function dump_database($next_ver)
{
global $db, $err, $prefix;
include_once ROOT_PATH . 'admin/includes/cls_sql_dump.php';
require_once ROOT_PATH . 'upgrade/packages/' . $next_ver . '/dump_table.php';
/* 备份表为空时不作备份，返回真 */
if (empty($temp)) {
return true;
}
@set_time_limit(300);
$dump = new cls_sql_dump($db);
$run_log = ROOT_PATH . 'data/sqldata/run.log';
$sql_file_name = $next_ver;
$max_size = '2048';
$vol = 1;
/* 变量验证 */
$allow_max_size = intval(@ini_get('upload_max_filesize'));
//单位M
if ($allow_max_size > 0 && $max_size > $allow_max_size * 1024) {
$max_size = $allow_max_size * 1024;
//单位K
}
if ($max_size > 0) {
$dump->max_size = $max_size * 1024;
}
$tables = array();
foreach ($temp as $table) {
$tables[$prefix . $table] = -1;
}
$dump->put_tables_list($run_log, $tables);
/* 开始备份 */
$tables = $dump->dump_table($run_log, $vol);
if ($tables === false) {
$err->add($dump->errorMsg());
return false;
}
if (@file_put_contents(ROOT_PATH . 'data/sqldata/' . $sql_file_name . '.sql', $dump->dump_sql)) {
return true;
} else {
return false;
}
}
}
if (($mask & 2) < 1) {
$warning .= $_LANG['cannot_write'];
}
if (($mask & 4) < 1) {
$warning .= $_LANG['cannot_add'];
}
if (($mask & 8) < 1) {
$warning .= $_LANG['cannot_modify'];
}
sys_msg($warning, 1);
}
/* 设置最长执行时间为5分钟 */
@set_time_limit(300);
/* 初始化 */
$dump = new cls_sql_dump($db);
$run_log = ROOT_PATH . DATA_DIR . '/sqldata/run.log';
/* 初始化输入变量 */
if (empty($_REQUEST['sql_file_name'])) {
$sql_file_name = $dump->get_random_name();
} else {
$sql_file_name = str_replace("0xa", '', trim($_REQUEST['sql_file_name']));
// 过滤 0xa 非法字符
$pos = strpos($sql_file_name, '.sql');
if ($pos !== false) {
$sql_file_name = substr($sql_file_name, 0, $pos);
}
}
$max_size = empty($_REQUEST['vol_size']) ? 0 : intval($_REQUEST['vol_size']);
$vol = empty($_REQUEST['vol']) ? 1 : intval($_REQUEST['vol']);
$is_short = empty($_REQUEST['ext_insert']) ? false : true;
