while (mixed condition) While loop
for (mixed start; mixed condition; mixed increment) For loop
foreach (mixed variable as value/key [=>value]) Foreach loop
if (boolean condition) If statement
HTTP_POST_VARS
HTTP_GET_VARS
HTTP_SESSION_VARS
GLOBALS
include(string filename) Include file
include_once(string filename) Include file once
require(string filename) Require inclusion of file
require_once(string filename) Require inclusion of file once

and
or
xor
__FILE__
__LINE__
__FUNCTION__
__CLASS__
as
break
case
cfunction
class
const
continue
declare
default
do
echo
else
elseif
enddeclare
endfor
endforeach
endif
endswitch
endwhile
eval
exit
extends
function
global
new
old_function
print
return
static
switch
use
var