function export_db($is_backup = false)
{
global $db, $db_host, $db_user, $db_pass, $db_name, $db_port;
$stime = microtime(true);
if ($is_backup) {
$output_file = str_replace('\\', '/', getcwd()) . "/backup/" . date("Y-m-d_H-i-s") . ".php";
} else {
$changes = get_changes();
$i = 0;
while (true) {
$i += 1;
$file_name = date("Y-m-d") . "-" . sprintf("%02d", $i);
$ver = (int) str_replace('-', '', $file_name);
if (array_key_exists($ver, $changes) == false) {
break;
}
}
$output_file = str_replace('\\', '/', getcwd()) . "/changes/" . $file_name . ".dump.php";
}
$file = fopen($output_file, 'c');
$tables = get_tables($db_host, $db_user, $db_pass, $db_name, $db_port);
$max_length = get_max_length($tables);
fwrite($file, "<?php\n\n");
fwrite($file, "echo \"\\n\\n\";\n");
fwrite($file, "\n execute(\"\n /*!40101 SET NAMES utf8 */;\n\n /*!40101 SET SQL_MODE=''*/;\n\n /*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;\n /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;\n /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;\n /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;\n \");\n ");
foreach ($tables as $table) {
if ($table == "db_version") {
continue;
}
if ($is_backup) {
echo "backup ";
} else {
echo "dump ";
}
echo $table . " ";
$dots = generate_char($max_length, strlen($table), '.');
echo $dots . "......... ";
$sql = get_create_table_sql($db, $table);
fwrite($file, 'if ($db_version == 0)' . "\n{\n");
fwrite($file, " echo \" " . $table . " " . $dots . "......... \";\n\n");
fwrite($file, " execute(\"\n");
fwrite($file, $sql);
fwrite($file, "\n\");\n\n");
fwrite($file, " echo \"[created]\\n\"; \n");
fwrite($file, "}\n\n");
if ($is_backup == false && strpos($table, "player") === 0) {
echo "[ignore]\n";
continue;
}
$fields = get_table_fields($db, $table);
$sql = get_insert_into_sql($db, $table, $fields);
fwrite($file, "echo \" " . $table . " " . $dots . "......... \";\n\n");
fwrite($file, "execute(\"DELETE FROM `" . $table . "`\");\n\n");
if ($sql != "") {
fwrite($file, "execute(\"\n");
fwrite($file, $sql);
fwrite($file, "\");\n\n");
}
fwrite($file, "echo \"[loaded]\\n\"; \n");
fwrite($file, "\n");
echo "[done]\n";
}
fwrite($file, "\n execute(\"\n /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;\n /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;\n /*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;\n /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;\n \");\n ");
fwrite($file, "echo \"\\n\";\n");
fwrite($file, "?>\n");
fclose($file);
if ($is_backup == false) {
$sql = "UPDATE `db_version` SET `version` = " . $ver . ", `change_time` = UNIX_TIMESTAMP()";
if ($db->query($sql) === FALSE) {
die("can't update db_version");
}
}
$etime = microtime(true);
echo "\ndatabase ";
if ($is_backup) {
echo "backup ";
} else {
echo "dump ";
}
echo "complete in " . round($etime - $stime, 2) . "s\n";
}
function create_tables($db1, $tables1, $tables2)
{
global $options;
$sql = '';
$table_names = array_diff(array_keys($tables1), array_keys($tables2));
foreach ($table_names as $t) {
$sql .= get_create_table_sql($t, $db1) . ";\n\n";
}
fputs($options->ofh, $sql);
}