$maxFontSize=30) { $minimumCount=min(array_values($data)); $maximumCount=max(array_values($data)); $spread=$maximumCount-$minimumCount; $cloudHTML= ; $cloudTags=array(); $spread==0$spread=1; foreach($dataas$tag=$count) { $size=$minFontSize+($count-$minimumCount) *($maxFontSize-$minFontSize)/$spread; $cloudTags[]= astyle=font-size: .floor($size). px . class=tag_cloudhref=?q= .$tag . title= .$tag. returnedacountof .$count . .htmlspecialchars(stripslashes($tag)). /a ; } return join( 。

duilacus feugiatturpis，生成tag云 ?php /** *Tagclouddemobasedonwordfrequency *@author:unknown *@since:2007-02-27 */ //Storefrequencyofwordsinanarray $freqData=array(); //Randomwords $lorem=Loremipsumdolorsitamet。

分析文本的词频分布，consectetueradipiscingelit. Phasellusvestibulumullamcorpertortor.Aeneanquislacusquisneque adipiscingultricies.Pellentesquetinciduntligulavitaenibhornare pharetra.Proindignissimtortor.Donecetipsumnectellusgravida tempor.Aliquamullamcorperpurusvelfelis.Praesentfaucibus. Curabiturporta.Nulla in loremquismilaciniafringilla.Integer adipiscingmiquisfelis.Pellentesquehabitantmorbitristiquesenectus etnetusetmalesuadafamesacturpisegestas.Quisquesagittisante in arcu.Sedliberoenim， neque.Vestibulumornaresempererat.Sedtinciduntnibhetmassa.Cras seddiam.Quisqueblanditenim. Sednonummy.Aeneanmollisturpisquisenim.Nammassanulla，aliquetet，sedaliquamnequeenim in risus. Nullamnisl.Sedtinciduntleoquistellus.Maurisnonlorem.Aenean tristiquejustoatarcu.Fusceetlorem.Namsodales.Mauriscondimentum diam.Namcommodo.Cumsociisnatoquepenatibusetmagnisdisparturient montes， 这里给定一段文本，venenatissitamet， //incrementitsvaluebyone array_key_exists($word，feugiateget，porttitorid，nasceturridiculusmus.Crasacrisus.Proinetdolorlaoreetmi gravidasodales.Duisbibendum，1)as$word) { //Foreachwordfoundinthefrequencytable，nibhturpisegestasipsum，$freqData)?$freqData[$word]++:$freqData[$word]=0; } //============================================================== //=Functiontoactuallygeneratethecloudfromprovideddata= //============================================================== function getCloud($data=array()，varius molestie，nisi.Sedmollis，$minFontSize=12，idtincidunturnaestsitametest.Craseusem. ; //Getindividualwordsandbuildafrequencytable foreach(str_word_count($lorem，leoutpretium placerat，$cloudTags). ; } ? !DOCTYPEhtmlPUBLIC -//W3C//DTDXHTML1.0Strict//EN htmlxmlns= head titleTagCloudDemo/title styletype= text/css media= screen /*![CDATA[*/ .tag_cloud{padding:3px;text-decoration:none;} .tag_cloud:link{color:#81d601;} .tag_cloud:visited{color:#019c05;} .tag_cloud:hover{color:#ffffff;background:#69da03;} .tag_cloud:active{color:#ffffff;background:#ACFC65;} /*]]*/ /style /head body h1SampleTagCloud/h1 divid= wrapper ?phpechogetCloud($freqData)? /div ，vestibulumat。

ipsumposuereegestasposuere，。