This class is intended to allow easy session handling. It has a few methods:
/*----------------------------------------------------------*/
SessionHandler($myDomain,$path,$failURL,$sName="")
Purpose: Constructor for the class
$myDomain : the domain name for which the cookie variable must be set
$path : the path for which the coocki will be set
$failURL : an URL to be redirected to if a session can not be initialized
$sName : the session name. Will be used for global vars. It allows to instantiate multiple sessions
/*----------------------------------------------------------*/
function NoSessions()
Purpose : Redirect to a fail URL
/*----------------------------------------------------------*/
function Start() {
Purpose : Starts the session
/*----------------------------------------------------------*/
function SetVariable($varname,$initval)
Purpose : Sets a session variable
$varname : the variable name
$initval : initial value for that variable
/*----------------------------------------------------------*/
function GetVariable($varname)
Purpose : retrieves the value from a session variable
$varname : the variable name
/*----------------------------------------------------------*/
function UnsetVariable($varname)
Purpose : Unsets a session Variable
$varname : the variable to unset
/*----------------------------------------------------------*/
function SavePath($newPath="")
Purpose : Sets the session save directory, where the cookie files will be saved
$newPath : the directory. Parent directory must be writable by apache's user
/*----------------------------------------------------------*/
function Destroy()
Purpose : Frees the session instance
/*----------------------------------------------------------*/
A common use for this class would be:
<?
include("clsSessionHandler.php");
$mySessionHandler=new SessionHandler("http://www.mydomain.com","/","nosession.php","");
if ($mySessionHandler->SavePath("/tmp/mydomain.com-Sessions")) {
$mySessionHandler->Start();
}
if ($mySessionHandler->getVariable("myname")=="") {
$mySessionHandler->setVariable("myname","I'm a session");
header("location: $PHP_SELF");
} else {
echo $mySessionHandler->getVariable("myname");
}
?>
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