<?php

if (1)
{}

foreach (x() as $y)
{}

while (1)
{}

switch (1)
{}

if ($x) foo();
else bar();
do baz(); while ($x);

if ($x) {}
else if ($y) {}
else {}

if ($x) {}else{}
~~~~~~~~~~
warning:3:7
warning:6:20
warning:9:10
warning:12:11
warning:15:9
warning:16:6
warning:17:4
warning:19:11
warning:20:16
warning:23:11
warning:23:15
~~~~~~~~~~
<?php

if (1) {}

foreach (x() as $y) {}

while (1) {}

switch (1) {}

if ($x) foo();
else bar();
do baz(); while ($x);

if ($x) {} else if ($y) {} else {}

if ($x) {} else {}