param = ($_REQUEST["param"] ?? false);
return true;
}
return false;
}
function printTagCloud() {
print "
";
// from here: http://www.roscripts.com/Create_tag_cloud-71.html
$sth = $this->pdo->prepare("SELECT tag_name, COUNT(post_int_id) AS count
FROM ttrss_tags WHERE owner_uid = ?
GROUP BY tag_name ORDER BY count DESC LIMIT 50");
$sth->execute([$_SESSION['uid']]);
$tags = array();
while ($line = $sth->fetch()) {
$tags[$line["tag_name"]] = $line["count"];
}
if(count($tags) == 0 ){ return; }
ksort($tags);
$max_size = 32; // max font size in pixels
$min_size = 11; // min font size in pixels
// largest and smallest array values
$max_qty = max(array_values($tags));
$min_qty = min(array_values($tags));
// find the range of values
$spread = $max_qty - $min_qty;
if ($spread == 0) { // we don't want to divide by zero
$spread = 1;
}
// set the font-size increment
$step = ($max_size - $min_size) / ($spread);
// loop through the tag array
foreach ($tags as $key => $value) {
// calculate font-size
// find the $value in excess of $min_qty
// multiply by the font-size increment ($size)
// and add the $min_size set above
$size = round($min_size + (($value - $min_qty) * $step));
$key_escaped = str_replace("'", "\\'", (string)$key);
echo "
' . $key . ' ';
}
print "
";
print "