PHParadise | category sessions and co | copy source code of sessions class

copy the code of sessions and co / sessions class

<?php

/*------------------------------------------------------------------------------
|
|                             PHParadise source code
|
|-------------------------------------------------------------------------------
|
| file:             sessions class
| category:         sessions and co
|
| last modified:    Mon, 20 Jun 2005 16:41:09 GMT
| downloaded:       Thu, 24 May 2012 08:25:00 GMT as copy from textarea
|
| code URL:
| http://phparadise.de/php-code/sessions-and-co/sessions-class/
|
| description:
| session class for an easy session handling.
|
------------------------------------------------------------------------------*/

class Session
{
	
	// Start a new session
	// Syntax: $session = new session();
	
	function Session()
	{
		session_start();
	}
			
	// Set a variable in a current session
	// Syntax: $session->set_var("Var name", "Value");
	
	function set_var($varname,$varvalue)
	{
		if(!isset($varname) || !isset($varvalue) )
		{
			die('Function setvar( String $varname, mixed $value ) expects two parameters!');
		}
		if(phpversion() >= "4.1.0")
		{
			$_SESSION[$varname] = $varvalue;
		}
		if(!isset($GLOBALS[$varname]) )
		{
			$GLOBALS[$varname] = $varvalue;
		}else{
			global $HTTP_SESSION_VARS;
			session_register($varname);
			$GLOBALS['HTTP_SESSION_VARS'][$varname] = $varvalue;
			if(!isset($GLOBALS[$varname]) )
			{
				$GLOBALS[$varname] = $varvalue;
	
			}
		}
	}
			
	// Get a variable from current session
	// Syntax: $variable = $session->get_var("var name");
	// echo "$variable" to get grabbed session variable
	
	function get_var( $varname )
	{
		if(!isset($varname))
		{
			die('Function getvar( String $varname ) expects a parameter!');
		}
		if( phpversion() >= "4.1.0" )
		{ 
			if (isset($GLOBALS[$varname]))
			{ 
				return $GLOBALS[$varname];
			}
			elseif (isset($GLOBALS['_SESSION'][$varname]))
			{
				$GLOBALS[$varname] = $GLOBALS['_SESSION'][$varname];
				return $GLOBALS['_SESSION'][$varname];
			}
		}else{
			if (isset($GLOBALS[$varname]))
			{ 
				return $GLOBALS[$varname];
			}
			elseif (isset($GLOBALS['HTTP_SESSION_VARS'][$varname]))
			{
				$GLOBALS[$varname] = $GLOBALS['HTTP_SESSION_VARS'][$varname];
				return $GLOBALS['HTTP_SESSION_VARS'][$varname];
			}
		}
	}
			
	// Get a current session string (EXAMPLE: PHPSESSID=b188e8c9c45b347cdded2)
	// Syntax: $sid = $session->get_sid_string();
	// echo "$sid" to grab the string id. By default it uses PHPSESSID= variable
	
	function get_sid_string()
	{
		return session_name() . "=" . session_id();
	}
	
	// Get current session ID (EXAMPLE: whatever=b188e8c9c45b347cdded2)
	// Syntax: $sid = $session->get_sid();
	
	function get_sid()
	{
		return session_id();
	}
	
	// Unset a current session variable
	// Syntax: $session->var_unset("variable name");
	
	function var_unset($varname)
	{
		if(!isset($varname))
		{
			die('Function var_unset( String $varname ) expects a parameter!');
		}
		if( phpversion() >= '4.1.0')
		{
			if(isset($GLOBALS[$varname]))
			{
				unset($GLOBALS[$varname] );
			}
			if (isset($GLOBALS['_SESSION'][$varname]))
			{ 
				unset($GLOBALS['_SESSION'][$varname]);
			}
		}else{
			if (isset($GLOBALS[$varname]))
			{ 
				unset($GLOBALS[$varname] );
			}
			if (isset($GLOBALS['HTTP_SESSION_VARS'][$varname]))
			{
				unset($GLOBALS['HTTP_SESSION_VARS'][$varname]);
			}
		}
	}
	
	// Unset every variable in the current session 
	// Syntax: $session->ses_unset();
	
	function ses_unset()
	{
		if(phpversion() >= '4.1.0')
		{
			if(isset($GLOBALS['_SESSION'])) $a = $GLOBALS['_SESSION'];
			{
				while(list($key,) = each($a))
				{
					$this->var_unset($key);
				}
			}
		}else{
			if(isset($GLOBALS['HTTP_SESSION_VARS']))
			{
				$a = $GLOBALS['HTTP_SESSION_VARS'];
				while(list($key,) = each($a))
				{
					$this->var_unset($key);
				}
			}
		}
	}
	
	// This will delete your current session and delete every session variable created
	// Syntax: $session->destroy();
	
	function destroy()
	{
		$this->ses_unset();
		session_destroy();
	}
			
	// Display all variables in a current session
	// Syntax: $session->show();
	
	function show()
	{
		echo 'Variables set in current session: ';
		if(phpversion() >= '4.1.0')
		{
			if(isset($GLOBALS['_SESSION']))
			{
				$a = $GLOBALS['_SESSION'];
				while(list($key,$value) = each($a))
				{
					echo 'Variable: '.$key.' - Value: '.$value.' ';
				}
			}
		} else {
			if(isset($GLOBALS['HTTP_SESSION_VARS']))
			{
				$a = $GLOBALS['HTTP_SESSION_VARS'];
				while(list($key,$value) = each($a))
				{
					echo 'Variable: '.$key.' - Value: '.$value.' ';
				}
			}
		}
	}
}

PHParadise source code of “sessions class” in category “sessions and co”

PHParadise > sessions and co > sessions class

copy the code of sessions and co / sessions class