Here is a list of all struct and union fields with links to the structures/unions they belong to:

- u -

• uminus() : Matrix
• unassignObjectFromCoupon() : ilPaymentCoupons
• unassignObjects() : ilPaymentCouponGUI
• unbind() : ilLDAPQuery
• unblock() : ilChatBlockedUsers
• unblockUsersObject() : ilObjChatGUI
• undeleteObject() : ilObject2GUI , ilObjectGUI
• UNDERLINE_DOUBLE : PHPExcel_Style_Font
• UNDERLINE_DOUBLEACCOUNTING : PHPExcel_Style_Font
• UNDERLINE_NONE : PHPExcel_Style_Font
• UNDERLINE_SINGLE : PHPExcel_Style_Font
• UNDERLINE_SINGLEACCOUNTING : PHPExcel_Style_Font
• undo() : ilXHTMLPage
• unfoldQuestionblockObject() : ilObjSurveyGUI
• unfoldQuestionblocks() : ilObjSurvey
• unfreezePane() : PHPExcel_Worksheet
• unichr() : HTMLPurifier_Encoder
• uninstall() : ilObjLanguage
• uninstallObject() : ilObjLanguageFolderGUI
• uniqPrefix() : Parser
• UNIQUE_CONDITIONS : ilConditionHandler
• unique_multi_array() : ilUtil
• uniqueTypesCheck() : ilLMObject , ilSCORM2004Node
• unix2Mdbstamp() : MDB2_Date
• unix_to_duration() : ilBMFType_duration
• unixTimestamp() : ilDB , ilDBOracle
• unixtimestamp2datetime() : ilFormat
• unkickUserAsyncObject() : ilObjChatGUI
• unlink() : php4DOMElement
• unlink_node() : php4DOMNode
• unlinkFile() : ilFileDataMail , ilFileDataExercise , ilFileDataForum , ilFileDataShop
• unlinkFiles() : ilFileDataMail , ilFileDataExercise , ilFileDataForum
• unlinkFilesByMD5Filenames() : ilFileDataForum
• unlinkLast() : ilFileDataImportGroup , ilFileDataImportMail , ilFileDataImportForum
• unloadSahs() : ilSAHSPresentationGUI , ilSCORMPresentationGUI
• UNLOCK() : ilDAVServer
• unlockBillObjectsInShoppingCart() : ilPaymentShoppingCartGUI , ilShopShoppingCartGUI
• unlockBMFObjectsInShoppingCart() : ilPaymentShoppingCartGUI , ilShopShoppingCartGUI
• unlockPAYPALObjectsInShoppingCart() : ilPaymentShoppingCartGUI , ilShopShoppingCartGUI
• unlockTables() : ilDB , ilDBMySQL , ilDBOracle , ilDBPostgreSQL
• unlockWithoutCheckingDAV() : ilDAVLocks
• unmakeSticky() : ilForumTopic
• unmaskAttributeTag() : ilUtil
• unmaskSecureTags() : ilUtil
• unmaskTag() : ilUtil
• unmergeCells() : PHPExcel_Worksheet
• unmergeCellsByColumnAndRow() : PHPExcel_Worksheet
• unpack() : HTMLPurifier_AttrDef_URI_Email
• unpackImportFile() : ilFileDataGroup , ilFileDataCourse
• unprotectCells() : PHPExcel_Worksheet
• unprotectCellsByColumnAndRow() : PHPExcel_Worksheet
• unquote() : ilCSVReader
• unregister() : ilEventParticipants
• unregisterObject() : ilObjSessionGUI
• unregisterUser() : ilnetucateXMLAPI , ilObjiLincCourse
• unregisterUsers() : ilObjiLincCourse
• unserializeData() : ilCheckboxInputGUI , ilDateTimeInputGUI , ilFormPropertyGUI
• unsetAccessCodeSession() : ilObjTest
• unsetHeader() : soap_transport_http
• unsetSession() : ilObjectCopyGUI
• unstrip() : Parser
• unstripBoth() : StripState
• unstripForHTML() : Parser
• unstripGeneral() : StripState
• unstripNoWiki() : Parser , StripState
• unsubscribeNews() : ilNewsForContextBlockGUI
• unsubscribeObject() : ilObjCourseGUI , ilObjGroupGUI
• Unsynchronise() : getid3_write_id3v2
• unzip() : ilFileDataImportGroup , ilFileDataImportMail , ilFileDataImportForum , ilUtil , ilSetup
• unzipFile() : ilFileSystemGUI
• upanswers() : SurveyMultipleChoiceQuestionGUI , SurveySingleChoiceQuestionGUI , assOrderingQuestionGUI
• upcolumns() : SurveyMatrixQuestionGUI
• update() : ilGlossaryTerm , ilMDContribute , ilMDDescription , ilObjGlossary , ilMDEducational , ilMDEntity , ilObjGroup , ilMDFormat , ilMDGeneral , ilObjFileBasedLM , ilMDIdentifier , ilMDIdentifier_ , ilObjFileBasedLMGUI , ilMDKeyword , ilMDLanguage , ilObjiLincClassroom , ilMDLifecycle , ilMDLocation , ilObjiLincCourse , ilMDMetaMetadata , ilMDRelation , ilObjiLincUser , ilMDRequirement , ilMDRights , ilLMMenuEditor , ilMDTaxon , ilMDTaxonPath , ilLMObject , ilMDTechnical , ilMDTypicalAgeRange , ilObjContentObject , ilNewsItemGen , ilObjNewsSettings , ilObjLearningResourcesSettings , ilNote , ilObject2 , ilObjMediaCast , ilObjPaymentSettings , ilShopNewsGUI , ilObjMediaCastSettings , ilShopNewsItem , ilShopVats , ilMediaPoolItem , HTTP_Request_Listener , ilBookmark , ilMediaPoolPage , ilBookmarkFolder , ilObjPersonalDesktopSettings , ilObjMediaPool , ilObjSearchSettings , ilSearchCommandQueue , ilObjMediaPoolGUI , ilSearchSettings , ilObjStyleSettings , ilObjRemoteCourse , ilObjStyleSheet , ilObjStyleSheetFolder , ilSCORM2004Node , ilPageLayout , ilObjTaggingSettings , ilSCORM2004Page , ilLPFilter , ilLPMarks , ilSCORM2004Item , ilLPObjSettings , ilObjUser , ilSCORM2004SeqNode , ilUserDefinedData , ilUserDefinedFields , ilAICCCourse , ilObjDiskQuotaSettings , ilObjFileAccessSettings , ilAICCObject , ilObjNull , ilECSCategoryMappingRule , ilAICCUnit , ilECSEventQueueReader , ilRPCServerSettings , ilObjSAHSLearningModule
• UPDATE : ilSearchCommandQueueElement
• update() : ilSCORMItem , ilSCORMManifest , ilSCORMObject , ilSCORMOrganization , ilSCORMOrganizations , ilSCORMResource , ilSCORMResources , ilEventItems , ilEventRecurrence , ilObjSession , ilSessionAppointment , ilSessionRecurrence , ilObjSurvey , ilObjSurveyAdministration , ilObjSurveyQuestionPool , ilObjAssessmentFolder , ilObjTest , ilObjQuestionPool , ilLinkResourceItems , ilObjLinkResource , ilObjWiki , ilWikiPage , ilPaymentBillAdminGUI , ilPaymentBillVendor , ilPaymentBookings , ilPaymentCoupons , ilPaymentObject , ilPaymentPrices , ilPaymentShoppingCart , ilPaymentTrusteeGUI , ilPaymentVendors , ilObjRole , ilObjAccessibilitySettings , ilObjExternalToolsSettings , ilObjRecoveryFolder , ilObjAdvancedEditing , ilAdvancedMDFieldDefinition , ilAdvancedMDRecord , ilAdvancedMDSubstitution , ilObjAuthSettings , ilShibbolethRoleAssignmentRule , ilCustomBlock , ilExternalFeedBlock , ilHtmlBlock , ilCalendarAppointmentGUI , ilCalendarCategory , ilCalendarCategoryGUI , ilCalendarEntry , ilCalendarRecurrence , ilObjComponentSettings , ilPlugin , ilMailingList , ilContainer , ilContainerSortingSettings , ilContainerReference , ilPageObject , ilPCDataTableGUI , ilObject , ilPCMapGUI , ilPCParagraphGUI , ilObj< module_name > , ilPCPluggedGUI , ilPCResourcesGUI , ilChatServerConfig , ilPCSectionGUI , ilPCSourcecodeGUI , ilCourseItemAdministrationGUI , ilPCTabsGUI , ilDB , ilCourseItems , ilFeedback , ilFeedbackGUI , ilCourseObjective , ilLDAPRoleAssignmentRule , ilLDAPServer , ilObjCourse , ilLicense , ilMapArea , ilObjCourseGrouping , ilMediaItem , ilObjMediaObject , ilObjCourseGroupingGUI , ilObjMediaObjectsSettings , ilMDAnnotation , ilCourseDefinedFieldDefinition , ilMDBase , ilMDClassification , ilCourseUserData , ilMDContribute , ilMDCopyrightSelectionEntry , ilTimingAccepted , ilMDDescription , ilMDEducational , ilTimingPlaned , ilMDEntity , ilMDFormat , ilObjExercise , ilMDGeneral , ilMDIdentifier , ilObjExternalFeed , ilMDIdentifier_ , ilMDKeyword , ilObjExternalFeedGUI , ilMDLanguage , ilMDLifecycle , ilObjFile , ilMDLocation , ilMDMetaMetadata , ilForumPost , ilMDRelation , ilMDRequirement , ilForumProperties , ilMDRights , ilMDTaxon , ilForumTopic , ilMDTaxonPath , ilMDTechnical , ilObjForum , ilMDTypicalAgeRange , ilMDAnnotation , ilGlossaryDefinition , ilMDBase , ilMDClassification
• UPDATE_ALL : ilECSContentWriter
• UPDATE_SETTINGS_ONLY : ilECSContentWriter
• updateActive() : ilLinkResourceItems
• updateActiveStatus() : ilLMMenuEditor
• updateAdminStatusObject() : ilObjCourseGUI
• updateAnnotation() : ilMDEditorGUI
• updateAppliedUsersObject() : ilObjUserFolderGUI
• updateArchiveNews() : ilShopNewsGUI
• updateAreas() : ilPCImageMapEditorGUI , ilImageMapEditorGUI
• updateAssignments() : ilShibbolethRoleAssignmentRules
• updateAuthModeDeterminationObject() : ilObjAuthSettingsGUI
• updateAuthRolesObject() : ilObjAuthSettingsGUI
• updateBasicSettings() : ilSetupGUI
• updateBlock() : ilColumnGUI
• updateBlocked() : ilParticipants
• updateBlockvariablelist() : HTML_Template_ITX
• updateBookmark() : ilBookmarkAdministrationGUI
• updateBookmarkFolder() : ilBookmarkAdministrationGUI
• updateCastItemObject() : ilObjMediaCastGUI
• updateCategory() : ilCalendarAppEventListener
• updateCategoryMapping() : ilECSSettingsGUI
• updateCellReference() : PHPExcel_ReferenceHelper
• updateClassification() : ilMDEditorGUI
• updateClassroom() : ilObjiLincClassroomGUI
• updateClassrooms() : ilObjiLincCourse
• updateClozeTextFromGaps() : assClozeTest
• updateColor() : ilObjStyleSheet
• updateColorObject() : ilObjStyleSheetGUI
• updateCommunities() : ilECSSettingsGUI
• updateCondition() : ilConditionHandler , ilConditionHandlerInterface
• updateConstraint() : ilObjSurvey
• UpdateCookies() : soap_client , nusoap_client
• updateCourse() : ilSoapFunctions , ilSoapCourseAdministration
• updateCourseIconsObject() : ilObjCourseGUI
• updateDatabase() : ilPlugin , ilSetupGUI
• updateDetails() : ilPaymentObjectGUI
• updateDisableCheck() : ilLinkResourceItems
• updateDiskUsageStatistics() : ilCronDiskQuotaCheck
• updateDomContent() : ilNestedSetXML
• updateDomNode() : ilNestedSetXML
• updateDraft() : ilMail
• updateECSContent() : ilECSContentWriter , ilObjCourse
• updateECSExportSettings() : ilObjCourseGUI
• updateEducational() : ilMDEditorGUI
• updateEntry() : ilObjMDSettingsGUI , ilAddressbook
• updateExercise() : ilSoapExerciseAdministration , ilSoapFunctions
• updateExpanded() : ilHierarchyFormGUI
• updateFeedBlock() : ilExternalFeedBlockGUIGen
• updateField() : ilCourseUserFieldsGUI , ilAdvancedMDSettingsGUI
• updateFields() : ilAdvancedMDSettingsGUI
• updateFieldsObject() : ilObjUserFolderGUI
• updateFile() : ilExerciseXMLParser , ilSoapFileAdministration , ilSoapFunctions
• updateFileContents() : ilFileXMLParser
• updateFinalTestAssignment() : ilCourseObjectivesGUI
• updateFinalTestLimits() : ilCourseObjectivesGUI
• updateFolder() : ilObjMediaPoolGUI
• updateFormulaReferences() : PHPExcel_ReferenceHelper
• updateFromDom() : ilNestedSetXML
• updateFromECSContent() : ilObjRemoteCourse
• updateFromPost() : ilWebResourceEditableLinkTableGUI
• updateFromXML() : ilPageObject
• updateGeneral() : ilMDEditorGUI
• updateGroup() : ilSoapGroupAdministration , ilSoapFunctions
• updateGroupIconsObject() : ilObjGroupGUI
• updateGroupType() : ilObjGroup
• updateGroupTypeObject() : ilObjGroupGUI
• updateHidden() : ilLPFilterGUI
• updateHistory() : ilLMPageObjectGUI
• updateHtmlBlock() : ilHtmlBlockGUIGen
• updateIdle() : Auth
• updateInfoObject() : ilObjCategoryGUI , ilObjCourseGUI , ilObjGroupGUI
• updateInternalLinks() : ilLMObject
• updateJSON() : ilECSContentWriter
• updateLangEntry() : ilObjLanguage , ilLanguage
• updateLanguages() : ilPlugin
• updateLastAccess() : ilObjForum
• updateLastCheck() : ilLinkResourceItems
• updateLastVisit() : ilChatRoom
• updateLicense() : ilLicenseGUI
• updateLifecycle() : ilMDEditorGUI
• updateLimits() : ilCourseObjectiveQuestion
• updateLinkObject() : ilObjLinkResourceGUI
• updateLinksObject() : ilObjLinkResourceGUI
• updateLockWithoutCheckingDAV() : ilDAVLocks
• updateLockWithoutCheckingObj() : ilDAVLocks
• updateLogin() : ilObjUser
• updateMailPreferences() : ilUserImportParser
• updateMailsOfDeletedUser() : ilMailbox
• updateMarking() : ilExerciseXMLParser
• updateMasterSettings() : ilSetup
• updateMaterialAssignment() : ilCourseObjectivesGUI
• updateMediaItem() : ilObjMediaCastGUI
• updateMediaPoolPage() : ilObjMediaPoolGUI
• updateMember() : ilExerciseXMLParser
• updateMemberObject() : ilObjCourseGUI
• updateMembersObject() : ilObjSessionGUI , ilObjExerciseGUI , ilObjCourseGUI , ilObjGroupGUI
• updateMemberStatusObject() : ilObjCourseGUI , ilObjiLincCourseGUI
• updateMenuEntry() : ilObjContentObjectGUI
• updateMetaData() : ilObjQuestionPool , ilObjMediaObject , ilObject2 , ilObject , ilSCORM2004Node , ilObjFile , ilLMObject , ilGlossaryDefinition
• updateMetaMetaData() : ilMDEditorGUI
• updateNamedFormulas() : PHPExcel_ReferenceHelper
• updateNewClient() : ilSetup
• updateNews() : ilShopNewsGUI
• updateNewsItem() : ilNewsItemGUIGen , ilNewsItemGUI
• updateNIC() : ilClient
• updateNote() : ilNoteGUI
• updateNotification() : ilParticipants
• updateObject() : ilObjUserGUI , ilObjSessionGUI , ilObjiLincCourseGUI , ilObjSurveyQuestionPoolGUI , ilObjStyleSheetGUI , ilObjFolderGUI , ilObjQuestionPoolGUI , ilObjForumGUI , ilObject2GUI , ilObjRoleTemplateGUI , ilObjRootFolderGUI , ilObjRemoteCourseGUI , ilObjCourseGUI , ilObjectGUI , ilObjCategoryGUI , ilObjChatServerGUI , ilObjExerciseGUI , ilObjGroupGUI , ilObjRoleGUI , ilContainerReferenceGUI , ilObjMediaPoolGUI , ilObjFileGUI
• updateObject2() : ilObjRoleGUI
• updateObjectDetailsObject() : ilObjPaymentSettingsGUI
• updateObjective() : ilSCORM2004Objective
• updateObjectOld() : ilObjUserGUI
• updateObjectReference() : ilPCMediaObject
• updateObjects() : ilSoapFunctions , ilSoapObjectAdministration
• updateObjectTitle() : ilMediaPoolItem
• updateOperationStack() : ilObjRole
• updateOptions() : ilMailOptions
• updateOwner() : ilObject2 , ilObject
• updateParticipantsStatus() : ilObjCourseGUI
• updateParticipation() : ilEventParticipants
• updatePassed() : ilCourseParticipants
• updatePassword() : ilObjUser , ilSoapUserAdministration , ilSoapFunctions
• updatePlugin() : ilObjComponentSettingsGUI
• updatePluginDB() : ilObjComponentSettingsGUI
• updatePolicyStack() : ilObjRole
• updatePost() : ilForum
• updatePrice() : ilPaymentObjectGUI
• updatePriceObject() : ilObjPaymentSettingsGUI
• updateProperties() : ilObjContentObject , ilSCORM2004ScoGUI , ilPageLayoutGUI
• updateQuickEdit() : ilMDEditorGUI
• updateQuickEdit_scorm() : ilMDEditorGUI
• updateQuickEdit_scorm_prop_designer() : ilMDEditorGUI
• updateQuickEdit_scorm_prop_expert() : ilMDEditorGUI
• updateQuickEdit_scorm_prop_poc() : ilMDEditorGUI
• updateQuickEdit_scorm_propagate() : ilMDEditorGUI
• updateRecord() : ilAdvancedMDSettingsGUI
• updateRecords() : ilAdvancedMDSettingsGUI
• updateReferences() : ilSoapObjectAdministration
• updateRelation() : ilMDEditorGUI
• updateRequired() : ilAuthContainerLDAP
• updateResource() : ilECSConnector
• updateRights() : ilMDEditorGUI
• updateRoleAssignment() : ilLDAPSettingsGUI
• updateRoleAssignmentRule() : ilAuthShibbolethSettingsGUI
• updateRoleAssignments() : ilParticipants
• updateRoles() : ilRegistrationSettingsGUI
• updateSelectFieldObject() : ilObjUserFolderGUI
• updateSelfAssessmentAssignment() : ilCourseObjectivesGUI
• updateSelfAssessmentLimits() : ilCourseObjectivesGUI
• updateSequencingSettings() : ilObjSCORM2004LearningModule
• updateSettings() : ilObjUserTracking , ilObjCourse
• updateSettingsObject() : ilObjSearchSettingsGUI
• updateShortText() : ilGlossaryDefinition
• updateSmiliesObject() : ilObjChatServerGUI
• updateSocialBookmarkObject() : ilObjExternalToolsSettingsGUI
• updateStatistic() : ilPaymentStatisticGUI
• updateStatisticObject() : ilObjPaymentSettingsGUI
• updateStatus() : ilChatServerConfig
• updateStatusObject() : ilObjGroupGUI
• updateStatusTimeForMember() : ilExerciseMembers
• updateStyleParameter() : ilObjStyleSheet
• updateSubject() : ilParticipants
• updateSubscriptionRequest() : ilRegistrationGUI
• updateSubscriptionTime() : ilParticipants , ilWaitingList
• updateSubstitutions() : ilAdvancedMDSettingsGUI
• updateSuggestedSolutions() : assQuestion
• updateTagStyleObject() : ilObjStyleSheetGUI
• updateTechnical() : ilMDEditorGUI
• updateTemplate() : ilObjStyleSheet
• updateTemplateObject() : ilObjStyleSheetGUI
• updateTerm() : ilObjGlossaryGUI , ilGlossaryTermGUI
• updateTest() : ilCourseObjectiveQuestion
• updateTextFieldObject() : ilObjUserFolderGUI
• updateThread() : ilForum
• updateTimings() : ilCourseContentGUI
• updateTranslation() : ilObjCategory
• updateTutorDownloadTime() : ilExerciseMembers
• updateTutorStatusObject() : ilObjCourseGUI
• updateUser() : ilSoapUserAdministration , ilAuthContainerECS , ilLPListOfObjectsGUI , ilEventParticipants , ilSoapFunctions
• updateUserDefinedFields() : ilObjUser
• updateUserFilter() : ilAuthContainerLDAP
• updateUserTimings() : ilCourseContentGUI
• updateValid() : ilLinkResourceItems
• updateValidByCheck() : ilLinkResourceItems
• updateVatObject() : ilObjPaymentSettingsGUI
• updateVisits() : ilForum , ilForumTopic
• updateWorkingTime() : ilTestOutputGUI , ilObjTest
• updateWysiwygFieldObject() : ilObjUserFolderGUI
• upload() : ilObjSAHSLearningModuleGUI , ilPCSourcecodeGUI
• upload_source() : ilPCSourcecodeGUI
• uploadanswers() : assOrderingQuestionGUI
• uploadBackgroundImage() : ilObjCertificateSettings , ilCertificate
• uploadchoice() : assSingleChoiceGUI , assMultipleChoiceGUI
• uploaddefinitions() : assMatchingQuestionGUI
• uploadFile() : ilFileSystemGUI , ilMailAttachmentGUI
• uploadFileObject() : ilObjExerciseGUI , ilObjMediaObjectGUI
• uploadImage() : ilObjStyleSheet
• uploadImagemap() : assImagemapQuestion
• uploadImageObject() : ilObjStyleSheetGUI
• uploadObject() : ilObjSAHSLearningModuleGUI , ilObjSurveyGUI , ilObjMailGUI , ilObjLanguageExtGUI , ilObjQuestionPoolGUI , ilObjTestGUI
• uploadPicture() : ilnetucateXMLAPI , ilObjiLincCourse
• uploadQplObject() : ilObjQuestionPoolGUI
• uploadQuestionsObject() : ilObjSurveyQuestionPoolGUI
• uploadSmileyObject() : ilObjChatServerGUI
• uploadSplObject() : ilObjSurveyQuestionPoolGUI
• uploadterms() : assMatchingQuestionGUI
• uploadTstObject() : ilObjTestGUI
• uploadUserPicture() : ilPersonalProfileGUI
• uploadUserPictureObject() : ilObjUserGUI
• uploadZipObject() : ilObjExerciseGUI
• upper() : MDB2_Driver_Function_Common
• UPPERCASE() : PHPExcel_Calculation_Functions
• uprows() : SurveyMatrixQuestionGUI
• UPTO() : Log
• url() : Session
• usableForPrecondition() : SurveyQuestion , SurveyMetricQuestion , SurveyMatrixQuestion , SurveyTextQuestion , SurveySingleChoiceQuestion , SurveyMultipleChoiceQuestion
• useCache() : ilTree , ilCalendarSettings
• useHTTPPersistentConnection() : soap_client , nusoap_client , soap_client , nusoap_client
• useLangVariablesAsFallback() : ilAccountMail , ilDiskQuotaReminderMail
• useNewEditorObject() : ilContainerGUI
• usePersistentConnection() : soap_transport_http
• usePurifier() : ilTextAreaInputGUI
• userAction() : ilAdminUserSearchGUI
• userActionObject() : ilObjUserFolderGUI
• userassignmentObject() : ilObjRoleGUI
• userCan() : Title
• userCanCreate() : Title
• userCanEdit() : Title
• userCanEditCssJsSubpage() : Title
• userCanMove() : Title
• userCanRead() : Title
• useRelativeDates() : ilDatePresentation
• userExists() : ilObjiLincCourse
• userFilter() : ilRepositorySearchGUI
• userIsWatching() : Title
• userLogin() : ilnetucateXMLAPI , ilObjiLincCourse
• userLookupFullName() : ilObjTest
• userMapping() : ilLDAPSettingsGUI
• userSettingEnabled() : ilPersonalProfileGUI
• userSettingVisible() : ilUserProfile , ilPersonalProfileGUI
• usersToXML() : ilLDAPAttributeToUser
• userToString() : ilMailNotification
• useUnits() : ilCSSRectInputGUI
• UTC : ilTimeZone
• utf162utf8() : Services_JSON
• utf82utf16() : Services_JSON
• utf8_encode() : ilFileUtils
• UTF8toBIFF8UnicodeLong() : PHPExcel_Shared_String
• UTF8toBIFF8UnicodeShort() : PHPExcel_Shared_String