php柱状图生成类代码

php柱状图生成类代码 //这是一段完美的php柱状图生成类代码，可以生成漂亮实用的柱状图

php教程柱状图生成类代码
//这是一段完美的php柱状图生成类代码，可以生成漂亮实用的柱状图

function createimage($data,$twidth,$tspace,$height){                         $dataname = array();                         $datavalue = array();                         $i = 0;                         $j = 0;                         $k = 0;                         $num = sizeof($data);                                                 foreach($data as $key => $val){                                         $dataname[] = $key;                                         $datavalue[] = $val;                                 }                                 $maxnum = max($data);                         $width = ($twidth + $tspace) * $num + 4;//image's width                         $im = imagecreate($width + 40,$height+20);                         $linecolor = imagecolorallocate($im,12,12,12);                         $bgcolor = imagecolorallocate($im,235,233,233);                         $tcolor = imagecolorallocate($im,123,200,56);                         imagefill($im,0,0,$bgcolor);                         imageline ( $im, 30, 0, 30, $height - 2, $linecolor);                         imageline ( $im, 30, $height - 2, $width + 30 -2 , $height - 2,$linecolor);                         while($i

//调用方法：

一个php验证码生成类代码

一个php验证码生成类代码

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header("content-type:image/png");
$data = array("yahoo" => 120, "google" => 260,"microsoft" => 320,"ibm" => 290,"sun system" => 150,"inter" => 260);
createimage($data,38,25,460);