- min: documentation ( source)
- printf: documentation ( source)
<?php
function f($current_day, $delay)
{
return ((((min($current_day, 5))+($delay-1))%5)+1);
}
for($i = 1; $i < 8; $i++)
printf("f(%d, 1) => %d\n", $i, f($i, 1));
for($i = 1; $i < 8; $i++)
printf("f(%d, 2) => %d\n", $i, f($i, 2));