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++) {