yes, this is true, we should add empty() function too.

"Ross Honniball" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> I'm not 100% sure, but you may want to also check if the field is empty
> (using empty() function) before including in your search. (in addition to
> isset)
>
> Also, just a caution, you will need to take some care in figuring when and
> where to place your 'and' statements linking the various parts of the
query.
>
> At 08:01 AM 27/05/2004, you wrote:
> >Nabil wrote:
> >
> > > "David Robley" <[EMAIL PROTECTED]> wrote in message
> > > news:[EMAIL PROTECTED]
> > >> Nabil wrote:
> > >>
> > >> >  hi all....
> > >> >
> > >> > Is there a way to condition your search:
> > >> >
> > >> > -I have a form for four text boxes for search my Mysql...
> > >> > -I don't want to write 4 conditions and for SQL statements incase
he
> > >> > decided not to search with all keywords (fields)
> > >> > - I have by example : name, lastname , nickname and phone  form...
> > >> > I need a way to select my records even one or more field were null
> > >> > (searching only on of the above)
> > >> >
> > >> > because the following SQL will generate null result
> > >> >
> > >> >
> > >> > $name=$_POST['naame'];
> > >> > $lastname=$_POST['lastname'];
> > >> > $nickname=$_POST['nickname'];
> > >> > $m_date=$_POST['m_dateY'];
> > >> > echo $name.$lastname.$nickname.$m_date;
> > >> >
> > >> > "SELECT id, name , lastname , m_date from users
> > >> > where
> > >> > name like binary '%$name%' and lastname like binary '%$lastname%'
and
> > >> > nickname like binary  '%$nickname%' and m_date= YEAR('$m_date')
order
> > > by
> > >> > id ASC ") or die(mysql_error());
> > >> >
> > >> >
> > >> >
> > >> > Thanks in advanced
> > >>
> > >> Use isset to test whether the POST values are set and only include in
the
> > >> query if there is a value.
> >
> > > thanks .. but my question is not for isset... i m thinking consider
that i
> > > have 10 search fields... if i have to do a combination then i need a
day
> > > to right the various SQL statements
> >
> >So do something like:
> >
> >$query = "SELECT id, name , lastname , m_date from users where 1 ";
> >if (isset($_POST['name'])) {
> >   $query .= "AND name like binary '%{$-POST['name']}%' ";
> >}
> >if (isset($_POST['lastname'])) {
> >   $query .= "AND name like binary '%{$_post['lastname']}%' ";
> >}
> >//etc etc
> >$query .= " order by id ASC ";
> >$sql = mysql_query($query) or die(mysql_error());
> >
> >
> >--
> >David Robley
> >
> >Only cosmetologists give make-up exams.
> >
> >--
> >PHP Database Mailing List (http://www.php.net/)
> >To unsubscribe, visit: http://www.php.net/unsub.php
>
> .
> . Ross Honniball. JCU Bookshop Cairns, Qld, Australia.
> .

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