php实现根据词频生成tag云的方法

站长资源 2025/7/1 佚名

76 1538 76

DDR爱好者之家 Design By 杰米

本文实例讲述了php实现根据词频生成tag云的方法。分享给大家供大家参考。具体如下：

这里给定一段文本，分析文本的词频分布，生成tag云

<"Lorem ipsum dolor sit amet, consectetuer adipiscing elit.
Phasellus vestibulum ullamcorper tortor. Aenean quis lacus quis neque
adipiscing ultricies. Pellentesque tincidunt ligula vitae nibh ornare
pharetra. Proin dignissim tortor. Donec et ipsum nec tellus gravida
tempor. Aliquam ullamcorper purus vel felis. Praesent faucibus.
Curabitur porta. Nulla in lorem quis mi lacinia fringilla. Integer
adipiscing mi quis felis. Pellentesque habitant morbi tristique senectus
et netus et malesuada fames ac turpis egestas. Quisque sagittis ante in
arcu. Sed libero enim, venenatis sit amet, vestibulum at, porttitor id,
neque. Vestibulum ornare semper erat. Sed tincidunt nibh et massa. Cras
sed diam. Quisque blandit enim.
Sed nonummy. Aenean mollis turpis quis enim. Nam massa nulla, varius
molestie, aliquet et, feugiat eget, nisi. Sed mollis, leo ut pretium
placerat, nibh turpis egestas ipsum, sed aliquam neque enim in risus.
Nullam nisl. Sed tincidunt leo quis tellus. Mauris non lorem. Aenean
tristique justo at arcu. Fusce et lorem. Nam sodales. Mauris condimentum
diam. Nam commodo. Cum sociis natoque penatibus et magnis dis parturient
montes, nascetur ridiculus mus. Cras ac risus. Proin et dolor laoreet mi
gravida sodales. Duis bibendum, ipsum posuere egestas posuere, dui lacus
feugiat turpis, id tincidunt urna est sit amet est. Cras eu sem.
";
// Get individual words and build a frequency table
foreach( str_word_count( $lorem, 1 ) as $word )
{
 // For each word found in the frequency table, 
 //increment its value by one
 array_key_exists($word,$freqData)"font-size: ' . floor( $size ) . 'px'
 . '" class="tag_cloud" href="http://www.google.com/search" title="\'' . $tag . '\' returned a count of ' . $count
 . '">'
 . htmlspecialchars( stripslashes( $tag ) ) . '</a>';
 }
 return join( "\n", $cloudTags ) . "\n";
} 
"-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 <title>Tag Cloud Demo</title>
 <style type="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>
 <h1>Sample Tag Cloud</h1>
 <div id="wrapper">
 <?php echo getCloud( $freqData ) ?>
 </div>
</body>
</html>

希望本文所述对大家的php程序设计有所帮助。

php,根据词频,生成,tag云

DDR爱好者之家 Design By 杰米

广告合作：本站广告合作请联系QQ：858582 申请时备注：广告合作（否则不回）
免责声明：本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除！

DDR爱好者之家 Design By 杰米

评论“php实现根据词频生成tag云的方法”

暂无评论...

php实现根据词频生成tag云的方法

php实现阿拉伯数字和罗马数字相互转换的方法

php计算两个坐标（经度，纬度）之间距离的方法

评论“php实现根据词频生成tag云的方法”

稳了！魔兽国服回归的3条重磅消息！官宣时间再确认！

更新日志

友情链接