get_defined_vars

get_defined_vars -- Returns an array of all defined variables

Description

array get_defined_vars ( void)

 
$b

 
=

 
array(

 
1,1,2,3,5,8)

 
;

 
$arr

 
=

 
get_defined_vars()

 
;

 
/

 
/

 
print

 
$b

 
print_r($arr["b"])

 
;

 
/

 
/

 
print

 
path

 
to

 
the

 
PHP

 
interpreter

 
(if

 
used

 
as

 
a

 
CGI

 
)

 
/

 
/

 
e.g

 
.

 
/

 
usr

 
/

 
local

 
/

 
bin

 
/

 
php

 
echo

 
$arr["_"]

 
;

 
/

 
/

 
print

 
the

 
command-line

 
paramaters

 
if

 
any

 
print_r($arr["argv"])

 
;

 
/

 
/

 
print

 
all

 
the

 
server

 
vars

 
print_r($arr["HTTP_SERVER_VARS"])

 
;

 
/

 
/

 
print

 
all

 
the

 
available

 
keys

 
for

 
the

 
arrays

 
of

 
variables

 
print_r(array_keys(get_defined_vars()))

 
;