You can use $$var constuction, what display name of $var
function my_trace($var){
echo $$var.'='.$var.'<br>';
}
""nntp.charter.net"" <grodsky@xxxxxxxxx> ÓÏÏÂÝÉÌ/ÓÏÏÂÝÉÌÁ × ÎÏ×ÏÓÔÑÈ
ÓÌÅÄÕÀÝÅÅ: news:17.BE.20931.3EE20B24@xxxxxxxxxxxxxxx
>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
> ggrodsky@xxxxxxxxxxx
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