molong/sentcms
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

内核更新

Browse Source
This commit is contained in:
molong
2017-01-14 11:07:28 +08:00
parent 77c1f9c8bf
commit 109cf819be
10 changed files with 336 additions and 80 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
core/convention.php
View File

@@ -203,6 +203,8 @@ return [
'type' => '',
// 是否自动开启 SESSION
'auto_start' => true,
'httponly' => true,
'secure' => true,
],
// +----------------------------------------------------------------------

10
core/library/think/Model.php
View File

@@ -438,7 +438,11 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
// 类型转换
$value = $this->readTransform($value, $this->type[$name]);
} elseif (in_array($name, [$this->createTime, $this->updateTime])) {
$value = $this->formatDateTime($value, $this->dateFormat);
if (is_string($this->autoWriteTimestamp) && in_array(strtolower($this->autoWriteTimestamp), ['datetime', 'date', 'timestamp'])) {
$value = $this->formatDateTime(strtotime($value), $this->dateFormat);
} else {
$value = $this->formatDateTime($value, $this->dateFormat);
}
} elseif ($notFound) {
$method = Loader::parseName($name, 1, false);
if (method_exists($this, $method) && $this->$method() instanceof Relation) {
@@ -724,7 +728,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
$this->autoCompleteData($this->auto);
// 自动写入更新时间
if ($this->autoWriteTimestamp && $this->updateTime && !isset($this->data[$this->updateTime])) {
if ($this->autoWriteTimestamp && $this->updateTime && (empty($this->change) || !in_array($this->updateTime, $this->change))) {
$this->setAttr($this->updateTime, null);
}
@@ -781,7 +785,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
$this->autoCompleteData($this->insert);
// 自动写入创建时间
if ($this->autoWriteTimestamp && $this->createTime && !isset($this->data[$this->createTime])) {
if ($this->autoWriteTimestamp && $this->createTime && (empty($this->change) || !in_array($this->createTime, $this->change))) {
$this->setAttr($this->createTime, null);
}

2
core/library/think/Route.php
View File

@@ -1097,7 +1097,7 @@ class Route
* 绑定到模块/控制器
* @access public
* @param string $url URL地址
* @param string $class 控制器类名（带命名空间）
* @param string $controller 控制器类名（带命名空间）
* @param string $depr URL分隔符
* @return array
*/

7
core/library/think/Session.php
View File

@@ -77,7 +77,12 @@ class Session
ini_set('session.gc_maxlifetime', $config['expire']);
ini_set('session.cookie_lifetime', $config['expire']);
}
if (isset($config['secure'])) {
ini_set('session.cookie_secure', $config['secure']);
}
if (isset($config['httponly'])) {
ini_set('session.cookie_httponly', $config['httponly']);
}
if (isset($config['use_cookies'])) {
ini_set('session.use_cookies', $config['use_cookies'] ? 1 : 0);
}

4
core/library/think/Validate.php
View File

@@ -1222,9 +1222,9 @@ class Validate
$msg = Lang::get(substr($msg, 2, -1));
}
if (is_string($msg) && is_string($rule) && false !== strpos($msg, ':')) {
if (is_string($msg) && is_scalar($rule) && false !== strpos($msg, ':')) {
// 变量替换
if (strpos($rule, ',')) {
if (is_string($rule) && strpos($rule, ',')) {
$array = array_pad(explode(',', $rule), 3, '');
} else {
$array = array_pad([], 3, '');

2
core/library/think/cache/driver/File.php vendored
View File

@@ -21,7 +21,7 @@ class File extends Driver
{
protected $options = [
'expire' => 0,
'cache_subdir' => false,
'cache_subdir' => true,
'prefix' => '',
'path' => CACHE_PATH,
'data_compress' => false,

2
core/library/think/db/Builder.php
View File

@@ -316,7 +316,7 @@ abstract class Builder
throw new Exception('where express error:' . $exp);
}
}
$bindName = $bindName ?: 'where_' . str_replace('.', '_', $field);
$bindName = $bindName ?: 'where_' . str_replace(['.', '-'], '_', $field);
if (preg_match('/\W/', $bindName)) {
// 处理带非单词字符的字段名
$bindName = md5($bindName);

141
core/library/think/db/Connection.php
View File

@@ -95,6 +95,8 @@ abstract class Connection
'slave_no' => '',
// 是否严格检查字段是否存在
'fields_strict' => true,
// 数据返回类型
'result_type' => PDO::FETCH_ASSOC,
// 数据集返回类型
'resultset_type' => 'array',
// 自动写入时间戳字段
@@ -118,6 +120,9 @@ abstract class Connection
PDO::ATTR_EMULATE_PREPARES => false,
];
// 绑定参数
protected $bind = [];
/**
* 架构函数 读取数据库配置信息
* @access public
@@ -269,6 +274,10 @@ abstract class Connection
if (isset($config['resultset_type'])) {
$this->resultSetType = $config['resultset_type'];
}
// 数据返回类型
if (isset($config['result_type'])) {
$this->fetchType = $config['result_type'];
}
try {
if (empty($config['dsn'])) {
$config['dsn'] = $this->parseDsn($config);
@@ -319,22 +328,30 @@ abstract class Connection
/**
* 执行查询 返回数据集
* @access public
* @param string $sql sql指令
* @param array $bind 参数绑定
* @param bool $master 是否在主服务器读操作
* @param bool $class 是否返回PDO对象
* @param string $sql sql指令
* @param array $bind 参数绑定
* @param boolean $master 是否在主服务器读操作
* @param bool|string $class 指定返回的数据集对象
* @param bool $pdo 是否返回PDO对象
* @return mixed
* @throws BindParamException
* @throws PDOException
*/
public function query($sql, $bind = [], $master = false, $class = false)
public function query($sql, $bind = [], $master = false, $pdo = false)
{
$this->initConnect($master);
if (!$this->linkID) {
return false;
}
// 根据参数绑定组装最终的SQL语句
$this->queryStr = $this->getRealSql($sql, $bind);
// 记录SQL语句
$this->queryStr = $sql;
if ($bind) {
$this->bind = $bind;
}
//释放前次的查询结果
if (!empty($this->PDOStatement) && $this->PDOStatement->queryString != $sql) {
@@ -349,16 +366,22 @@ abstract class Connection
if (empty($this->PDOStatement)) {
$this->PDOStatement = $this->linkID->prepare($sql);
}
// 是否为存储过程调用
$procedure = in_array(strtolower(substr(trim($sql), 0, 4)), ['call', 'exec']);
// 参数绑定
$this->bindValue($bind);
if ($procedure) {
$this->bindParam($bind);
} else {
$this->bindValue($bind);
}
// 执行查询
$this->PDOStatement->execute();
// 调试结束
$this->debug(false);
$procedure = in_array(strtolower(substr(trim($sql), 0, 4)), ['call', 'exec']);
return $this->getResult($class, $procedure);
// 返回结果集
return $this->getResult($pdo, $procedure);
} catch (\PDOException $e) {
throw new PDOException($e, $this->config, $this->queryStr);
throw new PDOException($e, $this->config, $this->getLastsql());
}
}
@@ -377,8 +400,12 @@ abstract class Connection
if (!$this->linkID) {
return false;
}
// 根据参数绑定组装最终的SQL语句
$this->queryStr = $this->getRealSql($sql, $bind);
// 记录SQL语句
$this->queryStr = $sql;
if ($bind) {
$this->bind = $bind;
}
//释放前次的查询结果
if (!empty($this->PDOStatement) && $this->PDOStatement->queryString != $sql) {
@@ -393,8 +420,14 @@ abstract class Connection
if (empty($this->PDOStatement)) {
$this->PDOStatement = $this->linkID->prepare($sql);
}
// 参数绑定操作
$this->bindValue($bind);
// 是否为存储过程调用
$procedure = in_array(strtolower(substr(trim($sql), 0, 4)), ['call', 'exec']);
// 参数绑定
if ($procedure) {
$this->bindParam($bind);
} else {
$this->bindValue($bind);
}
// 执行语句
$this->PDOStatement->execute();
// 调试结束
@@ -403,7 +436,7 @@ abstract class Connection
$this->numRows = $this->PDOStatement->rowCount();
return $this->numRows;
} catch (\PDOException $e) {
throw new PDOException($e, $this->config, $this->queryStr);
throw new PDOException($e, $this->config, $this->getLastsql());
}
}
@@ -416,23 +449,21 @@ abstract class Connection
*/
public function getRealSql($sql, array $bind = [])
{
if ($bind) {
foreach ($bind as $key => $val) {
$value = is_array($val) ? $val[0] : $val;
$type = is_array($val) ? $val[1] : PDO::PARAM_STR;
if (PDO::PARAM_STR == $type) {
$value = $this->quote($value);
} elseif (PDO::PARAM_INT == $type) {
$value = (float) $value;
}
// 判断占位符
$sql = is_numeric($key) ?
substr_replace($sql, $value, strpos($sql, '?'), 1) :
str_replace(
[':' . $key . ')', ':' . $key . ',', ':' . $key . ' '],
[$value . ')', $value . ',', $value . ' '],
$sql . ' ');
foreach ($bind as $key => $val) {
$value = is_array($val) ? $val[0] : $val;
$type = is_array($val) ? $val[1] : PDO::PARAM_STR;
if (PDO::PARAM_STR == $type) {
$value = $this->quote($value);
} elseif (PDO::PARAM_INT == $type) {
$value = (float) $value;
}
// 判断占位符
$sql = is_numeric($key) ?
substr_replace($sql, $value, strpos($sql, '?'), 1) :
str_replace(
[':' . $key . ')', ':' . $key . ',', ':' . $key . ' '],
[$value . ')', $value . ',', $value . ' '],
$sql . ' ');
}
return rtrim($sql);
}
@@ -444,7 +475,7 @@ abstract class Connection
* @access public
* @param array $bind 要绑定的参数列表
* @return void
* @throws \think\Exception
* @throws BindParamException
*/
protected function bindValue(array $bind = [])
{
@@ -463,7 +494,34 @@ abstract class Connection
throw new BindParamException(
"Error occurred when binding parameters '{$param}'",
$this->config,
$this->queryStr,
$this->getLastsql(),
$bind
);
}
}
}
/**
* 存储过程的输入输出参数绑定
* @access public
* @param array $bind 要绑定的参数列表
* @return void
* @throws BindParamException
*/
protected function bindParam($bind)
{
foreach ($bind as $key => $val) {
if (is_numeric($key)) {
$key = $key + 1;
}
array_unshift($val, $key);
$result = call_user_func_array([$this->PDOStatement, 'bindParam'], $val);
if (!$result) {
$param = array_shift($val);
throw new BindParamException(
"Error occurred when binding parameters '{$param}'",
$this->config,
$this->getLastsql(),
$bind
);
}
@@ -473,19 +531,19 @@ abstract class Connection
/**
* 获得数据集
* @access protected
* @param bool|string $class true 返回PDOStatement 字符串用于指定返回的类名
* @param bool $procedure 是否存储过程
* @param bool $pdo 是否返回PDOStatement
* @param bool $procedure 是否存储过程
* @return mixed
*/
protected function getResult($class = '', $procedure = false)
protected function getResult($pdo = false, $procedure = false)
{
if (true === $class) {
if ($pdo) {
// 返回PDOStatement对象处理
return $this->PDOStatement;
}
if ($procedure) {
// 存储过程返回结果
return $this->procedure($class);
return $this->procedure();
}
$result = $this->PDOStatement->fetchAll($this->fetchType);
$this->numRows = count($result);
@@ -500,14 +558,13 @@ abstract class Connection
/**
* 获得存储过程数据集
* @access protected
* @param bool|string $class true 返回PDOStatement 字符串用于指定返回的类名
* @return array
*/
protected function procedure($class)
protected function procedure()
{
$item = [];
do {
$result = $this->getResult($class);
$result = $this->getResult();
if ($result) {
$item[] = $result;
}
@@ -698,7 +755,7 @@ abstract class Connection
*/
public function getLastSql()
{
return $this->queryStr;
return $this->getRealSql($this->queryStr, $this->bind);
}
/**
@@ -736,7 +793,7 @@ abstract class Connection
$error = '';
}
if ('' != $this->queryStr) {
$error .= "\n [ SQL语句 ] : " . $this->queryStr;
$error .= "\n [ SQL语句 ] : " . $this->getLastsql();
}
return $error;
}
@@ -771,7 +828,7 @@ abstract class Connection
// 记录操作结束时间
Debug::remark('queryEndTime', 'time');
$runtime = Debug::getRangeTime('queryStartTime', 'queryEndTime');
$sql = $sql ?: $this->queryStr;
$sql = $sql ?: $this->getLastsql();
$log = $sql . ' [ RunTime:' . $runtime . 's ]';
$result = [];
// SQL性能分析

244
core/library/think/db/Query.php
View File

@@ -409,7 +409,7 @@ class Query
if (isset($this->options['field'])) {
unset($this->options['field']);
}
$pdo = $this->field($field)->fetchPdo(true)->find();
$pdo = $this->field($field)->limit(1)->getPdo();
if (is_string($pdo)) {
// 返回SQL语句
return $pdo;
@@ -459,7 +459,7 @@ class Query
if ($key && '*' != $field) {
$field = $key . ',' . $field;
}
$pdo = $this->field($field)->fetchPdo(true)->select();
$pdo = $this->field($field)->getPdo();
if (is_string($pdo)) {
// 返回SQL语句
return $pdo;
@@ -522,7 +522,7 @@ class Query
* @param string $field 字段名
* @return float|int
*/
public function sum($field = '*')
public function sum($field)
{
return $this->value('SUM(' . $field . ') AS tp_sum', 0, true);
}
@@ -533,7 +533,7 @@ class Query
* @param string $field 字段名
* @return mixed
*/
public function min($field = '*')
public function min($field)
{
return $this->value('MIN(' . $field . ') AS tp_min', 0, true);
}
@@ -544,7 +544,7 @@ class Query
* @param string $field 字段名
* @return mixed
*/
public function max($field = '*')
public function max($field)
{
return $this->value('MAX(' . $field . ') AS tp_max', 0, true);
}
@@ -555,7 +555,7 @@ class Query
* @param string $field 字段名
* @return float|int
*/
public function avg($field = '*')
public function avg($field)
{
return $this->value('AVG(' . $field . ') AS tp_avg', 0, true);
}
@@ -972,6 +972,156 @@ class Query
return $this;
}
/**
* 指定Null查询条件
* @access public
* @param mixed $field 查询字段
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereNull($field, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'null', null);
return $this;
}
/**
* 指定NotNull查询条件
* @access public
* @param mixed $field 查询字段
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereNotNull($field, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'notnull', null);
return $this;
}
/**
* 指定Exists查询条件
* @access public
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereExists($condition, $logic = 'AND')
{
$this->options['where'][strtoupper($logic)][] = ['exists', $condition];
return $this;
}
/**
* 指定NotExists查询条件
* @access public
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereNotExists($condition, $logic = 'AND')
{
$this->options['where'][strtoupper($logic)][] = ['not exists', $condition];
return $this;
}
/**
* 指定In查询条件
* @access public
* @param mixed $field 查询字段
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereIn($field, $condition, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'in', $condition);
return $this;
}
/**
* 指定NotIn查询条件
* @access public
* @param mixed $field 查询字段
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereNotIn($field, $condition, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'not in', $condition);
return $this;
}
/**
* 指定Like查询条件
* @access public
* @param mixed $field 查询字段
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereLike($field, $condition, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'like', $condition);
return $this;
}
/**
* 指定NotLike查询条件
* @access public
* @param mixed $field 查询字段
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereNotLike($field, $condition, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'not like', $condition);
return $this;
}
/**
* 指定Between查询条件
* @access public
* @param mixed $field 查询字段
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereBetween($field, $condition, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'between', $condition);
return $this;
}
/**
* 指定NotBetween查询条件
* @access public
* @param mixed $field 查询字段
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereNotBetween($field, $condition, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'not between', $condition);
return $this;
}
/**
* 指定Exp查询条件
* @access public
* @param mixed $field 查询字段
* @param mixed $condition 查询条件
* @param string $logic 查询逻辑 and or xor
* @return $this
*/
public function whereExp($field, $condition, $logic = 'AND')
{
$this->parseWhereExp($logic, $field, 'exp', $condition);
return $this;
}
/**
* 分析查询表达式
* @access public
@@ -984,6 +1134,7 @@ class Query
*/
protected function parseWhereExp($logic, $field, $op, $condition, $param = [])
{
$logic = strtoupper($logic);
if ($field instanceof \Closure) {
$this->options['where'][$logic][] = is_string($op) ? [$op, $field] : $field;
return;
@@ -1003,20 +1154,23 @@ class Query
// 数组批量查询
$where = $field;
foreach ($where as $k => $val) {
$this->options['multi'][$k][] = $val;
$this->options['multi'][$logic][$k][] = $val;
}
} elseif ($field && is_string($field)) {
// 字符串查询
$where[$field] = ['null', ''];
$where[$field] = ['null', ''];
$this->options['multi'][$logic][$field][] = $where[$field];
}
} elseif (is_array($op)) {
$where[$field] = $param;
} elseif (in_array(strtolower($op), ['null', 'notnull', 'not null'])) {
// null查询
$where[$field] = [$op, ''];
$where[$field] = [$op, ''];
$this->options['multi'][$logic][$field][] = $where[$field];
} elseif (is_null($condition)) {
// 字段相等查询
$where[$field] = ['eq', $op];
$where[$field] = ['eq', $op];
$this->options['multi'][$logic][$field][] = $where[$field];
} else {
$where[$field] = [$op, $condition, isset($param[2]) ? $param[2] : null];
if ('exp' == strtolower($op) && isset($param[2]) && is_array($param[2])) {
@@ -1024,18 +1178,18 @@ class Query
$this->bind($param[2]);
}
// 记录一个字段多次查询条件
$this->options['multi'][$field][] = $where[$field];
$this->options['multi'][$logic][$field][] = $where[$field];
}
if (!empty($where)) {
if (!isset($this->options['where'][$logic])) {
$this->options['where'][$logic] = [];
}
if (is_string($field) && $this->checkMultiField($field)) {
$where[$field] = $this->options['multi'][$field];
if (is_string($field) && $this->checkMultiField($field, $logic)) {
$where[$field] = $this->options['multi'][$logic][$field];
} elseif (is_array($field)) {
foreach ($field as $key => $val) {
if ($this->checkMultiField($key)) {
$where[$key] = $this->options['multi'][$key];
if ($this->checkMultiField($key, $logic)) {
$where[$key] = $this->options['multi'][$logic][$key];
}
}
}
@@ -1043,10 +1197,16 @@ class Query
}
}
// 检查是否存在一个字段多次查询条件
private function checkMultiField($field)
/**
* 检查是否存在一个字段多次查询条件
* @access public
* @param string $field 查询字段
* @param string $logic 查询逻辑 and or xor
* @return bool
*/
private function checkMultiField($field, $logic)
{
return isset($this->options['multi'][$field]) && count($this->options['multi'][$field]) > 1;
return isset($this->options['multi'][$logic][$field]) && count($this->options['multi'][$logic][$field]) > 1;
}
/**
@@ -1115,9 +1275,9 @@ class Query
/**
* 分页查询
* @param int|null $listRows 每页数量
* @param int|bool $simple 简洁模式或者总记录数
* @param array $config 配置参数
* @param int|array $listRows 每页数量 数组表示配置参数
* @param int|bool $simple 是否简洁模式或者总记录数
* @param array $config 配置参数
* page:当前页,
* path:url路径,
* query:url额外参数,
@@ -1134,8 +1294,13 @@ class Query
$total = $simple;
$simple = false;
}
$config = array_merge(Config::get('paginate'), $config);
$listRows = $listRows ?: $config['list_rows'];
if (is_array($listRows)) {
$config = array_merge(Config::get('paginate'), $listRows);
$listRows = $config['list_rows'];
} else {
$config = array_merge(Config::get('paginate'), $config);
$listRows = $listRows ?: $config['list_rows'];
}
/** @var Paginator $class */
$class = false !== strpos($config['type'], '\\') ? $config['type'] : '\\think\\paginator\\driver\\' . ucwords($config['type']);
@@ -1400,7 +1565,7 @@ class Query
*/
public function fetchPdo($pdo = true)
{
$this->options['fetch_class'] = $pdo;
$this->options['fetch_pdo'] = $pdo;
return $this;
}
@@ -1479,7 +1644,7 @@ class Query
switch (strtolower($op)) {
case 'today':
case 'd':
$range = 'today';
$range = ['today', 'tomorrow'];
break;
case 'week':
case 'w':
@@ -1505,6 +1670,8 @@ class Query
case 'last year':
$range = [mktime(0, 0, 0, 1, 1, $date['year'] - 1), mktime(0, 0, 0, 1, 1, $date['year'])];
break;
default:
$range = $op;
}
$op = is_array($range) ? 'between' : '>';
}
@@ -2023,6 +2190,27 @@ class Query
}
}
/**
* 执行查询但只返回PDOStatement对象
* @access public
* @return \PDOStatement|string
*/
public function getPdo()
{
// 分析查询表达式
$options = $this->parseExpress();
// 生成查询SQL
$sql = $this->builder->select($options);
// 获取参数绑定
$bind = $this->getBind();
if ($options['fetch_sql']) {
// 获取实际执行的SQL语句
return $this->connection->getRealSql($sql, $bind);
}
// 执行查询操作
return $this->query($sql, $bind, $options['master'], true);
}
/**
* 查找记录
* @access public
@@ -2071,7 +2259,7 @@ class Query
if ($resultSet = $this->trigger('before_select', $options)) {
} else {
// 执行查询操作
$resultSet = $this->query($sql, $bind, $options['master'], $options['fetch_class']);
$resultSet = $this->query($sql, $bind, $options['master'], $options['fetch_pdo']);
if ($resultSet instanceof \PDOStatement) {
// 返回PDOStatement对象
@@ -2174,7 +2362,7 @@ class Query
if ($result = $this->trigger('before_find', $options)) {
} else {
// 执行查询
$result = $this->query($sql, $bind, $options['master'], $options['fetch_class']);
$result = $this->query($sql, $bind, $options['master'], $options['fetch_pdo']);
if ($result instanceof \PDOStatement) {
// 返回PDOStatement对象
@@ -2454,7 +2642,7 @@ class Query
$options['strict'] = $this->getConfig('fields_strict');
}
foreach (['master', 'lock', 'fetch_class', 'fetch_sql', 'distinct'] as $name) {
foreach (['master', 'lock', 'fetch_pdo', 'fetch_sql', 'distinct'] as $name) {
if (!isset($options[$name])) {
$options[$name] = false;
}

2
core/library/think/model/relation/BelongsToMany.php
View File

@@ -308,7 +308,7 @@ class BelongsToMany extends Relation
* @param bool $relationDel 是否同时删除关联表数据
* @return integer
*/
public function detach($data, $relationDel = false)
public function detach($data = null, $relationDel = false)
{
if (is_array($data)) {
$id = $data;