You can use $$var constuction, what display name of $var

function my_trace($var){
echo $$var.'='.$var.'<br>';
 }

""nntp.charter.net"" <[EMAIL PROTECTED]> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ 
ÓÌÅÄÕÀÝÅÅ: news:[EMAIL PROTECTED]
>I want to write a trace procedure and call it with variable names, and I am 
>having trouble with the syntax.  My goal is to have a procedure that will 
>echo lines such as:
>
> Trace: $myvar="the contents of $myvar
>
> My attempt that didn't work is to write a function:
>
> function my_trace($m){
>   echo ("\n<br>TRACE: $m = ");
>   eval("\$t=\"$m\";");
>   echo($t."<br>\n");
> }
>
> and call it with statements like:
>
> my_trace("\$my_var");
> my_trace("\$_ENV[\"COMPUTERNAME\"]");
>
> What am I doing wrong, and how should this be done?  Also, should I post 
> to a different group?
>
> Thanks,
> Gil Grodsky
> [EMAIL PROTECTED] 

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