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,WebbasedphotogallerytoacompletecatalogueandshoppingcartsystemforyournexteCommercep

2、roject。OneuniquefeatureofPHPisthatitletsyouchooseyourfavouritescriptinglanguage,beitJavaScriptorPHP;however,PHPisbyfarthemostpopularchoice.Inthisarticle,I'llbringyouuptospeedonthebasicsyntaxofthePHPlanguage,includingvariables,operators,andcontrolstructures.Thisarticleisthese

3、condinaseriesteachingPHP.Specifically,thegoalofthisseriesistoteachyouallyouneedtoknowtocreatedynamicWebsitesusingPHP.Thisarticlepicksuprightwherethepreviousarticleintheseries,GettingStartedwithPHP,leftoff.VariablesHereisthelistingforthefirstPHPscriptIhelpedyoucreateintheprev

4、iousarticle:123456ThisisatestofPHP.

5、anythingaplain,oldHTMLpagecouldn'tdo.Ohsure,Igaveaslightlymoreinterestingexamplethatdisplayedthecurrentservertime,buttobereallyusefulascriptneedstoperformsomeformofcalculation,ormanipulatedynamicinformationtopresentitinsomeinterestingway.ThelanguageusedforwritingmostPHPprogr

6、ams,andwhichI'llbeusingthroughoutthisseries,iscalledPHP.Likemostprogramminglanguages,PHPletsyoustoredatainvariables.Avariablemaybethoughtofsimplyasanamedlocationinmemorywheredatamaybestored.PHPiswhatisknownasalooselytypedlanguage,whichmeansthataparticularvariablemaystoreanyk

7、indofinformation,beitanumber,apieceoftext,adate,orsomemorecomplicatedchunkofdata(asopposedtostrictlytypedlanguageswhereyoucanonlystoreonekindofinformationineachvariable).Beforeyoucanuseavariable,though,youmustdeclareit;thatis,youmustletPHPknowthatyouwanttocreateavariablewith

8、aparticularname.Let'slookatabasicexampletohelpsolidifytheseconceptsinyourmi