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activity3.php
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activity3.php
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<?php
require 'lib/function.php';
$user['regdate'] = $sql -> resultq("SELECT MIN(`regdate`) FROM users");
$max = ceil(($sql -> resultq("SELECT COUNT(*) FROM `posts`") + 1) / 5000) * 5000;
$alen = ($_GET['len'] ? $_GET['len'] : 30);
$alen = min(max(7, $alen), 90);
// $max = 5500;
$vd=date('m-d-y', $user['regdate']);
$dd=mktime(0,0,0,substr($vd,0,2),substr($vd,3,2),substr($vd,6,2));
$dd2=mktime(0,0,0,substr($vd,0,2),substr($vd,3,2)+1,substr($vd,6,2));
$days=ceil((ctime()-$dd)/86400);
$scalex = 1;
$scaley = 500;
$m = $max / $scaley;
$xs = $days * $scalex;
$img=ImageCreateTrueColor($xs,$m);
$c['bg']= ImageColorAllocate($img, 0, 0, 0);
$c['bg1']=ImageColorAllocate($img, 0, 0, 60);
$c['bg2']=ImageColorAllocate($img, 0, 0, 80);
$c['bg3']=ImageColorAllocate($img, 40, 40,100);
$c['bg4']=ImageColorAllocate($img,100, 40, 40);
$c['mk1']=ImageColorAllocate($img, 60, 60,130);
$c['mk2']=ImageColorAllocate($img, 80, 80,150);
$c['mk3']=ImageColorAllocate($img,160, 90, 90);
$c['mk4']=ImageColorAllocate($img,180,110,110);
$c['bar']=ImageColorAllocate($img,250,190, 40);
$c['pt'] =ImageColorAllocate($img,250,250,250);
for($i=0;$i<$days;$i++){
$num=date('m',$dd+$i*86400)%2+1;
if(date('m-d',$dd+$i*86400)=='01-01') $num=3;
# if(date('m-d-y',$dd+$i*86400)=='08-05-09') $num=4;
# if(date('m-d-y',$dd+($i-$alen)*86400)=='08-05-09') $num=4;
ImageFilledRectangle($img,$i * $scalex,$m,($i + 1) * $scalex - 2,0,$c["bg$num"]);
}
for($i=0;$i<=($m / 50);$i++){
ImageLine($img,0,$m-$i*100+50,($days + 1) * $scalex - 1,$m-$i*100+50,$c['mk1']);
ImageLine($img,0,$m-$i*100,($days + 1) * $scalex - 1,$m-$i*100,$c['mk2']);
imagestring($img, 3, 3, $m-$i*100+1, ($i * 100) * $scaley, $c['bg']);
imagestring($img, 3, 3, $m-$i*100+51, ($i * 100 - 50) * $scaley, $c['bg']);
imagestring($img, 3, 2, $m-$i*100, ($i * 100) * $scaley, $c['mk2']);
imagestring($img, 3, 2, $m-$i*100+50, ($i * 100 - 50) * $scaley, $c['mk1']);
imagestring($img, 3, $xs - 81, $m-$i*100+1, sprintf("%10d", ($i * 100)), $c['bg']);
imagestring($img, 3, $xs - 81, $m-$i*100+51, sprintf("%10d", ($i * 100 - 50)), $c['bg']);
imagestring($img, 3, $xs - 82, $m-$i*100, sprintf("%10d", ($i * 100)), $c['mk4']);
imagestring($img, 3, $xs - 82, $m-$i*100+50, sprintf("%10d", ($i * 100 - 50)), $c['mk3']);
}
$users = array(
1 => array('name' => "Total posts ", 'color' => imagecolorallocate($img, 255, 255, 255)),
-1 => array('name' => "$alen-day average", 'color' => 0xFF8888),
);
/*
$users = array();
$userq = $sql -> query("SELECT id, name FROM `users` ORDER BY `posts` DESC LIMIT 0, 10");
while ($u = $sql -> fetch($userq)) {
$users[$u['id']] = array('name' => $u['name'], 'color' => imagecolorallocate($img, rand(100,255), rand(100,255), rand(100,255)));
}
*/
$z = count($users);
$namespace = 12;
imagerectangle( $img, 61, 11, 174 + 6 * 5, 15 + $z * $namespace, $c['bg']);
imagefilledrectangle($img, 60, 10, 173 + 6 * 5, 14 + $z * $namespace, $c['bg2']);
imagerectangle( $img, 60, 10, 173 + 6 * 5, 14 + $z * $namespace, $c['mk2']);
$z = 0;
foreach($users as $uid => $userx) {
if ($uid > 0) {
$data = getdata($uid);
drawdata($data, $userx['color']);
}
imageline($img, 66, $z * $namespace + 19, 76, $z * $namespace + 19, $c['bg']);
imageline($img, 65, $z * $namespace + 18, 75, $z * $namespace + 18, $userx['color']);
imagestring($img, 2, 80 + 1, $z * $namespace + 12, $userx['name'], $c['bg']);
imagestring($img, 2, 80, $z * $namespace + 11, $userx['name'], $userx['color']);
$z++;
}
foreach($xdata as $k => $v) {
$xdata2[$k - 13697] = ($v / 1);
}
if (false) {
print "<pre>days = $days \n\n\n";
print_r($data);
print "\n\n------------------------\n\n";
print_r($xdata2);
die();
}
drawdata($xdata2, $users[-1]['color']);
Header('Content-type:image/png');
ImagePNG($img);
ImageDestroy($img);
function drawdata($p, $color) {
global $days, $scalex, $m, $img;
$oldy = $m;
for($i=0;$i<$days;$i++){
$y = $m-$p[$i];
$x = $i * $scalex;
if (!$p[$i]) {
$y = $oldy;
}
imageline($img, $x, $oldy, $x + $scalex - 1, $y, $color);
$oldy = $y;
}
}
function getdata($u) {
global $sql, $dd, $dd2, $scaley, $days, $xdata, $alen;
$nn = $sql -> query("SELECT FROM_UNIXTIME(date,'%Y%m%d') ymd, floor(date/86400) d, count(*) c FROM posts GROUP BY ymd ORDER BY ymd");
while ($n = $sql -> fetch($nn)) {
$p[$n['d']]=$n['c'];
for ($temp = $n['d']; $temp > $n['d'] - $alen; $temp--) {
$xdata[$n['d']] += $p[$temp];
}
$xdata[$n['d']] /= $alen;
}
$dat = $sql -> query(
"SELECT count( * ) AS cnt, floor( to_days( now( ) ) ) - floor( to_days( from_unixtime( date ) ) ) AS d "
."FROM posts "
// ."WHERE user =$u "
."GROUP BY d ORDER BY d DESC");
while ($z = $sql -> fetch($dat)) {
$da = $days - $z['d'];
$y += $z['cnt'];
$p[$da] = $y / $scaley;
}
return $p;
}
?>