PHP基础语言-外文翻译

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1、附录A外文翻译-原文部分PHPLanguageBasicsActiveServerPages(PHP)isaproven,well-establishedtechnologyforbuildingdynamicWebapplications,whichprovidesthepowerandflexibilityyouneedtocreateanythingfromapersonal,Webbasedphotogallerytoacompletecatalogueandshoppingcartsystemforyour

2、nexteCommerceproject。OneuniquefeatureofPHPisthatitletsyouchooseyourfavouritescriptinglanguage,beitJavaScriptorPHP;however,PHPisbyfarthemostpopularchoice.Inthisarticle,I'llbringyouuptospeedonthebasicsyntaxofthePHPlanguage,includingvariables,operators,andcontrols

3、tructures.ThisarticleisthesecondinaseriesteachingPHP.Specifically,thegoalofthisseriesistoteachyouallyouneedtoknowtocreatedynamicWebsitesusingPHP.Thisarticlepicksuprightwherethepreviousarticleintheseries,GettingStartedwithPHP,leftoff.VariablesHereisthelistingfor

4、thefirstPHPscriptIhelpedyoucreateinthepreviousarticle:123456ThisisatestofPHP.

5、anPHPscript.Whenitcomesrightdowntoit,thisscriptdoesn'tdoanythingaplain,oldHTMLpagecouldn'tdo.Ohsure,Igaveaslightlymoreinterestingexamplethatdisplayedthecurrentservertime,buttobereallyusefulascriptneedstoperformsomeformofcalculation,ormanipulatedynamicinformatio

6、ntopresentitinsomeinterestingway.ThelanguageusedforwritingmostPHPprograms,andwhichI'llbeusingthroughoutthisseries,iscalledPHP.Likemostprogramminglanguages,PHPletsyoustoredatainvariables.Avariablemaybethoughtofsimplyasanamedlocationinmemorywheredatamaybestored.P

7、HPiswhatisknownasalooselytypedlanguage,whichmeansthataparticularvariablemaystoreanykindofinformation,beitanumber,apieceoftext,adate,orsomemorecomplicatedchunkofdata(asopposedtostrictlytypedlanguageswhereyoucanonlystoreonekindofinformationineachvariable).Beforey

8、oucanuseavariable,though,youmustdeclareit;thatis,youmustletPHPknowthatyouwanttocreateavariablewithaparticularname.Let'slookatabasicexampletohelpsolidifytheseconceptsinyourmi