what is the difference between $message and $$ massage ?

[alexjorge]

what is difference between $message and $$massage in php programming ?

 

[help]

$message is utilized to store variable information. $$message might be utilized to store variable of a variable. Information saved in $message is settled while information archived in $$message could be changed powerfully.

E.g. $var1 = 'Variable 1'

$$var1= 'vari

 

[giovanni.golch]

Strange i have seen the tutorial in w3schools.com but did not see anything like that with $$ sign thing.

 

[simar]

$variable is a normal variable $$variable takes the value of a variable and treats that as the name of a variable:-
$test = "hello world";
$a = "test";
echo $$a;