public function write($sessID, $sessDara)
{
if (!$this->_isWrite) {
return true;
}
if (!isset($_SESSION['sid']) || $_SESSION['sid'] != $sessID) {
$_SESSION['sid'] = $sessID;
}
$newExpires = time() + $this->lifeTime;
if (!$this->_sessions['expires'] || $newExpires >= $this->_sessions['expires'] + $this->updateTime) {
$_SESSION['expires'] = $newExpires;
}
#$this->log("WRITE:".$sessID."",'sessions',1);
#$this->log("OLD_SESSIONS:".var_export($this->_sessions,true)."",'sessions',1);
#$this->log("SESSIONS:".var_export($_SESSION,true)."",'sessions',1);
$arrChanges = array();
foreach ($_SESSION as $key => $val) {
if (isset($this->_sessions[$key])) {
//不相同的数据 修改并记录
if ($key != 'data' && $this->_sessions[$key] != $val) {
$this->_sessions[$key] = $val;
$arrChanges[$key] = $key;
}
} elseif (!isset($this->_sessions['data'][$key]) || $this->_sessions['data'][$key] != $val) {
// 不存在SESSION字段中的数据 插入到DATA字段中 比较原因 不支持数组
$this->_sessions['data'][$key] = $val;
$arrChanges['data'] = 'data';
#$this->log("CHANGE:"."{$key}",'sessions',1);
}
}
//判断SESSION DATA数据是否被删除
foreach ($this->_sessions['data'] as $key => $val) {
if (!isset($_SESSION[$key])) {
unset($this->_sessions['data'][$key]);
$arrChanges['data'] = 'data';
#$this->log("CHANGE:"."{$key}",'sessions',1);
}
}
if (!empty($arrChanges)) {
#$this->log("WRITECHANGES:".var_export($arrChanges,true),'sessions',1);
if (!isset($arrChanges['expires'])) {
$arrChanges['expires'] = 'expires';
$this->_sessions['expires'] = time() + $this->lifeTime;
}
if (isset($arrChanges['sid'])) {
//删除已有
//$deleSql = "DELETE FROM sessions WHERE player_id='{$this->_sessions['player_id']}'";
//$this->query($deleSql);
$insertSql = "REPLACE INTO sessions (" . implode(',', $arrChanges) . ") VALUES (";
$condition = "";
foreach ($arrChanges as $cField) {
if ($cField == 'data') {
$cData = Com_System::s_json_encode($this->_sessions[$cField]);
} else {
$cData = $this->_sessions[$cField];
}
$condition .= ($condition ? ', ' : '') . "'{$cData}'";
}
$insertSql .= $condition . ")";
$this->query($insertSql);
#$this->log("WRITE:".$insertSql,'sessions',1);
} else {
$updateSql = "UPDATE sessions SET ";
$condition = "";
foreach ($arrChanges as $cField) {
if ($cField == 'data') {
$cData = Com_System::s_json_encode($this->_sessions[$cField]);
} else {
$cData = $this->_sessions[$cField];
}
$condition .= ($condition ? ', ' : '') . "{$cField} = '{$cData}'";
}
$condition .= " WHERE sid = '{$sessID}'";
$updateSql .= $condition;
$this->query($updateSql);
#$this->log("WRITE:".$updateSql,'sessions',1);
}
$result = $this->affected_rows();
if ($result >= 0) {
if ($result > 0 && (isset($arrChanges['sid']) || isset($arrChanges['player_id']) || $this->_sessions['player_level'] < 15)) {
$result = $this->set_cache($this->get_cache_name($sessID), $this->_sessions, $this->expire);
#$this->log("WRITE CACHE: RESULT = {$result}",'sessions',1);
} else {
$result = $this->delete_cache($this->get_cache_name($sessID));
#$this->log("DELETE CACHE: RESULT = {$result}",'sessions',1);
}
} else {
return false;
}
}
return true;
}
