id);
if (!isteacher($course->id)) {
error("Only teachers can use this functionality");
}
$imageurl = rawurldecode($imageurl); /// Full URL starts with $CFG->wwwroot/file.php
$imagepath = str_replace("$CFG->wwwroot/file.php", '', $imageurl);
$imagepath = str_replace("?file=", '', $imagepath); // if we're using second option of file path.
if ($imagepath != $imageurl) { /// This is an internal image
$size = getimagesize($CFG->dataroot.$imagepath);
}
$width = $size[0];
$height = $size[1];
settype($width, "integer");
settype($height, "integer");
if ($height >= 200) {
$division = ($height / 190);
$width = round($width / $division);
$height = 190;
}
echo "\n";
echo "\n";
echo "\n";
echo "Preview\n";
echo "\n";
echo "\n";
echo "\n";
print "![\"\"](\"$imageurl\")
";
echo "\n\n";
?>