[PHP] Re: help needed building query string based on which form fieldsthat are filled.

[Edwin Boersma]

Don't get your question right, but you get all your vars in the querystring after submitting the form. There, you should check on whether or not the var is filled (i.e. $var <> "" or so). There's no other way :-( so your guess is pretty ok.

BTW: use Javascript to modify the submitted values.


Edwin

Anders Thoresson wrote:

Hi,
I've got a html form where not all fields need to be filled by the users. How can I build a MySQL query based on which fields the user have filled?
My guess is that I can do something like this:
if(!empty($f_name)) {
some_commands_to_add_$f_name_to_querystring
}
if(!empty($l_name)) {
some_commands_to_add_$f_name_to_querystring
}
some_commands_to_build_querystring_based_on_if's
$result = mysql_query($query)
But what commands/functions should I use to build the query?

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