abs
addslashes
base64_decode
base64_encode
bin2hex
br2nl
ceil
chr
crc32
dechex
floor
func
hex2bin
hexdec
htmlspecialchars
index
lcfirst
ltrim
md5
mt_rand
nl2br
ord
pi
pow
rawurldecode
rawurlencode
round
rtrim
script
sha1
str_pad
str_repeat
str_replace
str_shuffle
strip_tags
stripos
stripslashes
stristr
strlen
strpos
strrchr
strrev
strripos
strrpos
strstr
strtolower
strtoupper
substr
trim
ucfirst
ucwords
urldecode
urlencode
