diff options
| -rw-r--r-- | include/functions_session.inc.php | 88 |
1 files changed, 60 insertions, 28 deletions
diff --git a/include/functions_session.inc.php b/include/functions_session.inc.php index bc3bb12ca..52970f0d3 100644 --- a/include/functions_session.inc.php +++ b/include/functions_session.inc.php @@ -36,39 +36,46 @@ if (isset($conf['session_save_handler']) 'pwg_session_gc' ); } -if (isset($conf['session_use_cookies'])) -{ - ini_set('session.use_cookies', $conf['session_use_cookies']); -} -if (isset($conf['session_use_only_cookies'])) -{ - ini_set('session.use_only_cookies', $conf['session_use_only_cookies']); -} -if (isset($conf['session_use_trans_sid'])) -{ - ini_set('session.use_trans_sid', intval($conf['session_use_trans_sid'])); -} -if (isset($conf['session_name'])) -{ - ini_set('session.name', $conf['session_name']); -} + +ini_set('session.use_cookies', $conf['session_use_cookies']); +ini_set('session.use_only_cookies', $conf['session_use_only_cookies']); +ini_set('session.use_trans_sid', intval($conf['session_use_trans_sid'])); +ini_set('session.name', $conf['session_name']); +/** + * returns true; used when the session_start() function is called + * + * @params not use but useful for php engine + */ function pwg_session_open($path, $name) { return true; } +/** + * returns true; used when the session is closed (unset($_SESSION)) + * + */ function pwg_session_close() { pwg_session_gc(); return true; } +/** + * this function returns + * a string corresponding to the value of the variable save in the session + * or an empty string when the variable doesn't exist + * + * @param string session id + */ function pwg_session_read($session_id) { $query = ' -SELECT data FROM '.SESSIONS_TABLE.' - WHERE id = \''.$session_id.'\''; +SELECT data + FROM '.SESSIONS_TABLE.' + WHERE id = \''.$session_id.'\' +;'; $result = pwg_query($query); if ($result) { @@ -81,46 +88,71 @@ SELECT data FROM '.SESSIONS_TABLE.' } } +/** + * returns true; writes set a variable in the active session + * + * @param string session id + * @data string value of date to be saved + */ function pwg_session_write($session_id, $data) { $query = ' -SELECT id FROM '.SESSIONS_TABLE.' - WHERE id = \''.$session_id.'\''; +SELECT id + FROM '.SESSIONS_TABLE.' + WHERE id = \''.$session_id.'\' +;'; $result = pwg_query($query); if (mysql_num_rows($result)) { $query = ' -UPDATE '.SESSIONS_TABLE.' SET expiration = now() - WHERE id = \''.$session_id.'\''; +UPDATE '.SESSIONS_TABLE.' + SET expiration = now() + WHERE id = \''.$session_id.'\' +;'; pwg_query($query); } else { $query = ' -INSERT INTO '.SESSIONS_TABLE.'(id,data,expiration) - VALUES(\''.$session_id.'\',\''.$data.'\',now())'; +INSERT INTO '.SESSIONS_TABLE.' + (id,data,expiration) + VALUES(\''.$session_id.'\',\''.$data.'\',now()) +;'; pwg_query($query); } return true; } +/** + * returns true; delete the active session + * + * @param string session id + */ function pwg_session_destroy($session_id) { $query = ' -DELETE FROM '.SESSIONS_TABLE.' - WHERE id = '.$session_id; +DELETE + FROM '.SESSIONS_TABLE.' + WHERE id = \''.$session_id.'\' +;'; pwg_query($query); return true; } +/** + * returns true; delete expired sessions + * called each time a session is closed. + */ function pwg_session_gc() { global $conf; $query = ' -DELETE FROM '.SESSIONS_TABLE.' +DELETE + FROM '.SESSIONS_TABLE.' WHERE UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(expiration) > ' - .$conf['session_length']; + .$conf['session_length'].' +;'; pwg_query($query); return true; } |