function getNum($name)
{
global $currentForm;
if (!isset($_REQUEST[$currentForm][$name])) {
return false;
}
$val = trim($_REQUEST[$currentForm][$name]);
return checkInt($val);
}
$min_multiplicand = $_GET["min-multiplicand"];
$max_multiplicand = $_GET["max-multiplicand"];
$min_multiplier = $_GET["min-multiplier"];
$max_multiplier = $_GET["max-multiplier"];
}
function checkInt($var)
{
if (!is_numeric($var)) {
echo $var . ' is not an integer!';
return 0;
} else {
return 1;
}
}
if ($min_multiplicand != null && $min_multiplier != null && $max_multiplier != null && $max_multiplicand != null) {
if (checkInt($min_multiplicand) != 0 && checkInt($max_multiplier) != 0 && checkInt($max_multiplicand) != 0 && checkInt($min_multiplier) != 0) {
if ($min_multiplicand > $max_multiplicand) {
echo 'Error!! Min-multiplicand is larger than max-multiplicand!';
} else {
if ($min_multiplier > $max_multiplier) {
echo 'Error!! Min-multiplier is larger than max-multiplier!';
}
}
}
if ($min_multiplicand <= $max_multiplicand && $min_multiplier <= $max_multiplier) {
$table = '<table border="1">';
$max_ier = $max_multiplier;
$max_cand = $max_multiplicand;
$min_ier = $min_multiplier;
$min_cand = $min_multiplicand;
for ($r = 0; $r < $max_multiplicand - $min_multiplicand + 2; $r++) {
