PHP function for making line graph_PHP tutorial

PHP function for making line graphs

Keywords: PHP

/*
Function description
$data: y-axis data (array)
$graphdata: y-axis data --Percentage (array)
$label: x-axis data (array)
$height: image height
$width: image width
$font: font size
$dot: decision point size
$bg: background color
$line: line color
$text: text color
$dotcolor: dot color
$file: output image file name
*/

function qximage($data ,
$graphdata,
$label ,
$height,
$width ,
$font,
$dot,
$ bg,
$line,
$text,
$dotcolor,
$file)
{
$jc=$height/100;
$fontwidth= imagefontwidth ($ font);
$fontheight=imagefontheight($font);

$image= imagecreate ($width,$height+20);
$bg= imagecolorallocate($image ,$bg[0 ],$bg[1],$bg[2]);
$line=imagecolorallocate($image ,$line[0],$line[1],$line[2]);
$text =imagecolorallocate($image ,$text[0],$text[1],$text[2]);
$dotcolor=imagecolorallocate($image ,$dotcolor[0],$dotcolor[1],$$ dotcolor[2]);
imageline ($image,0,0,0,$height,$line);
imageline($image,0,$height,$width,$height,$line);

for ($i=1;$i{
imagedashedline($image,0,$height - $jc*$i*10 ,$width ,$ height -$jc*$i*10 ,$line );
imagestring ($image,$font,0,$height-$jc*$i*10,$i*10,$text);
}
for ($i=0;$i {
#echo $tmp."
";
$x1=(($width-50)/count($data))*( $i)+40;
#echo $x1 ."
";
$y1=$height-$graphdata[$i]*$jc;
$x2=$x1;
$y2=$y1+$graphdata[$i]*$jc;
#echo $y1."
";
imagestring($image,$font,$x1,$y1-2*$ fontheight,$graphdata[$i]."%(".$data[$i].")",$text);
imagearc ($image,$x1 ,$y1,$dot,$dot,0,360 ,$dotcolor);
imagefilltoborder ($image,$x1,$y1,$dotcolor,$dotcolor);
imagestring ($image,$font,$x1,$y2,$label[$i], $text);
if ($i>0)
{
imageline($image,$tmpx1,$tmpy1,$x1,$y1,$line);
}
$ tmpx1=$x1;$tmpy1=$y1;
}
imagegif ($image,$file);
}
?>

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