PHP 创建标签云函数代码

<div class="codetitle"><a style="CURSOR: pointer" data="87949" class="copybut" id="copybut87949" onclick="doCopy('code87949')"> 代码如下:<div class="codebody" id="code87949">
function getCloud( $data = array(),$minFontSize = 12,$maxFontSize = 30 )
{
$minimumCount = min( array_values( $data ) );
$maximumCount = max( array_values( $data ) );
$spread = $maximumCount - $minimumCount;
$cloudHTML = '';
$cloudTags = array(); $spread == 0 && $spread = 1; foreach( $data as $tag => $count )
{
$size = $minFontSize + ( $count - $minimumCount )
* ( $maxFontSize - $minFontSize ) / $spread;
$cloudTags[] = '<a style="font-size: ' . floor( $size ) . 'px'
. '" href="#" title="'' . $tag .
'' returned a count of ' . $count . '">'
. htmlspecialchars( stripslashes( $tag ) ) . '';
} return join( "n",$cloudTags ) . "n";
}
/**
* Sample usage /
$arr = Array('Actionscript' => 35,'Adobe' => 22,'Array' => 44,'Background' => 43,
'Blur' => 18,'Canvas' => 33,'Class' => 15,'Color Palette' => 11,'Crop' => 42,
'Delimiter' => 13,'Depth' => 34,'Design' => 8,'Encode' => 12,'Encryption' => 30,
'Extract' => 28,'Filters' => 42);
echo getCloud($arr,12,36);

这里是摘自编程之家之前发布的文章。更多的技巧可以参考。
收集的二十一个实用便利的PHP函数代码

（编辑：李大同）

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