RE: [PHP] deciperhing oop

Thank you everyone for helping. I didn't know you have to put $this-> in front of all variables in the class. You learn something new every day ( I thought you only needed to use that once to make the variable available everywhere in the class up till now). Larry S. Brown Dimension Networks, Inc. (727) 723-8388 -----Original Message----- From: Jim Lucas [mailto:phplist@zonedzero.net] Sent: Monday, March 03, 2003 6:50 PM To: Larry Brown; PHP List Subject: Re: [PHP] deciperhing oop the second argument in the mysql_select_db call in not in scope. you should be using $this->db instead of $db Jim ----- Original Message ----- From: "Larry Brown" <larry.brown@dimensionnetworks.com> To: "PHP List" <php-general@lists.php.net> Sent: Monday, March 03, 2003 2:52 PM Subject: [PHP] deciperhing oop > Can someone who is used to using php oop help me figure out why this fails? > I know there are probably a thousand classes already designed to do this and > probably 100 times more efficient, but this is how I learn. From what I've > read this should work but there is obviously something I'm missing. > > Quick problem description: > Trying to set up class to connect to mysql db. Already used a procedural > test successfully connecting to db. Error is displayed as... > > Warning: mysql_select_db(): supplied argument is not a valid MySQL - Link > resource in /var/www/html/oop.php on line 67 > Database Selection to main failed. > > Code: > > Class dbConnect > { > var $machine; > var $port; > var $user; > var $password; > var $query; > var $result; > var $dbase; > var $db; > var $sel; > > function dbConnect($machine,$port,$user,$password) > { > $this->machine = $machine; > $this->port = $port; > $this->user = $user; > $this->password = $password; > > $db = mysql_pconnect ("$machine","$user","$password") > if (!$db) > { > die ("Initial connection to DB failed.") > } > $this->db = $db; > } > function setDbase($dbase) > { > $this->dbase = $dbase; > > $sel = mysql_select_db("$dbase",$db); > if(!$db) > { > die ("Database Selection to $dbase failed."); > } > } > } > > $dbn = new > dbConnect("localhost","3306","bob","hjhyt4kl5"); > > $dbn->setDbase("main"); > > > > > > > So why can't I use $db? Isn't the statement $this->db=$db making it > available to the setDbase function? > > Larry S. Brown > Dimension Networks, Inc. > (727) 723-8388 > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >