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库存管理系统英文版毕业论文CHAPTERIINTRIDUCTIONIntroductionInventorymanagementistheprocessofefficientlyoverseeingtheconstantflowofunitsintoandoutofanexistinginventoryThisprocessusuallyinvolvescontrollingthetransferinofunitsinordertopreventtheinventoryfrombecomingtoohighordwindlingtolevelsthatcouldputtheoperationofthecompanyintojeopardyCompetentinventorymanagementalsoseekstocontrolthecostsassociatedwiththeinventorybothfromtheperspectiveofthetotalvalueofthegoodsincludedandthetaxburdengeneratedbythecumulativevalueoftheinventoryBalancingthevarioustasksofbarcodesinccomsolutionsmarket-applicationsinventoryhtminventorymanagementmeanspayingattentiontothreekeyaspectsofanyinventoryThefirstaspecthastodowithtimeIntermsofmaterialsacquiredforinclusioninthetotalinventorythismeansunderstandinghowlongittakesforasuppliertoprocessanorderandexecuteadeliveryInventorymanagementalsodemandsthatasolidunderstandingofhowlongitwilltakeforthosematerialstotransferoutoftheinventorybeestablishedKnowingthesetwoimportantleadtimesmakesitpossibletoknowwhentoplaceanorderandhowmanyunitsmustbeorderedtokeepproductionrunningsmoothlyTheaimofthisprojectistodevelopaninventorymanagementsystemforapharmaceuticalcompanywhichwillbereferredlaterinthereportasthecompanyProblemStatementCalculatingwhatisknownasbufferstockisalsokeytoeffectiveinventorymanagementEssentiallybufferstockisadditionalunitsaboveandbeyondtheminimumnumberrequiredtomaintainproductionlevelsForexamplethemanagerforthecompanymaydeterminethatitwouldbeagoodideatokeeponeortwoextraboxesorunitsofamedicineonhandjustincaseanemergencysituationarisesordemandismorethanwhattheyhaveguessedCreatingthiscushionorbufferhelpstominimizethechanceformissingsalesordemandfromcustomersduetoalackofessentialmedicineintheoperationsupplyinventoryThemainproblemofthecompanyisthattheforecastingisnotbasedonformalmethodsorcomputerizeddataminingCurrentlythedecisiontorestocksuppliesisbasedonintuitionandexperienceAnotherproblemwiththeexistingmanualsystemisthemovementofstocksinthecompanyInventorymanagementsystemisnotlimitedtodocumentingthedeliveryofrawmaterialsandthemovementofthosematerialsintotheshelvesThemovementofthosematerialsastheygothroughthevariousstagesoftheoperationisalsoimportantTypicallyknownasagoodsinprogressinventorytrackingmaterialsastheyareusedtocreatefinishedmedicinesalsohelpstoidentifytheneedtoadjustorderingamountsbeforetherawmaterialsinventorygetsdangerouslyloworisinflatedtoanunfavorablelevelFinallyinventorymanagementhastodowithkeepingaccuraterecordsofsalesThisoftenmeanspostingthesalestotheinventorytotalsaswellassubtractingthemostrecentshipmentsoffinishedgoodstobuyersWhenthecompanyhasareturnpolicyinplacethereisusuallyasub-categorycontainedinthefinishedgoodsinventorytoaccountforanyreturnedgoodsthatarereclassifiedasrefurbishedorsecondgradequalityAccuratelymaintainingfiguresonthefinishedgoodsinventorymakesitpossibletoquicklyconveyinformationtosalespersonnelastowhatisavailableandreadyforshipmentatanygiventimeInadditiontomaintainingcontrolofthevolumeandmovementofvariousinventoriesinventorymanagementalsomakesitpossibletoprepareaccuraterecordsthatareusedforaccessinganytaxesdueoneachinventorytypeWithoutprecisedataregardingunitvolumeswithineachphaseoftheoveralloperationthecompanycannotaccuratelycalculatethetaxamountsThiscouldleadtounderpayingthetaxesdueandpossiblyincurringstiffpenaltiesintheeventofanindependentaudit13ObjectivesofProjectTheprojectobjectiveistodevelopaninventorymanagementsystemthatwillfacilitatethecompanytoeffectivelycalculatetheeconomicorderquantitytrackinggoodsinprogressinventoryandcontroloftheinventorysystemScopeofProjectThisprojectislimitedtothedevelopmentofaprototypeofaninventorymanagementsystembasedontherequirementobtainedfromthecompanyThisprojectwillconcentrateonfulfillingtheobjectiveoftheprojectwhichareCalculatetheeconomicorderquantityTrackinggoodsinprogressinventoryManagementcontroloftheinventorysystem15DevelopmentMethodologyTheadopteddevelopmentmethodologyforthisprojectisthetraditionalSystemAnalysisandDesignmethdoologywhichisfamouslyknownasthewaterfallmodelThesestagescanbecharacterizedanddividedupintothefollowingphaseProjectplanningandfeasibilitystudyEstablishesahigh-levelviewoftheintendedprojectanddeterminesitsgoalsSystemsanalysisrequirementsdefinitionDefinesprojectgoalsintodefinedfunctionsandoperationoftheintendedapplicationAnalyzesend-userinformationneedsThisstepinvolvesdemandanalysiswherethisstageneedtodeterminethreethingswhicharetheuserinterfacethedatadictionaryandusermanualsThedatadictionaryisspecifieslogicalrelationshipSystemsdesignDescribesdesiredfeaturesandoperationsindetailincludingscreenlayoutsbusinessrulesprocessdiagramspseudocodeandotherdocumentationThisisthephasethatisanimportantlevelsThedetaileddesignthespecificationshalltakespecificmoduleinthemostcleanwaytoprovidethecodermakewholesystemmodularachieveimumImplementationThisprojectusestheAppservbecausethissoftwareiseasytousePHPisusedtodevelopedthesystemandMysqlisthedatabaseTheNotepadisusedtoprogramthesystemTestingThefinalstageofinitialdevelopmentwherethesystemistestedbyrunningactualbusinessThisphasebingsallthepiecestogetherintoaspecialtestingenvironmentthenchecksforerrorsbugsandinteroperability16StructureofDissertationChapter1isintroductionoftheprojectThischapterprovidesintroductiontotheprojectresearchobjectivesscopeproblemstatementmethodologymilestoneandstructureofdissertationChapter2isanalysisofcurrentsystemThischapterreviewsexistingsystemapplicationsandmethodswhicharerelatedtotheprojectItalsoincludesthetechniquesmethodsequipmentsortechnologiesthatwillbeappliedontheprojectChapter3issystemspecificationThischapterwritesuserandsystemrequirementspecificationsoftwarespecificationanddesignsystemarchitectureChapter4issystemdesignThischapterexplainsthesystemdesignsdatabasedesignstechniquesandrelatedalgorithmstodeveloptheprojectChapter5issystemimplementationandtestingThischapterexplainsabouttheimplementationoftheWXBinventorymanagementsystemsolutionandexplainsaboutthetestingofthesystemChapter6isconclusionThischapterexplainsaboutthesummaryoftheprojectincludingadvantagesofsystemlimitationandfutureworkCHAPTERIIANALYSISANDDESIGN21UserrequirementThesystemisdesignedforlogisticsmanagementofefficientmanagementsystemthesystempowerfuloperatingsimultaneouslyandissimplerandmanagementpersonnelareinfluencedbyasystemoftrainingandabletooperateacomputersojustspendalittletimecanletthembefamiliarwiththesystemTheoverallsystemdevelopmenttaskistorealizeallkindsofinformationofthesystematicstandardizationandautomationThesystemfunctionandtheanalysisisinsystemdevelopmentonthebasisoftheoverallmissioncompleteThewarehousemanagementsystemneedstocompletemainfunctionsThewarehousemanagementofinformationinputincludingthegoodssupplierscustomerswarehouseinformationinputetcThewarehousemanagementofinformationinquirystatisticsmodifyandmaintenanceincludinggoodsdocumentsinquiresthethegoodsinandoutstaffoperationstatisticsallkindsofinformationofmodificationandmaintenanceetcLogmanagementoperationAdministratorpermissionstooperatorSystemRequirementsSpecification1FunctionalRequirementsThissystemincludestworoleswarehousemanagementandadministrationofcompetentamongthemthecompetentdepartmentwiththehighestauthorityofthewholesystemWarehouseofthemanagementstaffTheloadingandunloadinginwarehousemanagementofcanaccordingtoflowtoachieveasinglestorageoperationSpecificpermissionsareInventoryinformationmanagementLibraryforinformationmaintenanceGRNinformationmaintenanceOutboundorderinformationmaintenanceReportinformationmanagementFortheciphermodificationclearinformationsystemSettingssuchastableOurcustomerssuppliersvendorssuchaswarehousebasicinformationquerybrowsingetcWarehousedepartmentsupervisorResponsiblefortheentireinventoryofthedailyoperationandmanagementdepartmentworkmainlyincludingDepartmentinformationmaintainPersonnelinformationmanagementExaminationandapprovalReportinformationmanagementFortheciphermodificationbackingupthedatabasesystemSettings2Non-functionalRequirementsResponesForeachrequestusersendthesystemshouldreplyinnomorethan2secondUsabilityTheinterfaceshouldbefriendlyandeasylearnPortabilityThesystemcanberununderWindowsorLinuxenvironmentwhichcanbepurchasedonthemarketeasilyAndwidelyusedonwebserverenvironment22ControlDiagram4bpblogspotcom-916NBSJ0l1UTiwzO6t5YqIAAAAAAAABE4KTI3N2P8omos1600DfdDiagramForInventoryManagementSystemgifDiagramforInventoryManagementSystemrevealrelationshipsamongthebusinessprocesseswithinanorganizationtoexternalsystemsexternalorganizationscustomersotherbusinessprocessesandbetweenthevariouscomponentsinaprogramconsistsoffourmajorcomponentsExternalEntitiesTerminatorsprocessesdatastoresanddataflows-ExternalEntitiesTerminators-ThesereferorpointstotheoutsidepartsofthesystembeingdevelopedormodeledTerminatorsdependingonwhetherdataflowsintoorfromthesystemareoftencalledsinksorsourcesTheyrepresenttheinformationaswhereveritcomesfromorwhereitgoes-Processes–TheProcessescomponentmodifiestheinputsandcorrespondingoutputs-DataStores–referstoanyplaceorareaorstoragewheredatawillbeplacedwhethertemporarilyorpermanently-DataFlows–referstothewaydatawillbetransferredfromoneterminatortoanotherorthroughprocessesanddatastores2bpblogspotcom-JPS0sObZ4cITiwzLQEm7SIAAAAAAAABEwWgPICDN0gs1600DfdDiagramForInventoryManagementSystem-1gifDataflowdiagramshavereplacedflowchartsandpseudocodeasthetoolofchoiceforshowingprogramdesignADFDillustratesthosefunctionsthatmustbeperformedinaprogramaswellasthedatathatthefunctionwillneedInspiteofitsstrengththebeautyofDataflowdiagramliesonitsdependenceuponjustfoursymbolstoexpressprogramdesignAsageneralruleseverypageinaDFDshouldnotcontainmorethan10componentsSoiftherearemorethan10componentsinoneprocessesoneormorecomponentsshouldhavetobecombinedandthenmakeanotherDFDtodetailthecombinationinanotherpageLogicalflowchartexplainstheinventorycontrolprocessascarriedouttomanagetheStock-On-handandStock-On-OrderVariousdecisionblocksareusedtochecktheprocessatvariousstagessuchasOrderReceivingQualityAdjustmentsandsoonForeachSKUappropriatemodelisusedformanagingthestocklevelsMethodforfindingcorrectmodelasperSKUcharacteristicsisasdescribedinGuidelinesForInventoryModelImplementation23DataflowdiagramInventoryModeldataflowdiagramisshownaboveThedataflowdiagramisbasedupontheYourdontechniqueThistechniquewasproposedbyEdYourdonandisaverysimplebuteffectivewaytodepicttheinformationflowinsystemsThisbasicallyhelpsustopreciselyunderstandtheflowofinformationinasystemandpointouttheexactstagepersonneldepartmentresponsibleforaparticularprocessatanygiventimeSomecommonsymbolsusedareCirclesrepresentprocessesCylindersrepresentinformationdatastoresRectanglesshowaresourceRhombusisusedtoshowagateprocessArrowsshowthedirectionofdataflowAsshownintheabovediagramtheprocessisinitiatedwhenthecustomerplacesanorderHerethedatawouldconsistofdetailslikenumberofitemsdeliverydatesshipmentdetailsetcThentheinventoryischeckedwhereagaindataisfedfromadatastoreThisdatastore1keepsarecordofthehistoricaldataThedatastore2alsohasinputfromdatastore3whichkeepsthewarehouserecordslikeinventorylevelslocationetcTheinventoryischeckedforavailabilitywhichisagateprocessIfthereisavailabilitythentheitemisretrievedandtheshipmentisscheduledThecustomerreceivestheitemandprovidesfeedbackwhichagaingoesintodatastore4IfenoughinventoryisnotavailablethenReorderplacementisdoneAlotoffactorsaretobeconsideredforthereorderplacementLookingatthebottomofthediagramitcanbeseenhowthemodelisdeterminedInputfromdatastore5goesintotheSKUclassificationprocessThekeyfactorsthatareconsideredarevolumeflowratesizeetcThisSKUclassificationinfluencesthetypeofmodelthatistobeusedforthatSKUThedemandpatternsarealsoconsideredandarefedintodatastore6whichalsodeterminesthemodeltobeselectedAfterthemodelisdeterminedtheEOQandreorderpointsaresetVariousfactorslikelead-timeandbackordercostsareconsideredandthenthereorderplacementisdoneThisDFDshowstheexactinformationflowinthesystemwhichcanhelprecognizetheindividualprocessesandthedatatransferassociatedwithitCHAPTERIIIPHYSICSDESIGN31EntityRelationshipDiagramDataDictionary1CasesdescribedCasesnameCasesloginSubjectfieldCasesdefinitionUserstologontothesystemgetthecorrespondinginterfaceandaccessRoleInventorcontrollerormanagerBusinesstriggereventsUsersreadytousethesystemforbusinessprocessingorsystemmanagementPre-conditionsSystemfortheuserstoestablishsystemhasuserandassignedcorrespondingprivilegesEndconditions1successconditionsUserloginsystemandobtainappropriatepermissions2failureconditions1systemwithouttheusers2theusernameandpasswordmistakeInputoverviewUsernamepasswordandroleOutputoverviewAnduserrightscorrespondinginterfaceCasesnoteTheLordeventflowStepsRolesystemDescriptionDataitemNoteRoleStartregistrationprocedureSystemLoginscreenshowsTipinputuseridentityandsecretwordRoleInputuseridentityandsecretwordloginsystemUsernamepasswordandroleSystemVerifywhethertheuserislegitimateuserssecretwordiscorrectBacktouserinterfacethecorrespondingmenuIfnotlegitimateusersorsecretwordsnotrightturntoA1BranchflowsNoLordeventflowstepsrolesystemConditionsDescriptionDataitemTurnedtotheLordeventflowStepsNoteA14systemNotlegitimateusersusernameandpasswordmistakeUsernameandpasswordandrolenotcorrespondingFailuretoreturntologininformationLoginfailedinformation22SupplierinformationquerycasesoverviewCasesnameSupplierinformationquerySubjectfieldSupplierinformationquerycasesCasesdefinitionSupplierinformationqueryRoleInventorcontrollerBusinesstriggereventsForsupplierinformationqueryPre-conditionsHasthesupplierinformationrecordsneedinquiresEndconditions1successconditionsTothesupplierstoinquiresqueryinformation2failureconditionsNottoneedinquiresthesupplierofthequeryinformationInputoverviewThesupplierinformationneededforinquiresOutputoverviewInquirestheresultsCasesnoteTheLordeventflowStepsRolesystemDescriptionDataitemNoteRoleIntoinquirestheinterfaceSystemDisplayinquirestheinterfaceRoleInputtheinformationneededforinquiressuppliersSystemInquiressuccessorfailInquiressuccessIfinquiresthesuccessturnedtoA1IfinquiresthefailureturnedtoA2BranchflowsNoLordeventflowstepsrolesystemConditionsDescriptionDataitemTurnedtotheLordeventflowStepsNoteA14systemCompletesupplierinformationqueryReturntosuccessfulinformationInquiresthesupplieroftheinformation2A24systemNocompletesupplierinformationqueryReturntofailureinformationInquiresthefailureofinformationclew23SupplierinformationmodifycasesoverviewCasesnameSupplierinformationchangesSubjectfieldSupplierinformationchangescasesCasesdefinitionSupplierinformationchangesRoleInventorcontrollerBusinesstriggereventsForsupplierinformationchangePre-conditionsAneedtomodifythesupplierinformationrecordsEndconditions1successconditionsTothesupplierstochangequeryinformation2failureconditionsNottoneedsupplierofthechangequeryinformationInputoverviewThesupplierinformationneededformodificationOutputoverviewModifiedresultsCasesnoteTheLordeventflowStepsRolesystemDescriptionDataitemNote9RoleIntochangetheinterface10SystemDisplaychangetheinterface11RoleInputtheinformationneededforchangesuppliers12SystemchangesuccessorfailchangesuccessIfchangesuccessturnedtoA1IfchangefailureturnedtoA2BranchflowsNoLordeventflowstepsrolesystemConditionsDescriptionDataitemTurnedtotheLordeventflowStepsNoteA14systemCompletesupplierinformationchangeReturntosuccessfulinformationchangesupplierinformation2A24systemNocompletesupplierinformationchangeReturntofailureinformationChangesupplierinformationfailure24SupplierinformationaddcasesoverviewCasesnameSupplierinformationaddSubjectfieldSupplierinformationaddcasesCasesdefinitionSupplierinformationaddRoleInventorcontrollerBusinesstriggereventsForsupplierinformationaddPre-conditionsAneedtoaddthesupplierinformationrecordsEndconditions1successconditionsTothesupplierstoaddqueryinformation2failureconditionsNottoneedsupplieroftheaddqueryinformationInputoverviewAddthesuppliersforinformationOutputoverviewAddresultsCasesnoteTheLordeventflowStepsRolesystemDescriptionDataitemNote9RoleIntoaddtheinterface10SystemDisplayaddtheinterface11RoleInputtheinformationneededforaddsuppliers12SystemaddsuccessorfailaddsuccessIfaddsuccessturnedtoA1IfaddfailureturnedtoA2BranchflowsNoLordeventflowstepsrolesystemConditionsDescriptionDataitemTurnedtotheLordeventflowStepsNoteA14systemCompletesupplierinformationaddReturntosuccessfulinformationaddsupplierinformation2A24systemNocompletesupplierinformationaddReturntofailureinformationaddsupplierinformationfailure232DetailedDesignUsecasediagramisasystemmodelingtheinitialpointscanusetheusecasediagramofthesystemtodeveloppracticalworkflowofbusinessmodelfromthebusinessmodelsbasedonthebeginningofthetransitiontoasystemmodelingcanthroughtheusecasediagramtogathertheneedsofusersclearandsystemrelatedtotheuserandothersystemsandmakesurethatthesystemwillprovidewhatfunctionandtherelationshipbetweeneachfunctionFunctionmodulechartTheinventorymanagementsystemincludinginformationmanagementbusinessmanagementsystemmaintenanceandsoonfunctionsInformationmanagementBusinessmanagementInventorymanagementsystemSystemmaintenanceInventorymanagementinformationmanagementInventorymanagementinformationmanagementBasicinformationmanagementOutboundinformationmaintainWarehousinginformationmaintainInventorycheckinformationmaintenanceStatementsinformationmanagementSystemsettingCustomerinformationmaintenanceSupplierinformationmaintenanceWarehouseinformationmaintainShortlinegoodsinformationmaintenanceComponentsgiftinformationmaintenanceChangepasswordCompleteproductinformationmaintenanceInventoryinformationmaintenanceIninventoryinformationmanagementInventorypersonnelinformationmaintenance11ThebasicinformationmanagementmoduleasadministratorsofcustomerinformationproviderealizesupplierinformationtheTreasuryinformationandwarehousepeoplemanagementandmaintenanceofinformationincludinginformationqueryaddmodifyanddeleteoperation12InlibraryinformationmanagementmoduleAinventoryinformationmanagementmoduleasadministratorstoprovideachieveshorttermforthegoodsmanagementandmaintenanceofinformationincludinginformationqueryaddmodifyanddeleteoperationBlibraryforinformationmanagementmoduleasadministratorstoprovideproductsforlibrarytorealizeinformationinformationgiftsforpartslibraryforthemanagementofthelibraryinformationmaintenanceincludinginformationqueryaddmodifyanddeleteoperation13Theoutboundinformationmanagementmoduletheadministratorprovideinquiryaddmodifyanddeletetheoutboundflowtothesingleincludeproductoutboundordercomponentsoutboundordergiftoutboundorderoperationofwhichaddandremoveoperationsoutboundgoodsinspectionsheettomanagementdepartmenttoreview14InventoryinformationmanagementmoduletheadministratorprovideinquiryaddmodifyanddeletewarehousingflowtothesingleincludingpartswarehousereceiptsproductGRNgiftGRNoperationwhichaddandremoveoperationsofwarehousinggoodshavetorefertomanagementdepartmentauditinspectionsheet15Statementsinformationmanagementmoduleasadministratorsofreportoftheinformationprovidedtorealizemanagementandmaintenanceincludingstatementsinformationquerybrowseandhandedinoperation16SystemSettingsmoduletheadministratorpasswordchangingtoprovideachieveclearthefunctionofinformationtableInventorymanagementbusinessmanagementBusinessmanagementPersonnelmanagementReportmanagementGoodscheckmanagementBasicinformationmanagementSystemsettingChangepasswordBackupdatabaseRecoverydatabase21Thewarehousemanagementdepartmentpersonnelmanagementmoduletoprovidetherealizationtothewarehousedepartmentadministratormanagementandmaintenanceofinformationincludingthedepartmentinformationqueryaddmodifyanddeleteoperation22Warehousestatementsmanagementmoduleasadministratorsofreportoftheinformationprovidedtorealizemanagementandmaintenanceincludingreportsoftheinquirybrowseanddeleteoperation23Warehousethegoodsinspectioninformationmanagementmoduleasadministratorstoprovidegoodsinspectiontorealizeinformationmanagementandmaintenanceincludinginthelibraryinformationinventorygoodsforgoodsforinformationandoutboundgoodsinspectioninformationreviewoperation24Thebasicinformationmanagementmoduleasadministratorsofthebasicinformationprovidedtorealizeadddeletesearchingandbrowsingfunction25SystemsettingmoduletheadministratorprovideanewpasswordrealizebackupdatabaseandrestorethefunctionofthedatabaseCHAPTERIVIMPLEMENTATION41IntroductionThischapterwetalkaboutinstallationofthelanguageenvironmentandSoftwareandSystemHardwarerequirement42SoftwareandsystemrequirementSoftwareweuseAppservsoftwareThissoftwarewecaneasytousePHPcontactMYSQLSystemmustuseWINDOWSLINUXMACandsoonMainstreamsystem43HardwarerequirementHardwarerequirementPentiumⅡorabovewithclassmicrocomputerMorethan32MBofmemoryorhigherMorethan42Gharddisk44DevelopmentMethodologyWaterfalldevelopmentTheenwikipediaorgwikiWaterfall_modelWaterfallmodelisasequentialdevelopmentapproachinwhichdevelopmentisseenasflowingsteadilydownwardslikeawaterfallthroughthephasesofrequirementsanalysisdesignimplementationtestingvalidationintegrationandmaintenanceThefirstformaldescriptionofthemethodisoftencitedasanarticlepublishedbyenwikipediaorgwikiWinston_W_RoyceWinstonWRoyceenwikipediaorgwikiSoftware_development_methodology[3]in1970althoughRoycedidnotusetheterm"waterfall"inthisarticleThebasicprinciplesareProjectisdividedintosequentialphaseswithsomeoverlapandsplashbackacceptablebetweenphasesEmphasisisonplanningtimeschedulestargetdatesbudgetsandimplementationofanentiresystematonetimeTightcontrolismaintainedoverthelifeoftheprojectviaextensivewrittendocumentationformalreviewsandapprovalsignoffbytheuserandinformationtechnologymanagementoccurringattheendofmostphasesbeforebeginningthenextphaseTheWaterfallmodelisatraditionalengineeringapproachappliedtosoftwareengineering45DevelopmentIusethePHPandMysqldevelopmentthisinventorymanagementsystemPHPisageneral-purposescriptinglanguagethatisespeciallysuitedtoenwikipediaorgwikiServer-side_scriptingserver-sideenwikipediaorgwikiWeb_developmentwebdevelopmentwherePHPgenerallyrunsonaenwikipediaorgwikiWeb_serverwebserverAnyPHPcodeinarequestedfileisenwikipediaorgwikiExecution_computingexecutedbythePHPruntimeusuallytocreateenwikipediaorgwikiDynamic_web_pagedynamicwebpagecontentordynamicimagesusedonwebsitesorelsewhereItcanalsobeusedforenwikipediaorgwikiCommand-linecommand-linescriptingandenwikipediaorgwikiClient-sideclient-sideenwikipediaorgwikiGraphical_user_interfaceGUIapplicationsPHPcanbedeployedonmostenwikipediaorgwikiWeb_serverwebserversmanyenwikipediaorgwikiOperating_systemoperatingsystemsandenwikipediaorgwikiPlatform_computingplatformsandcanbeusedwithmanyenwikipediaorgwikiRelational_database_management_systemrelationaldatabasemanagementsystemsRDBMSItisavailablefreeofchargeandthePHPGroupprovidesthecompletesourcecodeforuserstobuildcustomizeandextendfortheirownusePHPactsprimarilyasaenwikipediaorgwikiFilter_softwarefiltertakinginputfromafileorstreamcontainingtextandorPHPinstructionsandoutputtinganotherstreamofdatamostcommonlytheoutputwillbe6>HTMLSincePHP4thePHPenwikipediaorgwikiParserparserenwikipediaorgwikiCompilercompilesinputtoproduceenwikipediaorgwikiBytecodebytecodeforprocessingbytheenwikipediaorgwikiZend_EngineZendEnginegivingimprovedperformanceoveritsenwikipediaorgwikiInterpreter_computinginterpreterpredecessorOriginallydesignedtocreatedynamicwebpagesPHPnowfocusesmainlyonenwikipediaorgwikiServer-side_scriptingserver-sidescriptinganditissimilartootherserver-sidescriptinglanguagesthatprovidedynamicco
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