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[nycphp-talk] Passing Objects Via Session in PHP 4

Joseph Crawford codebowl at gmail.com
Mon Sep 27 11:55:10 EDT 2004


i am not sure ;) is it?


On Mon, 27 Sep 2004 11:58:02 -0400, Phillip Powell
<phillip.powell at adnet-sys.com> wrote:
> Isn't it a bit dangerous to pass an object not-serialized into a
> session?  Just an observation.
> 
> Phil
> 
> 
> 
> Joseph Crawford wrote:
> 
> >OMG dan i apoligise i cant believe i missed that on LOL
> >
> >
> >On Mon, 27 Sep 2004 09:23:46 -0500, Dan Cech <dcech at phpwerx.net> wrote:
> >
> >
> >>Hi Joe,
> >>
> >>I seem to recall some comment about 'i understand the use of sessions
> >>thanks' a little while ago, but I'll help you out anyway.
> >>
> >>You need to change the second if statement in your getObject function.
> >>It should read:
> >>
> >>function &getObject($class) {
> >>   if (!isset($_SESSION['objects'])) {
> >>     $_SESSION['objects'] = array();
> >>   }
> >>
> >>   if (!isset($_SESSION['objects'][$class])) {
> >>     $_SESSION['objects'][$class] =& new $class;
> >>   }
> >>
> >>   return $_SESSION['objects'][$class];
> >>}
> >>
> >>Dan
> >>
> >>
> >>
> >>Joseph Crawford wrote:
> >>
> >>
> >>>can anyone explain why this is not working?  i have done passing
> >>>objects via session before and i remember that the object class file
> >>>had to be included before the session_start for it to work, but this
> >>>doesnt seem to be working, i mean i have it set $db->test = 'page 1';
> >>>on page 1 and provide a link to page 2, but it doesnt seem to retain
> >>>the value for $test from page to page. :(
> >>>
> >>><?php
> >>>
> >>>// we will do our own error handling
> >>>error_reporting(0);
> >>>
> >>>// include the const.php file that holds all the necessary constants
> >>>include_once('const.php');
> >>>
> >>>include_once('class/mysql.class.php');
> >>>include_once('class/template.class.php');
> >>>
> >>>session_start();
> >>>
> >>>function &getObject($class) {
> >>>      if (!isset($_SESSION['objects'])) {
> >>>              $_SESSION['objects'] = array();
> >>>      }
> >>>
> >>>      if (!isset($_SESSION['_singleton'][$class])) {
> >>>              $_SESSION['objects'][$class] =& new $class;
> >>>      }
> >>>
> >>>      return $_SESSION['objects'][$class];
> >>>}
> >>>
> >>>$tpl = &getObject('template');
> >>>
> >>>// user defined error handling function
> >>>// taken from the example on http://us2.php.net/errorfunc
> >>>function myErrorHandler($errno, $errmsg, $filename, $linenum, $vars)
> >>>{
> >>>      global $tpl;
> >>>      // timestamp for the error entry
> >>>      $dt = date("Y-m-d H:i:s (T)");
> >>>
> >>>      // define an assoc array of error string
> >>>      // in reality the only entries we should
> >>>      // consider are E_WARNING, E_NOTICE, E_USER_ERROR,
> >>>      // E_USER_WARNING and E_USER_NOTICE
> >>>      $errortype = array (
> >>>      E_ERROR          => "Error",
> >>>      E_WARNING        => "Warning",
> >>>      E_PARSE          => "Parsing Error",
> >>>      E_NOTICE          => "Notice",
> >>>      E_CORE_ERROR      => "Core Error",
> >>>      E_CORE_WARNING    => "Core Warning",
> >>>      E_COMPILE_ERROR  => "Compile Error",
> >>>      E_COMPILE_WARNING => "Compile Warning",
> >>>      E_USER_ERROR      => "User Error",
> >>>      E_USER_WARNING    => "User Warning",
> >>>      E_USER_NOTICE    => "User Notice",
> >>>      E_STRICT          => "Runtime Notice"
> >>>      );
> >>>      // set of errors for which a var trace will be saved
> >>>      $user_errors = array(E_USER_ERROR, E_USER_WARNING, E_USER_NOTICE);
> >>>
> >>>      $err = "<errorentry>\n";
> >>>      $err .= "\t<datetime>" . $dt . "</datetime>\n";
> >>>      $err .= "\t<errornum>" . $errno . "</errornum>\n";
> >>>      $err .= "\t<errortype>" . $errortype[$errno] . "</errortype>\n";
> >>>      $err .= "\t<errormsg>" . $errmsg . "</errormsg>\n";
> >>>      $err .= "\t<scriptname>" . $filename . "</scriptname>\n";
> >>>      $err .= "\t<scriptlinenum>" . $linenum . "</scriptlinenum>\n";
> >>>
> >>>      if (in_array($errno, $user_errors)) {
> >>>              $err .= "\t<vartrace>" . wddx_serialize_value($vars, "Variables") .
> >>>"</vartrace>\n";
> >>>      }
> >>>      $err .= "</errorentry>\n\n";
> >>>
> >>>      // for testing
> >>>      // echo $err;
> >>>
> >>>      // save to the error log, and e-mail me if there is a critical user error
> >>>      error_log($err, 3, "D:/htdocs/NYPHPCode/error.log");
> >>>      if ($errno == E_USER_ERROR) {
> >>>              mail("jcrawford at codebowl.com", "Critical User Error", $err);
> >>>              $tpl->display('error.tpl');
> >>>      }
> >>>}
> >>>$old_error_handler = set_error_handler("myErrorHandler");
> >>>
> >>>
> >>>?>
> >>>
> >>>
> >>>
> >>_______________________________________________
> >>New York PHP Talk
> >>Supporting AMP Technology (Apache/MySQL/PHP)
> >>http://lists.nyphp.org/mailman/listinfo/talk
> >>http://www.newyorkphp.org
> >>
> >>
> >>
> >
> >
> >
> >
> >
> 
> -- 
> ---------------------------------------------------------------------------------
> Phil Powell
> Multimedia Programmer
> BPX Technologies, Inc.
> #: (703) 709-7218 x107
> Fax: (703) 709-7219
> 
> 
> 
> 
> _______________________________________________
> New York PHP Talk
> Supporting AMP Technology (Apache/MySQL/PHP)
> http://lists.nyphp.org/mailman/listinfo/talk
> http://www.newyorkphp.org
> 



-- 
Joseph Crawford Jr.
Codebowl Solutions
codebowl at gmail.com
802-558-5247

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