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GeezerVison is showing github.com — phpSession/session.class.php at master · adrius/phpSession

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<?php
/*
* Satellite class for session handling.
*/
class Session
{
public function __construct( $autostart = TRUE )
{
$this->started = ( isset( $_SESSION ) ? TRUE : FALSE );
if ( $autostart == TRUE && $this->started == FALSE )
{
$this->start();
}
}
/* Avoids that pesky notice error if the session was already started previously in the stack. --Kris */
public function start()
{
if ( !$this->started )
{
session_start();
$this->started = TRUE;
}
}
/* Stop the session. --Kris */
public function stop( $clear_cookie = TRUE, $clear_data = TRUE )
{
if ( $this->started )
{
if ( $clear_cookie == TRUE
&& ini_get( "session.use_cookies" ) == TRUE )
{
$params = session_get_cookie_params();
setcookie( session_name(), '', time() - 42000,
$params["path"], $params["domain"], $params["secure"], $params["httponly"] );
}
if ( $clear_data == TRUE )
{
$_SESSION = array();
}
session_destroy();
session_write_close();
$this->started = FALSE;
}
}
/* Generates a random string for use as a new sessionid or any other purpose. --Kris */
public function generate_sid( $chars = 100, $alpha = TRUE, $numeric = TRUE, $symbols = TRUE, $timestamp = TRUE )
{
if ( $chars <= 0 || !is_numeric( $chars ) )
{
return FALSE;
}
$salt = NULL;
if ( $alpha == TRUE )
{
$salt .= "abcdefghijklmnopqrstuvwxyz";
}
if ( $numeric == TRUE )
{
$salt .= "1234567890";
}
if ( $symbols == TRUE )
{
$salt .= "-_";
}
$sid = NULL;
for ( $c = 1; $c <= $chars; $c++ )
{
$sid .= $salt{mt_rand( 0, strlen( $salt ) - 1 )};
if ( mt_rand( 0, 1 ) == 1 )
{
$sid{strlen( $sid ) - 1} = strtoupper( $sid{strlen( $sid ) - 1} );
}
}
if ( $timestamp == TRUE )
{
$sid .= time();
}
return $sid;
}
public function set( $var, $val )
{
$_SESSION[$var] = $val;
}
public function clear( $var )
{
unset( $_SESSION[$var] );
}
public function get( $var )
{
return ( isset( $_SESSION[$var] ) ? $_SESSION[$var] : FALSE );
}
}
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