abs
acos
acosh
array
arsort
asin
asinh
asort
assert
atan
atan2
atanh
basename
bindec
ceil
chdir
checkdate
chmod
chop
chown
chroot
closedir
closelog
compact
constant
copy
cos
cosh
count
crypt
current
date
decoct
define
defined
die
dir
dirname
diskfreespace
dl
doubleval
each
easter_date
easter_days
echo
empty
end
ereg
eregi
error_log
exit
exp
explode
extract
fclose
feof
fgets
fileowner
filepro
filesize
filetype
floatval
flock
floor
flush
fmod
fread
fstat
ftell
ftok
function
getdate
gettext
gettype
gmdate
hash
header
headers_list
headers_sent
hebrev
hypot
iconv
idate
implode
include
intdiv
intval
invoke
is_a
is_array
is_bool
is_callable
is_double
is_finite
is_float
is_infinite
is_int
is_integer
is_link
is_long
is_nan
is_null
is_numeric
is_object
is_real
is_resource
is_scalar
is_string
isset
join
key
ksort
lcfirst
levenshtein
link
linkinfo
list
localtime
log
log10
log1p
lstat
ltrim
mail
main
max
mbereg
mbsplit
metaphone
mhash
microtime
min
msql
mysql
natsort
next
octdec
openlog
ord
pack
pathinfo
pclose
pi
pos
pow
prev
print
printf
quotemeta
rand
range
readline
readlink
recode
rename
require
reset
rewind
round
rsort
rtrim
scandir
serialize
settype
shuffle
similar_text
sin
sinh
sizeof
sleep
sort
soundex
split
spliti
sprintf
sqrt
srand
stat
strcoll
strlen
strspn
substr
symlink
syslog
taint
tan
tanh
tempnam
textdomain
time
touch
trim
ucfirst
umask
uniqid
unlink
unset
untaint
usleep
usort
virtual
wordwrap
