function bar(): void {
    if $a {  }
    if ($a) {}

    if $a {   } elseif $b {   } else if $c {  } else {}
    if ($a) { } elseif ($b) { } else if ($c) {} else {}

    if $a {  } else {}
    if ($a) {} else {}

    while $a {  }
    while ($a) {}

    do {} while $a;
    do {} while ($a);

    foreach $a as $b {  }
    foreach ($a) as $b {}
    foreach ($a as $b) {}
    foreach $a as $b => $c {  }
    foreach ($a) as $b => $c {}
    foreach ($a as $b => $c) {}
    foreach ($a as $b => $c) {} else {}

    for $a = 0; $a < 10; $a++ {  }
    for ($a = 0; $a < 10; $a++) {}
    for ($a = 0); $a < 10; $a++ {}
    for ($a = 0), $i = 10; $a < 10; $a++, ($i--) {}

    for ;; {  }
    for (;;) {}

    $a = match $a {
        1 => 2,
        3 => 4,
        default => 5,
    };

    $a = match ($a) {
        1 => 2,
        3 => 4,
        default => 5,
    };
}