PHP基础语言-外文翻译

PHP基础语言-外文翻译

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时间:2018-09-03

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

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

3、eriesteachingPHP.Specifically,thegoalofthisseriesistoteachyouallyouneedtoknowtocreatedynamicWebsitesusingPHP.Thisarticlepicksuprightwherethepreviousarticleintheseries,GettingStartedwithPHP,leftoff.VariablesHereisthelistingforthefirstPHPscriptIhelpedyoucreateinthepreviousarticle:

4、123MyFirstPHPPage456ThisisatestofPHP.

"9?>1011AsIadmittedinthatarticle,thisisaprettyuninterestingexampleofanPHPscript.Whenitcomesrightdowntoit,thisscriptdoesn'tdoanythingaplain,o

5、ldHTMLpagecouldn'tdo.Ohsure,Igaveaslightlymoreinterestingexamplethatdisplayedthecurrentservertime,buttobereallyusefulascriptneedstoperformsomeformofcalculation,ormanipulatedynamicinformationtopresentitinsomeinterestingway.ThelanguageusedforwritingmostPHPprograms,andwhichI'llbeus

6、ingthroughoutthisseries,iscalledPHP.Likemostprogramminglanguages,PHPletsyoustoredatainvariables.Avariablemaybethoughtofsimplyasanamedlocationinmemorywheredatamaybestored.PHPiswhatisknownasalooselytypedlanguage,whichmeansthataparticularvariablemaystoreanykindofinformation,beitanu

7、mber,apieceoftext,adate,orsomemorecomplicatedchunkofdata(asopposedtostrictlytypedlanguageswhereyoucanonlystoreonekindofinformationineachvariable).Beforeyoucanuseavariable,though,youmustdeclareit;thatis,youmustletPHPknowthatyouwanttocreateavariablewithaparticularname.Let'slookata

8、basicexampletohelpsolidifytheseconceptsinyourmi

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