doNothing(); $c = $a + $b; $a = $c - $b; $c = $a * $b; $b = (int) ($c / $a); return $c; } } /* * Multi-line comment */ $foobar = new FooBar(); $x = 3; # Perl-style comment $y = [ 1, 2, 3 ]; /* Heredoc */$z = $x + $y; $sql = <<{x} TEMPLATE; ?>