declare(ticks = 1);
function a()
{
    sleep(10);
    echo "a finishi\n";
}
function b()
{
    echo "Stop\n";
}
function c()
{
    usleep(100000);
}
 
function sig()
{
    throw new Exception;
}
 
try
{
    pcntl_alarm(1);
    pcntl_signal(SIGALRM, "sig");
    a();
    pcntl_alarm(0);
}
catch(Exception $e)
{
    echo "timeout\n";
}
 
b();
a();
b();