
 * - $GLOBALS['TCA'] must exist
 * - $GLOBALS['LANG'] must exist
 *
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 * Also see document 'TYPO3 Core API' for details.
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 */
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class DataHandler implements LoggerAwareInterface
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{
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    use LoggerAwareTrait;

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    // *********************
    // Public variables you can configure before using the class:
    // *********************
    /**
     * If TRUE, the default log-messages will be stored. This should not be necessary if the locallang-file for the
     * log-display is properly configured. So disabling this will just save some database-space as the default messages are not saved.
     *
     * @var bool
     */
    public $storeLogMessages = true;

    /**
     * If TRUE, actions are logged to sys_log.
     *
     * @var bool
     */
    public $enableLogging = true;

    /**
     * If TRUE, the datamap array is reversed in the order, which is a nice thing if you're creating a whole new
     * bunch of records.
     *
     * @var bool
     */
    public $reverseOrder = false;

    /**
     * If TRUE, only fields which are different from the database values are saved! In fact, if a whole input array
     * is similar, it's not saved then.
     *
     * @var bool
     */
    public $checkSimilar = true;

    /**
     * This will read the record after having updated or inserted it. If anything is not properly submitted an error
     * is written to the log. This feature consumes extra time by selecting records
     *
     * @var bool
     */
    public $checkStoredRecords = true;

    /**
     * If set, values '' and 0 will equal each other when the stored records are checked.
     *
     * @var bool
     */
    public $checkStoredRecords_loose = true;

    /**
     * If this is set, then a page is deleted by deleting the whole branch under it (user must have
     * delete permissions to it all). If not set, then the page is deleted ONLY if it has no branch.
     *
     * @var bool
     */
    public $deleteTree = false;

    /**
     * If set, then the 'hideAtCopy' flag for tables will be ignored.
     *
     * @var bool
     */
    public $neverHideAtCopy = false;

    /**
     * If set, then the TCE class has been instantiated during an import action of a T3D
     *
     * @var bool
     */
    public $isImporting = false;

    /**
     * If set, then transformations are NOT performed on the input.
     *
     * @var bool
     */
    public $dontProcessTransformations = false;

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    /**
     * Will distinguish between translations (with parent) and localizations (without parent) while still using the same methods to copy the records
     * TRUE: translation of a record connected to the default language
     * FALSE: localization of a record without connection to the default language
     *
     * @var bool
     */
    protected $useTransOrigPointerField = true;

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    /**
     * If TRUE, workspace restrictions are bypassed on edit an create actions (process_datamap()).
     * YOU MUST KNOW what you do if you use this feature!
     *
     * @var bool
     */
    public $bypassWorkspaceRestrictions = false;

    /**
     * If TRUE, access check, check for deleted etc. for records is bypassed.
     * YOU MUST KNOW what you are doing if you use this feature!
     *
     * @var bool
     */
    public $bypassAccessCheckForRecords = false;

    /**
     * Comma-separated list. This list of tables decides which tables will be copied. If empty then none will.
     * If '*' then all will (that the user has permission to of course)
     *
     * @var string
     */
    public $copyWhichTables = '*';

    /**
     * If 0 then branch is NOT copied.
     * If 1 then pages on the 1st level is copied.
     * If 2 then pages on the second level is copied ... and so on
     *
     * @var int
     */
    public $copyTree = 0;

    /**
     * [table][fields]=value: New records are created with default values and you can set this array on the
     * form $defaultValues[$table][$field] = $value to override the default values fetched from TCA.
     * If ->setDefaultsFromUserTS is called UserTSconfig default values will overrule existing values in this array
     * (thus UserTSconfig overrules externally set defaults which overrules TCA defaults)
     *
     * @var array
     */
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    public $defaultValues = [];
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    /**
     * [table][fields]=value: You can set this array on the form $overrideValues[$table][$field] = $value to
     * override the incoming data. You must set this externally. You must make sure the fields in this array are also
     * found in the table, because it's not checked. All columns can be set by this array!
     *
     * @var array
     */
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    public $overrideValues = [];
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    /**
     * If entries are set in this array corresponding to fields for update, they are ignored and thus NOT updated.
     * You could set this array from a series of checkboxes with value=0 and hidden fields before the checkbox with 1.
     * Then an empty checkbox will disable the field.
     *
     * @var array
     */
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    public $data_disableFields = [];
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    /**
     * Use this array to validate suggested uids for tables by setting [table]:[uid]. This is a dangerous option
     * since it will force the inserted record to have a certain UID. The value just have to be TRUE, but if you set
     * it to "DELETE" it will make sure any record with that UID will be deleted first (raw delete).
     * The option is used for import of T3D files when synchronizing between two mirrored servers.
     * As a security measure this feature is available only for Admin Users (for now)
     *
     * @var array
     */
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    public $suggestedInsertUids = [];
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    /**
     * Object. Call back object for FlexForm traversal. Useful when external classes wants to use the
     * iteration functions inside DataHandler for traversing a FlexForm structure.
     *
     * @var object
     */
    public $callBackObj;

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    /**
     * A string which can be used as correlationId for RecordHistory entries.
     * The string can later be used to rollback multiple changes at once.
     * @var string
     */
    protected $correlationId;

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    // *********************
    // Internal variables (mapping arrays) which can be used (read-only) from outside
    // *********************
    /**
     * Contains mapping of auto-versionized records.
     *
     * @var array
     */
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    public $autoVersionIdMap = [];
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    /**
     * When new elements are created, this array contains a map between their "NEW..." string IDs and the eventual UID they got when stored in database
     *
     * @var array
     */
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    public $substNEWwithIDs = [];
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    /**
     * Like $substNEWwithIDs, but where each old "NEW..." id is mapped to the table it was from.
     *
     * @var array
     */
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    public $substNEWwithIDs_table = [];
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    /**
     * Holds the tables and there the ids of newly created child records from IRRE
     *
     * @var array
     */
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    public $newRelatedIDs = [];
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    /**
     * This array is the sum of all copying operations in this class. May be READ from outside, thus partly public.
     *
     * @var array
     */
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    public $copyMappingArray_merged = [];
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    /**
     * Per-table array with UIDs that have been deleted.
     *
     * @var array
     */
    protected $deletedRecords = [];

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    /**
     * Errors are collected in this variable.
     *
     * @var array
     */
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    public $errorLog = [];
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    /**
     * Fields from the pages-table for which changes will trigger a pagetree refresh
     *
     * @var array
     */
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    public $pagetreeRefreshFieldsFromPages = ['pid', 'sorting', 'deleted', 'hidden', 'title', 'doktype', 'is_siteroot', 'fe_group', 'nav_hide', 'nav_title', 'module', 'starttime', 'endtime', 'content_from_pid', 'extendToSubpages'];
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    /**
     * Indicates whether the pagetree needs a refresh because of important changes
     *
     * @var bool
     */
    public $pagetreeNeedsRefresh = false;

    // *********************
    // Internal Variables, do not touch.
    // *********************

    // Variables set in init() function:

    /**
     * The user-object the script uses. If not set from outside, this is set to the current global $BE_USER.
     *
     * @var BackendUserAuthentication
     */
    public $BE_USER;

    /**
     * Will be set to uid of be_user executing this script
     *
     * @var int
     */
    public $userid;

    /**
     * Will be set to username of be_user executing this script
     *
     * @var string
     */
    public $username;

    /**
     * Will be set if user is admin
     *
     * @var bool
     */
    public $admin;

    /**
     * Can be overridden from $GLOBALS['TYPO3_CONF_VARS']
     *
     * @var array
     */
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    public $defaultPermissions = [
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        'user' => 'show,edit,delete,new,editcontent',
        'group' => 'show,edit,new,editcontent',
        'everybody' => ''
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    ];
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    /**
     * The list of <table>-<fields> that cannot be edited by user. This is compiled from TCA/exclude-flag combined with non_exclude_fields for the user.
     *
     * @var array
     */
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    protected $excludedTablesAndFields = [];
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    /**
     * Data submitted from the form view, used to control behaviours,
     * e.g. this is used to activate/deactivate fields and thus store NULL values
     *
     * @var array
     */
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    protected $control = [];
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    /**
     * Set with incoming data array
     *
     * @var array
     */
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    public $datamap = [];
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    /**
     * Set with incoming cmd array
     *
     * @var array
     */
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    public $cmdmap = [];
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    /**
     * List of changed old record ids to new records ids
     *
     * @var array
     */
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    protected $mmHistoryRecords = [];
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    /**
     * List of changed old record ids to new records ids
     *
     * @var array
     */
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    protected $historyRecords = [];
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    // Internal static:
    /**
     * Permission mapping
     *
     * @var array
     */
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    public $pMap = [
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        'show' => 1,
        // 1st bit
        'edit' => 2,
        // 2nd bit
        'delete' => 4,
        // 3rd bit
        'new' => 8,
        // 4th bit
        'editcontent' => 16
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    ];
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    /**
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     * The interval between sorting numbers used with tables with a 'sorting' field defined.
     *
     * Min 1, should be power of 2
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     *
     * @var int
     */
    public $sortIntervals = 256;

    // Internal caching arrays
    /**
     * Used by function checkRecordUpdateAccess() to store whether a record is updatable or not.
     *
     * @var array
     */
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    protected $recUpdateAccessCache = [];
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    /**
     * User by function checkRecordInsertAccess() to store whether a record can be inserted on a page id
     *
     * @var array
     */
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    protected $recInsertAccessCache = [];
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    /**
     * Caching array for check of whether records are in a webmount
     *
     * @var array
     */
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    protected $isRecordInWebMount_Cache = [];
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    /**
     * Caching array for page ids in webmounts
     *
     * @var array
     */
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    protected $isInWebMount_Cache = [];
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    /**
     * Used for caching page records in pageInfo()
     *
     * @var array
     */
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    protected $pageCache = [];
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    // Other arrays:
    /**
     * For accumulation of MM relations that must be written after new records are created.
     *
     * @var array
     */
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    public $dbAnalysisStore = [];
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    /**
     * Used for tracking references that might need correction after operations
     *
     * @var array
     */
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    public $registerDBList = [];
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    /**
     * Used for tracking references that might need correction in pid field after operations (e.g. IRRE)
     *
     * @var array
     */
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    public $registerDBPids = [];
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    /**
     * Used by the copy action to track the ids of new pages so subpages are correctly inserted!
     * THIS is internally cleared for each executed copy operation! DO NOT USE THIS FROM OUTSIDE!
     * Read from copyMappingArray_merged instead which is accumulating this information.
     *
     * NOTE: This is used by some outside scripts (e.g. hooks), as the results in $copyMappingArray_merged
     * are only available after an action has been completed.
     *
     * @var array
     */
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    public $copyMappingArray = [];
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    /**
     * Array used for remapping uids and values at the end of process_datamap
     *
     * @var array
     */
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    public $remapStack = [];
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    /**
     * Array used for remapping uids and values at the end of process_datamap
     * (e.g. $remapStackRecords[<table>][<uid>] = <index in $remapStack>)
     *
     * @var array
     */
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    public $remapStackRecords = [];
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    /**
     * Array used for checking whether new children need to be remapped
     *
     * @var array
     */
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    protected $remapStackChildIds = [];
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    /**
     * Array used for executing addition actions after remapping happened (set processRemapStack())
     *
     * @var array
     */
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    protected $remapStackActions = [];
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    /**
     * Array used for executing post-processing on the reference index
     *
     * @var array
     */
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    protected $remapStackRefIndex = [];
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    /**
     * Array used for additional calls to $this->updateRefIndex
     *
     * @var array
     */
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    public $updateRefIndexStack = [];
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    /**
     * Tells, that this DataHandler instance was called from \TYPO3\CMS\Impext\ImportExport.
     * This variable is set by \TYPO3\CMS\Impext\ImportExport
     *
     * @var array
     */
    public $callFromImpExp = false;

    // Various

    /**
     * Set to "currentRecord" during checking of values.
     *
     * @var array
     */
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    public $checkValue_currentRecord = [];
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    /**
     * Disable delete clause
     *
     * @var bool
     */
    protected $disableDeleteClause = false;

    /**
     * @var array
     */
    protected $checkModifyAccessListHookObjects;

    /**
     * @var array
     */
    protected $version_remapMMForVersionSwap_reg;

    /**
     * The outer most instance of \TYPO3\CMS\Core\DataHandling\DataHandler:
     * This object instantiates itself on versioning and localization ...
     *
     * @var \TYPO3\CMS\Core\DataHandling\DataHandler
     */
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    protected $outerMostInstance;
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    /**
     * Internal cache for collecting records that should trigger cache clearing
     *
     * @var array
     */
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    protected static $recordsToClearCacheFor = [];
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    /**
     * Internal cache for pids of records which were deleted. It's not possible
     * to retrieve the parent folder/page at a later stage
     *
     * @var array
     */
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    protected static $recordPidsForDeletedRecords = [];
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    /**
     * Runtime Cache to store and retrieve data computed for a single request
     *
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     * @var \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface
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     */
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    protected $runtimeCache;
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    /**
     * Prefix for the cache entries of nested element calls since the runtimeCache has a global scope.
     *
     * @var string
     */
    protected $cachePrefixNestedElementCalls = 'core-datahandler-nestedElementCalls-';

    /**
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     * Sets up the data handler cache and some additional options, the main logic is done in the start() method.
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     */
    public function __construct()
    {
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        $this->checkStoredRecords = (bool)$GLOBALS['TYPO3_CONF_VARS']['BE']['checkStoredRecords'];
        $this->checkStoredRecords_loose = (bool)$GLOBALS['TYPO3_CONF_VARS']['BE']['checkStoredRecordsLoose'];
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        $this->runtimeCache = $this->getRuntimeCache();
    }

    /**
     * @param array $control
     */
    public function setControl(array $control)
    {
        $this->control = $control;
    }

    /**
     * Initializing.
     * For details, see 'TYPO3 Core API' document.
     * This function does not start the processing of data, but merely initializes the object
     *
     * @param array $data Data to be modified or inserted in the database
     * @param array $cmd Commands to copy, move, delete, localize, versionize records.
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     * @param BackendUserAuthentication|null $altUserObject An alternative userobject you can set instead of the default, which is $GLOBALS['BE_USER']
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     */
    public function start($data, $cmd, $altUserObject = null)
    {
        // Initializing BE_USER
        $this->BE_USER = is_object($altUserObject) ? $altUserObject : $GLOBALS['BE_USER'];
        $this->userid = $this->BE_USER->user['uid'];
        $this->username = $this->BE_USER->user['username'];
        $this->admin = $this->BE_USER->user['admin'];
        if ($this->BE_USER->uc['recursiveDelete']) {
            $this->deleteTree = 1;
        }
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        // Get default values from user TSconfig
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        $tcaDefaultOverride = $this->BE_USER->getTSConfig()['TCAdefaults.'] ?? null;
        if (is_array($tcaDefaultOverride)) {
            $this->setDefaultsFromUserTS($tcaDefaultOverride);
        }

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        // Initializing default permissions for pages
        $defaultPermissions = $GLOBALS['TYPO3_CONF_VARS']['BE']['defaultPermissions'];
        if (isset($defaultPermissions['user'])) {
            $this->defaultPermissions['user'] = $defaultPermissions['user'];
        }
        if (isset($defaultPermissions['group'])) {
            $this->defaultPermissions['group'] = $defaultPermissions['group'];
        }
        if (isset($defaultPermissions['everybody'])) {
            $this->defaultPermissions['everybody'] = $defaultPermissions['everybody'];
        }
        // generates the excludelist, based on TCA/exclude-flag and non_exclude_fields for the user:
        if (!$this->admin) {
            $this->excludedTablesAndFields = array_flip($this->getExcludeListArray());
        }
        // Setting the data and cmd arrays
        if (is_array($data)) {
            reset($data);
            $this->datamap = $data;
        }
        if (is_array($cmd)) {
            reset($cmd);
            $this->cmdmap = $cmd;
        }
    }

    /**
     * Function that can mirror input values in datamap-array to other uid numbers.
     * Example: $mirror[table][11] = '22,33' will look for content in $this->datamap[table][11] and copy it to $this->datamap[table][22] and $this->datamap[table][33]
     *
     * @param array $mirror This array has the syntax $mirror[table_name][uid] = [list of uids to copy data-value TO!]
     */
    public function setMirror($mirror)
    {
        if (!is_array($mirror)) {
            return;
        }

        foreach ($mirror as $table => $uid_array) {
            if (!isset($this->datamap[$table])) {
                continue;
            }

            foreach ($uid_array as $id => $uidList) {
                if (!isset($this->datamap[$table][$id])) {
                    continue;
                }

                $theIdsInArray = GeneralUtility::trimExplode(',', $uidList, true);
                foreach ($theIdsInArray as $copyToUid) {
                    $this->datamap[$table][$copyToUid] = $this->datamap[$table][$id];
                }
            }
        }
    }

    /**
     * Initializes default values coming from User TSconfig
     *
     * @param array $userTS User TSconfig array
     */
    public function setDefaultsFromUserTS($userTS)
    {
        if (!is_array($userTS)) {
            return;
        }

        foreach ($userTS as $k => $v) {
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            $k = mb_substr($k, 0, -1);
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            if (!$k || !is_array($v) || !isset($GLOBALS['TCA'][$k])) {
                continue;
            }

            if (is_array($this->defaultValues[$k])) {
                $this->defaultValues[$k] = array_merge($this->defaultValues[$k], $v);
            } else {
                $this->defaultValues[$k] = $v;
            }
        }
    }

    /**
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     * Dummy method formerly used for file handling.
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     *
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     * @deprecated since TYPO3 v10.0, will be removed in TYPO3 v11.0.
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     */
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    public function process_uploads()
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    {
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        trigger_error('DataHandler->process_uploads() will be removed in TYPO3 v11.0.', E_USER_DEPRECATED);
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    }

    /*********************************************
     *
     * HOOKS
     *
     *********************************************/
    /**
     * Hook: processDatamap_afterDatabaseOperations
     * (calls $hookObj->processDatamap_afterDatabaseOperations($status, $table, $id, $fieldArray, $this);)
     *
     * Note: When using the hook after INSERT operations, you will only get the temporary NEW... id passed to your hook as $id,
     * but you can easily translate it to the real uid of the inserted record using the $this->substNEWwithIDs array.
     *
     * @param array $hookObjectsArr (reference) Array with hook objects
     * @param string $status (reference) Status of the current operation, 'new' or 'update
     * @param string $table (reference) The table currently processing data for
     * @param string $id (reference) The record uid currently processing data for, [integer] or [string] (like 'NEW...')
     * @param array $fieldArray (reference) The field array of a record
     */
    public function hook_processDatamap_afterDatabaseOperations(&$hookObjectsArr, &$status, &$table, &$id, &$fieldArray)
    {
        // Process hook directly:
        if (!isset($this->remapStackRecords[$table][$id])) {
            foreach ($hookObjectsArr as $hookObj) {
                if (method_exists($hookObj, 'processDatamap_afterDatabaseOperations')) {
                    $hookObj->processDatamap_afterDatabaseOperations($status, $table, $id, $fieldArray, $this);
                }
            }
        } else {
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            $this->remapStackRecords[$table][$id]['processDatamap_afterDatabaseOperations'] = [
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                'status' => $status,
                'fieldArray' => $fieldArray,
                'hookObjectsArr' => $hookObjectsArr
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            ];
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        }
    }

    /**
     * Gets the 'checkModifyAccessList' hook objects.
     * The first call initializes the accordant objects.
     *
     * @return array The 'checkModifyAccessList' hook objects (if any)
     * @throws \UnexpectedValueException
     */
    protected function getCheckModifyAccessListHookObjects()
    {
        if (!isset($this->checkModifyAccessListHookObjects)) {
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            $this->checkModifyAccessListHookObjects = [];
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            foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_tcemain.php']['checkModifyAccessList'] ?? [] as $className) {
                $hookObject = GeneralUtility::makeInstance($className);
                if (!$hookObject instanceof DataHandlerCheckModifyAccessListHookInterface) {
                    throw new \UnexpectedValueException($className . ' must implement interface ' . DataHandlerCheckModifyAccessListHookInterface::class, 1251892472);
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                }
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                $this->checkModifyAccessListHookObjects[] = $hookObject;
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            }
        }
        return $this->checkModifyAccessListHookObjects;
    }

    /*********************************************
     *
     * PROCESSING DATA
     *
     *********************************************/
    /**
     * Processing the data-array
     * Call this function to process the data-array set by start()
     *
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     * @return bool|void
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     */
    public function process_datamap()
    {
        $this->controlActiveElements();

        // Keep versionized(!) relations here locally:
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        $registerDBList = [];
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        $this->registerElementsToBeDeleted();
        $this->datamap = $this->unsetElementsToBeDeleted($this->datamap);
        // Editing frozen:
        if ($this->BE_USER->workspace !== 0 && $this->BE_USER->workspaceRec['freeze']) {
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            $this->newlog('All editing in this workspace has been frozen!', 1);
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            return false;
        }
        // First prepare user defined objects (if any) for hooks which extend this function:
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        $hookObjectsArr = [];
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        foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_tcemain.php']['processDatamapClass'] ?? [] as $className) {
            $hookObject = GeneralUtility::makeInstance($className);
            if (method_exists($hookObject, 'processDatamap_beforeStart')) {
                $hookObject->processDatamap_beforeStart($this);
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            }
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            $hookObjectsArr[] = $hookObject;
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        }
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        // Pre-process data-map and synchronize localization states
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        $this->datamap = GeneralUtility::makeInstance(SlugEnricher::class)->enrichDataMap($this->datamap);
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        $this->datamap = DataMapProcessor::instance($this->datamap, $this->BE_USER)->process();
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        // Organize tables so that the pages-table is always processed first. This is required if you want to make sure that content pointing to a new page will be created.
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        $orderOfTables = [];
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        // Set pages first.
        if (isset($this->datamap['pages'])) {
            $orderOfTables[] = 'pages';
        }
        $orderOfTables = array_unique(array_merge($orderOfTables, array_keys($this->datamap)));
        // Process the tables...
        foreach ($orderOfTables as $table) {
            // Check if
            //	   - table is set in $GLOBALS['TCA'],
            //	   - table is NOT readOnly
            //	   - the table is set with content in the data-array (if not, there's nothing to process...)
            //	   - permissions for tableaccess OK
            $modifyAccessList = $this->checkModifyAccessList($table);
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            if (!$modifyAccessList) {
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                $this->log($table, 0, 2, 0, 1, 'Attempt to modify table \'%s\' without permission', 1, [$table]);
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            }
            if (!isset($GLOBALS['TCA'][$table]) || $this->tableReadOnly($table) || !is_array($this->datamap[$table]) || !$modifyAccessList) {
                continue;
            }

            if ($this->reverseOrder) {
                $this->datamap[$table] = array_reverse($this->datamap[$table], 1);
            }
            // For each record from the table, do:
            // $id is the record uid, may be a string if new records...
            // $incomingFieldArray is the array of fields
            foreach ($this->datamap[$table] as $id => $incomingFieldArray) {
                if (!is_array($incomingFieldArray)) {
                    continue;
                }
                $theRealPid = null;

                // Hook: processDatamap_preProcessFieldArray
                foreach ($hookObjectsArr as $hookObj) {
                    if (method_exists($hookObj, 'processDatamap_preProcessFieldArray')) {
                        $hookObj->processDatamap_preProcessFieldArray($incomingFieldArray, $table, $id, $this);
                    }
                }
                // ******************************
                // Checking access to the record
                // ******************************
                $createNewVersion = false;
                $recordAccess = false;
                $old_pid_value = '';
                // Is it a new record? (Then Id is a string)
                if (!MathUtility::canBeInterpretedAsInteger($id)) {
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                    // Get a fieldArray with tca default values
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                    $fieldArray = $this->newFieldArray($table);
                    // A pid must be set for new records.
                    if (isset($incomingFieldArray['pid'])) {
                        $pid_value = $incomingFieldArray['pid'];
                        // Checking and finding numerical pid, it may be a string-reference to another value
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                        $canProceed = true;
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                        // If a NEW... id
905
                        if (strpos($pid_value, 'NEW') !== false) {
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                            if ($pid_value[0] === '-') {
                                $negFlag = -1;
                                $pid_value = substr($pid_value, 1);
                            } else {
                                $negFlag = 1;
                            }
                            // Trying to find the correct numerical value as it should be mapped by earlier processing of another new record.
                            if (isset($this->substNEWwithIDs[$pid_value])) {
                                if ($negFlag === 1) {
                                    $old_pid_value = $this->substNEWwithIDs[$pid_value];
                                }
                                $pid_value = (int)($negFlag * $this->substNEWwithIDs[$pid_value]);
                            } else {
919
                                $canProceed = false;
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                            }
                        }
                        $pid_value = (int)$pid_value;
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                        if ($canProceed) {
                            $fieldArray = $this->resolveSortingAndPidForNewRecord($table, $pid_value, $fieldArray);
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                        }
                    }
                    $theRealPid = $fieldArray['pid'];
                    // Now, check if we may insert records on this pid.
                    if ($theRealPid >= 0) {
                        // Checks if records can be inserted on this $pid.
931
                        // If this is a page translation, the check needs to be done for the l10n_parent record
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                        if ($table === 'pages' && $incomingFieldArray[$GLOBALS['TCA'][$table]['ctrl']['languageField']] > 0 && $incomingFieldArray[$GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']] > 0) {
                            $recordAccess = $this->checkRecordInsertAccess($table, $incomingFieldArray[$GLOBALS['TCA'][$table]['ctrl']['transOrigPointerField']]);
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                        } else {
                            $recordAccess = $this->checkRecordInsertAccess($table, $theRealPid);
                        }
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                        if ($recordAccess) {
                            $this->addDefaultPermittedLanguageIfNotSet($table, $incomingFieldArray);
                            $recordAccess = $this->BE_USER->recordEditAccessInternals($table, $incomingFieldArray, true);
                            if (!$recordAccess) {
941
                                $this->newlog('recordEditAccessInternals() check failed. [' . $this->BE_USER->errorMsg . ']', 1);
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                            } elseif (!$this->bypassWorkspaceRestrictions) {
                                // Workspace related processing:
944
945
                                // If LIVE records cannot be created due to workspace restrictions, prepare creation of placeholder-record
                                if (!$this->BE_USER->workspaceAllowsLiveEditingInTable($table)) {
946
                                    if (BackendUtility::isTableWorkspaceEnabled($table)) {
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                                        $createNewVersion = true;
                                    } else {
                                        $recordAccess = false;
950
                                        $this->newlog('Record could not be created in this workspace in this branch', 1);
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                                    }
                                }
                            }
                        }
                    } else {
956
                        $this->logger->debug('Internal ERROR: pid should not be less than zero!');
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                    }
                    // Yes new record, change $record_status to 'insert'
                    $status = 'new';
                } else {
                    // Nope... $id is a number
962
                    $fieldArray = [];
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                    $recordAccess = $this->checkRecordUpdateAccess($table, $id, $incomingFieldArray, $hookObjectsArr);
                    if (!$recordAccess) {
                        if ($this->enableLogging) {
                            $propArr = $this->getRecordProperties($table, $id);
967
                            $this->log($table, $id, 2, 0, 1, 'Attempt to modify record \'%s\' (%s) without permission. Or non-existing page.', 2, [$propArr['header'], $table . ':' . $id], $propArr['event_pid']);
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                        }
                        continue;
                    }
                    // Next check of the record permissions (internals)
                    $recordAccess = $this->BE_USER->recordEditAccessInternals($table, $id);
                    if (!$recordAccess) {
974
                        $this->newlog('recordEditAccessInternals() check failed. [' . $this->BE_USER->errorMsg . ']', 1);
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                    } else {
                        // Here we fetch the PID of the record that we point to...
977
                        $tempdata = $this->recordInfo($table, $id, 'pid' . (BackendUtility::isTableWorkspaceEnabled($table) ? ',t3ver_oid,t3ver_wsid,t3ver_stage' : ''));
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                        $theRealPid = $tempdata['pid'];
                        // Use the new id of the versionized record we're trying to write to:
                        // (This record is a child record of a parent and has already been versionized.)
981
                        if (!empty($this->autoVersionIdMap[$table][$id])) {
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                            // For the reason that creating a new version of this record, automatically
                            // created related child records (e.g. "IRRE"), update the accordant field:
                            $this->getVersionizedIncomingFieldArray($table, $id, $incomingFieldArray, $registerDBList);
                            // Use the new id of the copied/versionized record:
                            $id = $this->autoVersionIdMap[$table][$id];
                            $recordAccess = true;
                        } elseif (!$this->bypassWorkspaceRestrictions && ($errorCode = $this->BE_USER->workspaceCannotEditRecord($table, $tempdata))) {
                            $recordAccess = false;
                            // Versioning is required and it must be offline version!
                            // Check if there already is a workspace version
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                            $workspaceVersion = BackendUtility::getWorkspaceVersionOfRecord($this->BE_USER->workspace, $table, $id, 'uid,t3ver_oid');
                            if ($workspaceVersion) {
                                $id = $workspaceVersion['uid'];
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                                $recordAccess = true;
                            } elseif ($this->BE_USER->workspaceAllowAutoCreation($table, $id, $theRealPid)) {
                                // new version of a record created in a workspace - so always refresh pagetree to indicate there is a change in the workspace
                                $this->pagetreeNeedsRefresh = true;

1000
                                /** @var DataHandler $tce */