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1、TutorialsPoint,SimplyEasyLearningPHPTutorialTutorialspoint.comThePHPHypertextPre-processor(PHP)isaprogramminglanguagethatallowswebdeveloperstocreatedynamiccontentthatinteractswithdatabases.PHPisbasicallyusedfordevelopingwebbasedsoftwareapplications.This
2、tutorialhelpsyoutobuildyourbasewithPHP.SendyourfeedbackusingContactUsFormAudience:ThistutorialisdesignedforPHPprogrammerswhoarecompletelyunawareofPHPconceptsbuttheyhavebasicunderstandingoncomputerprogramming.Prerequisites:Beforeproceedingwiththistutoria
3、lyoushouldhaveatleastbasicunderstandingofcomputerprogramming,Internet,Database,andMySQLetcisveryhelpful.PHPIntroduction1
4、PageTutorialsPoint,SimplyEasyLearningPHPstartedoutasasmallopensourceprojectthatevolvedasmoreandmorepeoplefoundouthowusefulitwas.Rasm
5、usLerdorfunleashedthefirstversionofPHPwaybackin1994.PHPisarecursiveacronymfor"PHP:HypertextPreprocessor".PHPisaserversidescriptinglanguagethatisembeddedinHTML.Itisusedtomanagedynamiccontent,databases,sessiontracking,evenbuildentiree-commercesites.Iti
6、sintegratedwithanumberofpopulardatabases,includingMySQL,PostgreSQL,Oracle,Sybase,Informix,andMicrosoftSQLServer.PHPispleasinglyzippyinitsexecution,especiallywhencompiledasanApachemoduleontheUnixside.TheMySQLserver,oncestarted,executesevenverycomplexque
7、rieswithhugeresultsetsinrecord-settingtime.PHPsupportsalargenumberofmajorprotocolssuchasPOP3,IMAP,andLDAP.PHP4addedsupportforJavaanddistributedobjectarchitectures(COMandCORBA),makingn-tierdevelopmentapossibilityforthefirsttime.PHPisforgiving:PHPlangua
8、getriestobeasforgivingaspossible.PHPSyntaxisC-Like.CommonusesofPHP:PHPperformssystemfunctions,i.e.fromfilesonasystemitcancreate,open,read,write,andclosethem.PHPcanhandleforms,i.e.gatherdatafromfiles,savedatatoafile,thruemailyoucansenddata,returndatat
9、otheuser.Youadd,delete,modifyelementswithinyourdatabasethruPHP.Accesscookiesvariablesandsetcookies.UsingPHP,youcanrestrictuserstoaccesssomepagesofyourwebsite.Itcanencryptdata.CharacteristicsofPHPFiveimportantcharacteristicsma