/**
* Backup database data which will be affected during upgrade
*
* @param string $path path to backup directory
* @param Logger $log
* @return array backed up tables list
*/
function fn_uc_backup_database($path, $log)
{
$log->write('Backing up database: ' . $path, __FILE__, __LINE__);
$tables = array();
$db_files = array('db_scheme.sql', 'db_data.sql', 'db_lang_en.sql', 'db_lang_ru.sql');
foreach ($db_files as $db_file) {
if (file_exists($path . '/' . $db_file)) {
$f = fopen($path . '/' . $db_file, 'rb');
if (!empty($f)) {
while (!feof($f)) {
$s = fgets($f);
if (preg_match_all("/(INSERT INTO|REPLACE INTO|UPDATE|ALTER TABLE|RENAME TABLE|DELETE FROM|DELETE [\\w, ]+ FROM|DROP TABLE|CREATE TABLE)( IF EXISTS| IF NOT EXISTS)? [`]?(\\w+)[`]?/", $s, $m)) {
$tables[$m[3][0]] = true;
}
}
fclose($f);
}
}
}
$tables = array_keys($tables);
@fn_uc_rm($path . '/backup/uc.sql');
@fn_uc_rm($path . '/db_backup_tables.txt');
$bak_tables = fn_uc_backup_tables($tables, $path, $path . '/backup/uc.sql', $log);
if (false === $bak_tables) {
fn_set_notification('E', __('error'), __('text_uc_failed_to_backup_tables'));
return false;
}
return $bak_tables;
}
/**
* Backup database data which will be affected during upgrade
*
* @param string $path path to backup directory
* @return array backed up tables list
*/
function fn_uc_backup_database($path)
{
$tables = array();
if (file_exists($path . '/uc.sql')) {
$f = fopen($path . '/uc.sql', 'rb');
if (!empty($f)) {
while (!feof($f)) {
$s = fgets($f);
if (preg_match_all("/(INSERT INTO|REPLACE INTO|UPDATE|ALTER TABLE|RENAME TABLE|DELETE FROM|DROP TABLE|CREATE TABLE)( IF EXISTS| IF NOT EXISTS)? [`]?(\\w+)[`]?/", $s, $m)) {
$tables[$m[3][0]] = true;
}
}
fclose($f);
}
}
$tables = array_keys($tables);
@fn_uc_rm($path . '/backup/uc.sql');
return fn_uc_backup_tables($tables, $path . '/backup/uc.sql');
}