List of the 72 reserved words by alphabetical order:
__CLASS__ 
__DIR__
__FILE__ 
__FUNCTION__ 
__LINE__ 
__METHOD__ 
__NAMESPACE__
abstract
and 
array() 
as 
break 
case 
catch
cfunction ''(PHP 4)''
class 
clone
const 
continue 
declare 
default 
die() 
do 
echo() 
else 
elseif 
empty() 
enddeclare 
endfor 
endforeach 
endif 
endswitch 
endwhile 
eval() 
exit()
explode()
extends 
final
for 
foreach 
function 
global 
goto
if 
implements
include_once() 
include() 
instanceof
interface
isset() 
list() 
namespace
new 
old_function ''(PHP 4)''
or 
print() 
private
protected
public
require_once() 
require() 
return() 
split() ''(PHP < 5.3)''
static 
switch 
throw
try
unset() 
use 
var 
while 
xor 
Several composed operators can reduce the usual syntax:
. Equivalent to a ternary operator with an is_null().
. Equivalent to a switch with three cases: inferior, equal and superior.
Moreover, we can now use:
List of the 48 native PHP 5.5.0 libraries with EasyPHP:
 Core
 PDO
 Phar
 Reflection
 SPL
 SimpleXML
 apache2handler
 bcmath
 bz2
 calendar
 ctype
 curl
 date
 dom
 ereg
 filter
 ftp
 gd
 hash
 iconv
 json
 libxml
 mbstring
 mcrypt
 mhash
 mysql
 mysqli
 mysqlnd
 odbc
 openssl
 pcre
 pdo_mysql
 pdo_sqlite
 pdo_sqlsrv
 session
 sockets
 sqlite3
 sqlsrv
 standard
 tokenizer
 wddx
 xdebug
 xml
 xmlreader
 xmlwriter
 xsl
 zip
 zlib