final class X
{
public static function getVal($val)
{
$ym = self::getArr($val);
return self::get($ym[0]);
}
private static function check($val)
{
if (!is_int($val)) {
throw new Exception();
}
}
private static function get($a)
{
return $a;
}
private static function getArr($val)
{
self::check($val);
return array((int) $val);
}
}
for ($i = 0; $i < 10; $i++) {
try {
var_dump(X::getVal("42"));
} catch (Exception $e) {
}
}
var_dump('done');