To answer your question:
$postfld = $HTTP_POST_VARS[$fname[$i]];
should work. BTW, I just use something like:
if ($client) { // or in your case: if (${$fname[$i]})
// code to be evaluated if $client exists and is not 0, not null/void/nil, and is
not an empty string
}
J
Matthew DeChant wrote:
> Specifically,
>
> If I have 3 HTTP_POST_VARS:
>
> HTTP_POST_VARS["client"] = test1
> HTTP_POST_VARS["directory"]= test2
> HTTP_POST_VARS["password"] =
>
> and I don't know the names of the vars ahead of time, how would I run a
> check to see if they exist and then get the specific POST_VARS's value. This
> is what I've got so far:
>
> $squery = "select * from $db where ";
> $qh = fw_query("select * from $db");
> $fields = odbc_num_fields($qh);
> for ($i=1;$i<=$fields;$i++) {
> # assign $fname the possible field names in the database
> (client,directory,password)
> $fname[$i] = odbc_field_name($qh,$i);
> # assign $postfld the variable name, ie. $HTTP_POST_VARS["client"]
> $postfld = $HTTP_POST_VARS["($fname[$i])"];
> # check that it exists and is not blank
> if (isset($postfld) AND ($postfld != "")) {
> $value[$i] = $postfld;
> $squery.= "$fname[$i] like $value[$i] AND ";
> }
> }
> # pop last AND
> $squery= substr($squery, 0,-5);
>
> so how do you make this work: $postfld = $HTTP_POST_VARS["($fname[$i])"];
>
> thanks,
>
> -m
>
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