function example(): void {
    foreach 1.. as $y {

    }

    foreach 1..10 as $y {

    }

    foreach 1..=10 as $y {

    }

    // this is a compile error, because the range does not have a start
    foreach ..10 as $y {

    }

    // this is a compile error, because the range does not have a start
    foreach ..=10 as $y {

    }

    // this is a compile error, because the range does not have a start
    foreach .. as $y {

    }
}