Re: classes?

On Thu, 16 Nov 2000, Kurth Bemis wrote: > At 01:17 AM 11/16/2000 -0500, Ignacio Vazquez-Abrams wrote: > >On Thu, 16 Nov 2000, Kurth Bemis wrote: > > > > > ok all i'm just starting to get involved with classes...and have a slight > > > problem......i don't understand how to access functions..i have been > > > reading the manual at php.net but that confuses even more....take a > > look at > > > some code i wrote... > > > > > > print "<a > > > href=\"$PHP_SELF?product=$product&quanity=1\">$title - > > $price</a>"; > > > > > > thats to add a item to my cart...... > > > > > > the class function looks like this... > > > > > > function add_item($table, $session, $product, $quantity) { > > > $qty = $this->check_item($table, $session, $product); > > > if($qty == 0) { > > > $query = "INSERT INTO $table (session, product, quantity) > > > VALUES "; > > > $query .= "('$session', '$product', > > > '$quantity') "; > > > mysql_query($query); > > > } else { > > > $quantity += $qty; > > > $query = "UPDATE $table SET quantity='$quantity' > > > WHERE > > > session='$session' AND "; > > > $query .= "product='$product' "; > > > mysql_query($query); > > > } > > > } > > > > > > my question is how to i pass that vars that i need to the class? am i > > > making sense here? > > > > > > ~kurth > > > Kurth Bemis - Network/Systems Administrator, USAExpress.net/Ozone Computer > > > > > > There is no sin except stupidity. -- Oscar Wilde > > > > > > kurth@usaexpress.net | ¹ > > > c{à„S߅ñæé¹http://www.usaexpress.net/kurth > > > PGP key available - > > > http://www.usaexpress.net/kurth/pgp > > > > > > Fight Weak Encryption! Donate your wasted CPU cycles to Distributed.net > > > (http://www.distributed.net) > > > > > > >First of all, don't use $PHP_SELF when dealing with things as vital as a > >shopping cart. Use a form with a method of POST. Then, have the action go > >to a second script where you use $HTTP_POST_VARS to retrieve the variables > >and add the item, then emit a "Location:" header to bounce back to the > >original script. > > ok...what about referring to the class - am i doing that correctly? > > >-- > >Ignacio Vazquez-Abrams <ignacio@openservices.net> > > Kurth Bemis - Network/Systems Administrator, USAExpress.net/Ozone Computer > > There is no sin except stupidity. -- Oscar Wilde > > kurth@usaexpress.net | http://www.usaexpress.net/kurth > PGP key available - http://www.usaexpress.net/kurth/pgp > > Fight Weak Encryption! Donate your wasted CPU cycles to Distributed.net > (http://www.distributed.net) > Well, you need to call the object's method passing the various variables as $HTTP_POST_VARS[$whatever], and you also need to keep track of the $table and $session variables and pass those as well like this: $obj->add_item("itemtable", $HTTP_COOKIE_VARS["sessionid" /* or whatever *?], $HTTP_POST_VARS["product"], $HTTP_POST_VARS["quantity"]); -- Ignacio Vazquez-Abrams <ignacio@openservices.net>