<?php
session_start ();
$flag = true;
$max = 0;
$count = array ();
for ($i = 0; $i < 11; $i++) {
$a = explode ("\n", $_SESSION [$i . "x"]);
$count [$i] = count ($a) - 2;
echo $count [$i];
echo $_SESSION [$i];
if ($count [$i] > $max)
$max = $count [$i];
}
if ($flag) {
$myImage = imagecreate(330, $max*10+$count [0]*10);
$myGray = imagecolorallocate($myImage, 204, 204, 204);
$myRed = imagecolorallocate($myImage, 200, 40, 40);
$myBlue = imagecolorallocate($myImage, 20, 240, 20);
$old_x = 0;
$old_y = 0;
$x = 0;
$y = 0;
for ($i = 0; $i < 11; $i++) {
$x += 30;
$y = $count [$i] * 5;
imageline ($myImage, $old_x, ($max*10) - $old_y, $x, ($max*10)-$y, $myRed);
imageline ($myImage, $x, 0, $x, $max*10, $myBlue);
$old_x = $x;
$old_y = $y;
}
ob_start();
imagepng($myImage);
printf('<img src="data:image/png;base64,%s"/>',
base64_encode(ob_get_clean()));
imagedestroy($myImage);
}
else
echo "one of the given url's is not known";
?>
