I have RTFM and TTFE and still am having a heck of a time getting my objects to play well between pages
The only real examples are in the notes for classes & objects
http://us2.php.net/manual/en/language.oop.php
(are you on php4 or php5 btw?)
Basic usage <? include_once("config.inc"); include_once("class.php");
indeed, you must include classes for objects stored in a session before starting the session. :-)
$songbook = new songbook(); // defined in the class.php
if you are creating this object on every page/call and then assigning it
to the session it will always have a blank/null userid. because
each call overwrites the old object thats stores with a brand new
one. so you need to check the session to see if a songbook
object is already available. so you only ever see the login screen in your example.
session_register('songbook');
alternative is using $_SESSION. but if you do you must call session_start() first:
session_start();
if (!isset($_SESSION['songbook']) || !is_object($_SESSION['songbook'])
|| !(get_class($_SESSION['songbook']) == 'songbook'))
{
$_SESSION['songbook'] = new songbook;
}$songbook->get_stats(); $songbook->populate_manu(); $songbook->populate_series(); if (!isset($songbook->userid) || $songbook->userid == "") { header("Location: login.php"); }
Now the login.php is basically the same but if the login correctly it should set $songbook->userid to the username
require('common.php');
session_start();
include_once("class.php");
$songbook = new songbook();
session_register('songbook');
include("newheader.php");
if ( isset($_POST['submitit'])) {
$link = dbconnector();
$sql = "select * from userinfo where lower(username)=lower('".$_POST['user']."') and lower(password)=lower('".$_POST['pass']."')";
$result = mysql_query($sql);
if( mysql_num_rows($result) > 0 ) {
$songbook->userid = strtolower($_POST['user']);
header("Location: green.php");
} else {
$errormsg = "<font size=3>Invalid Username or Password.<br>\nPlease Try Again.</font>";
}
}
So I guess what I am asking is how DO you make objects work across pages? -Dave
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