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functions.inc.php
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<?php
/*
+--------------------------------------------------------------------------+
| phpMyBackupPro |
+--------------------------------------------------------------------------+
| Copyright (c) 2004-2015 by Dirk Randhahn |
| http://www.phpMyBackupPro.net |
| version information can be found in definitions.php. |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License |
| as published by the Free Software Foundation; either version 2 |
| of the License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.|
+--------------------------------------------------------------------------+
*/
// default debug function
function PMBP_debug($object)
{
echo "<pre>";
print_r($object);
echo "</pre>";
}
// prints the basis html header in the $lang language with $scriptname scriptname
function PMBP_print_header($scriptname)
{
global $CONF;
global $_POST;
global $PMBP_SYS_VAR;
global $PMBP_MU_CONF;
// register callback handler
ob_start("PMBP_shutdown_handler");
if (!isset($CONF['stylesheet'])) {
$CONF['stylesheet'] = "standard";
}
echo "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01
Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">
<html" . ARABIC_HTML . ">
<head>
<title>phpMyBackupPro " . PMBP_VERSION;
// print mu mode info in browser title
if ($_SESSION['multi_user_mode']) {
echo " (Multi User Mode)";
}
if (isset($_SESSION['sql_user']) && isset($_SESSION['sql_passwd'])) {
if ($_SESSION['sql_user'] && $_SESSION['sql_user'] == $PMBP_MU_CONF['sql_user_admin'] && $_SESSION['sql_passwd'] == $PMBP_MU_CONF['sql_passwd_admin']) {
echo " (Multi User Mode Administration)";
}
}
if (!file_exists(PMBP_STYLESHEET_DIR . $CONF['stylesheet'] . ".css")) {
if (!file_exists(PMBP_STYLESHEET_DIR . ($CONF['stylesheet'] = "standard") . "css")) {
echo "STYLESHEET IS MISSING!";
}
}
echo "</title>
<meta http-equiv=\"Content-Type\" content=\"text/html;charset=utf-8\">
<meta name=\"robots\" content=\"noindex\">
<meta name=\"robots\" content=\"nofollow\">
<link href=\"images/favicon.png\" type=\"image/png\" rel=\"icon\">
<link rel=\"stylesheet\" href=\"" . PMBP_STYLESHEET_DIR . $CONF['stylesheet'] . ".css\" type=\"text/css\">
";
readfile(PMBP_JAVASCRIPTS);
// define menue
$menu = array("index.php" => F_START);
// disable config tab
if (!$PMBP_SYS_VAR['C_disable_config']) {
$menu = array_merge($menu, array("config.php" => F_CONFIG));
}
$menu = array_merge($menu, array("import.php" => F_IMPORT, "backup.php" => F_BACKUP, "scheduled.php" => F_SCHEDULE, "db_info.php" => F_DB_INFO));
// disable sql queries in mu mode if allow_sql_queries is false or if the system-variable C_disable_sqlquery is set
if ((!$PMBP_SYS_VAR['C_disable_sqlquery'] && $_SESSION['multi_user_mode'] && $PMBP_MU_CONF['allow_sql_queries']) || (!$PMBP_SYS_VAR['C_disable_sqlquery'] && !$_SESSION['multi_user_mode'])) {
$menu = array_merge($menu, array("sql_query.php" => F_SQL_QUERY));
}
$accesskeys = array("index.php" => "m", "config.php" => "c", "import.php" => "i", "backup.php" => "b", "scheduled.php" => "s", "db_info.php" => "d", "sql_query.php" => "q", "logout" => "l", "help" => "h");
$simple_width = 140;
$width = count($menu) * $simple_width;
echo "</head>
<body><center>
<table width=\"" . $width . "\">
<colgroup>
<col span=\"" . count($menu) . "\" width=\"" . $simple_width . "\">
</colgroup>
<tr>
<th colspan=\"" . count($menu) . "\" class=\"active\" id=\"menu\">\n";
// print titel
echo "<div id=\"logo\">\n";
echo PMBP_image_tag("logo.png", "phpMyBackupPro", "phpMyBackupPro Homepage", PMBP_WEBSITE);
echo " " . PMBP_VERSION . "\n";
// support links
echo "<div style=\"position:relative;left:380px;top:-40px\">";
echo "\n<a href=\"http://sourceforge.net/donate/index.php?group_id=76148\"><img src=\"http://images.sourceforge.net/images/project-support.jpg\" width=\"88\" height=\"32\" border=\"0\" alt=\"Support phpMyBackupPro\" /> </a>";
echo "\n<a href=\"http://flattr.com/thing/464503/phpMyBackupPro-the-MySQL-backup-tool\" target=\"_blank\" >\n<img src=\"http://api.flattr.com/button/flattr-badge-large.png\" alt=\"Flattr this\" title=\"Flattr this\" border=\"0\" /></a>";
echo "</div>";
echo "</div>\n<div id=\"help\">\n";
// generate popup link for proper help file
if (!file_exists("./" . PMBP_LANGUAGE_DIR . $CONF['lang'] . "_help.php")) {
echo PMBP_pop_up("./" . PMBP_LANGUAGE_DIR . "english_help.php?script=" . $scriptname, PMBP_image_tag("help.gif", "", "help") . F_HELP, "help", "help");
} else {
echo PMBP_pop_up("./" . PMBP_LANGUAGE_DIR . $CONF['lang'] . "_help.php?script=" . $scriptname, PMBP_image_tag("help.gif", "", "help") . F_HELP, "help", "help");
}
echo "\n</div>\n<div id=\"logout\">\n";
// print logout link if function is not disabled
if (!($CONF['no_login'] == "1" && $CONF['login'] == "0")) {
echo "<a href=\"login.php?logout=TRUE\" accesskey=\"l\" title=\"[access key = l]\">";
echo PMBP_image_tag("login.gif", "", "[access key = l]");
echo F_LOGOUT . "</a>\n";
}
echo "\n</div>\n";
echo " </th>\n";
// print selection for several sql servers
if (count($CONF['sql_passwd_s']) && basename($_SERVER['SCRIPT_NAME']) !== "config.php" && !isset($_POST['period'])) {
echo " </tr>
<tr>
<th colspan=\"" . count($menu) . "\">
<form action=\"" . basename($_SERVER['SCRIPT_NAME']) . "\" method=\"POST\">
<span class=\"bold_left\">Select working SQL server:</span>
<select name=\"mysql_host\" onchange=\"submit()\">\n";
if ($CONF['sql_host'] == $_SESSION['sql_host_org'] && $CONF['sql_user'] == $_SESSION['sql_user_org']) {
echo "<option value=\"-1\" selected>" . $_SESSION['sql_host_org'] . " (" . $_SESSION['sql_user_org'] . ")</option>\n";
} else {
echo "<option value=\"-1\">" . $_SESSION['sql_host_org'] . " (" . $_SESSION['sql_user_org'] . ")</option>\n";
}
for ($i = 0; $i < count($CONF['sql_passwd_s']); $i++) {
if (isset($CONF['sql_host_s'])) {
if ($CONF['sql_host'] == $CONF['sql_host_s'][$i] && $CONF['sql_user'] == $CONF['sql_user_s'][$i]) {
echo "<option value=\"" . $i . "\" selected>" . $CONF['sql_host_s'][$i] . " (" . $CONF['sql_user_s'][$i] . ")</option>\n";
} else {
echo "<option value=\"" . $i . "\">" . $CONF['sql_host_s'][$i] . " (" . $CONF['sql_user_s'][$i] . ")</option>\n";
}
} else {
echo "<option value=\"" . $i . "\">" . $CONF['sql_host_s'][$i] . " (" . $CONF['sql_user_s'][$i] . ")</option>\n";
}
}
echo " </select></form>
</th>\n";
}
echo " </tr>
<!-- MENU -->
<tr>\n";
// generate menu
foreach ($menu as $filename => $title) {
// print active link
if ($filename == $scriptname && $filename != "login.php?logout=TRUE" && $filename != "HELP") {
echo " <th class=\"active\">\n <a href=\"" . $filename . "\" accesskey=\"" . $accesskeys[$filename] . "\" title=\"[access key = " . $accesskeys[$filename] . "]\">" . PMBP_image_tag(substr($filename, 0, strpos($filename, ".")) . ".gif", "", "[accesskey = " . $accesskeys[$filename] . "]") . $title . "</a>\n </th>\n";
// print lasting menu
} elseif ($filename != "login.php?logout=TRUE" && $filename != "HELP") {
echo " <th>\n <a href=\"" . $filename . "\" accesskey=\"" . $accesskeys[$filename] . "\" title=\"[access key = " . $accesskeys[$filename] . "]\">" . PMBP_image_tag(substr($filename, 0, strpos($filename, ".")) . ".gif", "", "[accesskey = " . $accesskeys[$filename] . "]") . $title . "</a>\n </th>\n";
}
}
echo " </tr>
</table>
<table width=\"" . $width . "\">
<colgroup>
<col width=\"20\">
<col width=\"*\">
<col width=\"20\">
</colgroup>
<tr>
<td>
</td>
<td class=\"main\">
<!-- HEADER END -->
";
}
// print basis html footer
function PMBP_print_footer()
{
global $PMBP_SYS_VAR;
global $PMBP_MU_CONF;
// print but do not call the callback handler of ob_start()
ob_flush();
ob_end_clean();
// adjust width of table to the number of menu items
if (($_SESSION['multi_user_mode'] && $PMBP_MU_CONF['allow_sql_queries']) || !$_SESSION['multi_user_mode']) {
$tabe_width = 980;
} else {
$tabe_width = 840;
}
echo "\n<!-- FOOTER -->
</td>
<td>
</td>
</tr>
</table>
<table width=\"" . $tabe_width . "\">
<tr>
<th class=\"active\">\n";
printf(F_FOOTER, "<a target='_blank' href=\"" . PMBP_WEBSITE . "\">", "</a>");
echo "\n</th>\n </tr>\n";
// check for updates
if ($PMBP_SYS_VAR['F_updates']) {
// do this only once per session
if (!$_SESSION['multi_user_mode'] && !isset($_SESSION['PMBP_VERSION'])) {
$_SESSION['PMBP_VERSION'] = false;
// check web connection
$ping_res = PMBP_is_connected();
if ($ping_res) {
if (isset($CONF['sql_host_s'])) {
$mode = $_SESSION['multi_user_mode'] ? 'm' : 's'+count($CONF['sql_host_s']) ? 'm' : 's';
}
@set_time_limit("5");
if (isset($PMBP_SYS_VAR['security_key'])) {
$last_vers = @file("http://www.phpMyBackupPro.net/vers.php?v=" . PMBP_VERSION . "&m=" . $mode . "&c=" . count($CONF['sql_host_s']) . "&k=" . md5($PMBP_SYS_VAR['security_key']));
} else {
$last_vers = @file("http://www.phpMyBackupPro.net/vers.php?v=" . PMBP_VERSION . "&m=" . $mode . "&c=" . count($CONF['sql_host_s']));
}
@set_time_limit("30");
if ($last_vers) {
if (floatval($last_vers[0]) > floatval(PMBP_VERSION)) {
$_SESSION['PMBP_VERSION'] = true;
}
}
}
}
// new version found, print hint
if ($_SESSION['PMBP_VERSION']) {
echo "\n <tr>
<td class=\"red large12\">
";
printf(F_NOW_AVAILABLE, "<a href=\"" . PMBP_WEBSITE . "\">", "</a>");
echo " !!!<br><br>
</td>
</tr>\n";
}
}
// set to 0 if you don't want to see the PHP version hint any more
if (1) {
// check PHP version
$tmp = phpversion();
$phpvers = $tmp[0] . $tmp[1] . $tmp[2];
if ($phpvers < 4.3) {
echo "<tr><td>PHP " . $tmp . " detected. It is not recommended to use phpMyBackupPro with PHP < PHP 4.3. You can disable this message if you want in functions.inc.php line " . __LINE__ . ".</td></tr>";
}
}
// set F_ffadd on the configuration page to 0 if you don't want to see the Firefox add any more
if ($PMBP_SYS_VAR['F_ffadd']) {
// removed with v2.2
}
;
echo "
</table>
</center>
</body>
</html>
";
}
// checks if the server is connected to the web
function PMBP_is_connected()
{
$timeout = 5; //timeout in seconds
$connected = @fsockopen("phpmybackup.sourceforge.net", 80, $dontCare1, $dontCare2, $timeout);
if ($connected) {
fclose($connected);
return true;
} else {
return false;
}
}
//
function PMBP_mysql_connect()
{
global $CONF;
$res = @mysqli_connect($CONF['sql_host'], $CONF['sql_user'], $CONF['sql_passwd']);
if ($res) {
PMBP_set_character_set($res);
}
return $res;
}
function PMBP_set_character_set($con)
{
$characterSet = PMBP_get_character_set($con);
$characterSet = "utf8";
@mysqli_set_charset($con, $characterSet);
// @mysqli_query("set names " . $characterSet);
return $characterSet;
}
// prints html export form used on several pages
function PMBP_print_export_form($dirs1 = false, $scheduled = false)
{
global $CONF;
global $PMBP_SYS_VAR;
echo "\n<table width=\"940\">\n";
echo "<tr>\n<td>\n";
echo F_SELECT_DB . ":\n";
echo "</td>\n<td> </td>\n<td>";
echo F_COMMENTS . ":";
echo "</td>\n</tr><tr>\n<td>\n";
echo "<select name=\"db[]\" multiple=\"multiple\" size=\"10\">\n";
if (!$con = PMBP_mysql_connect());
// find the availabe compression methods and set which are disabled and which is selected
if (!@function_exists("gzopen") || !@function_exists("gzcompress")) {
$disable_gzip = " disabled";
} else {
$disable_gzip = "";
}
$last_dbs = explode("|", $PMBP_SYS_VAR['F_dbs']);
if (count($db_list = PMBP_get_db_list()) > 0) {
foreach ($db_list as $db) {
if (in_array($db, $last_dbs)) {
echo "<option value=\"" . $db . "\" selected>" . $db . "</option>\n";
} else {
echo "<option value=\"" . $db . "\">" . $db . "</option>\n";
}
}
} else {
echo "<option></option>\n";
}
echo "</select>\n<br>";
echo PMBP_set_select("backup", "db[]", "[" . F_SELECT_ALL . "]");
echo "\n</td>\n<td> </td>\n<td>\n";
echo "<textarea name=\"comments\" rows=\"9\" cols=\"80\">" . $PMBP_SYS_VAR['F_comment'] . "</textarea>\n<br>";
if ($PMBP_SYS_VAR['F_tables']) {
$checked = "checked";
} else {
$checked = "";
}
echo "<input type=\"checkbox\" name=\"tables\" " . $checked . ">" . F_EX_TABLES . " | ";
if ($PMBP_SYS_VAR['F_data']) {
$checked = "checked";
} else {
$checked = "";
}
echo "<input type=\"checkbox\" name=\"data\" " . $checked . ">" . F_EX_DATA . " | ";
if ($PMBP_SYS_VAR['F_drop']) {
$checked = "checked";
} else {
$checked = "";
}
echo "<input type=\"checkbox\" name=\"drop\" " . $checked . ">" . F_EX_DROP . " | ";
$comp_off = $comp_gzip = $comp_zip = "";
if ($PMBP_SYS_VAR['F_compression'] == "gzip" && !$disable_gzip) {
$comp_gzip = " selected";
} elseif ($PMBP_SYS_VAR['F_compression'] == "zip") {
$comp_zip = " selected";
} else {
$comp_off = " selected";
}
echo F_EX_COMP . "
<select name=\"zip\">
<option" . $comp_off . " value=\"\">" . F_EX_OFF . "</option>
<option " . $comp_gzip . " " . $disable_gzip . " value=\"gzip\">" . F_EX_GZIP . "</option>
<option" . $comp_zip . " value=\"zip\">" . F_EX_ZIP . "</option>
</select>\n</td>\n</tr>\n</table>\n<p></p>\n";
// show directory backup form
if ($CONF['dir_backup']) {
if (!is_array($dirs1) && $PMBP_SYS_VAR['dir_lists'] >= 1) {
$dirs1 = PMBP_get_dirs("../");
}
$last_dirs = explode("|", $PMBP_SYS_VAR['F_ftp_dirs']);
echo "\n\n<table width=\"940\">\n";
echo "<tr>\n<td>\n";
if ($scheduled) {
echo EX_DIRS . ":<br>(<a href=\"scheduled.php?update_dir_list=TRUE\">" . PMBP_EXS_UPDATE_DIRS . "</a>)<br>\n";
} else {
echo EX_DIRS . ":<br>(<a href=\"backup.php?update_dir_list=TRUE\">" . PMBP_EXS_UPDATE_DIRS . "</a>)<br>\n";
}
echo "</td>\n<td> </td>\n<td>\n";
echo EX_DIRS_MAN . ":<br>\n";
echo "</td>\n</tr><tr>\n<td>";
echo "<select name='dirs[]' multiple=\"multiple\" size=\"9\">";
foreach ($dirs1 as $value) {
if (in_array("../" . $value, $last_dirs)) {
echo "<option value=\"" . "../" . $value . "\" selected>" . "../" . $value . "</option>\n";
} else {
echo "<option value=\"" . "../" . $value . "\">" . "../" . $value . "</option>\n";
}
}
echo "</select>\n";
echo "\n</td>\n<td> </td>\n<td>\n";
echo "<textarea rows=\"7\" cols=\"63\" name=\"man_dirs\">" . $PMBP_SYS_VAR['F_ftp_dirs_2'] . "</textarea><br>\n";
if ($PMBP_SYS_VAR['F_packed']) {
$checked = "checked";
} else {
$checked = "";
}
echo "<input type=\"checkbox\" name=\"packed\" " . $checked . ">" . EX_PACKED . "\n";
echo "</td>\n</tr>\n</table>\n<p></p>\n";
}
}
// checks if settings on the export form where made and saves them
function PMBP_save_export_settings()
{
global $PMBP_SYS_VAR;
// check if any settings have changed
if ($PMBP_SYS_VAR['F_data'] != $_POST['data'] or $PMBP_SYS_VAR['F_tables'] != $_POST['tables'] or
$PMBP_SYS_VAR['F_compression'] != $_POST['zip'] or $PMBP_SYS_VAR['F_drop'] != $_POST['drop'] or $PMBP_SYS_VAR['F_packed'] != $_POST['packed']) {
$PMBP_SYS_VAR['F_data'] = $_POST['data'];
$PMBP_SYS_VAR['F_tables'] = $_POST['tables'];
$PMBP_SYS_VAR['F_compression'] = $_POST['zip'];
$PMBP_SYS_VAR['F_drop'] = $_POST['drop'];
$PMBP_SYS_VAR['F_packed'] = $_POST['packed'];
}
if (isset($_POST['db'])) {
if (is_array($_POST['db'])) {
if ($PMBP_SYS_VAR['F_dbs'] != implode("|", $_POST['db'])) {
$PMBP_SYS_VAR['F_dbs'] = implode("|", $_POST['db']);
}
} else {
$PMBP_SYS_VAR['F_dbs'] = "";
}
} else {
$PMBP_SYS_VAR['F_dbs'] = "";
}
if ($PMBP_SYS_VAR['F_comment'] != $_POST['comments']) {
$PMBP_SYS_VAR['F_comment'] = $_POST['comments'];
}
if (isset($_POST['dirs'])) {
if ($PMBP_SYS_VAR['F_ftp_dirs'] != implode("|", $_POST['dirs'])) {
$PMBP_SYS_VAR['F_ftp_dirs'] = implode("|", $_POST['dirs']);
}
} else {
$PMBP_SYS_VAR['F_ftp_dirs'] = "";
}
if ($PMBP_SYS_VAR['F_ftp_dirs_2'] != $_POST['man_dirs']) {
$PMBP_SYS_VAR['F_ftp_dirs_2'] = $_POST['man_dirs'];
}
// update global_conf.php
PMBP_save_global_conf();
}
// generates image tag
function PMBP_image_tag($image, $alt = "", $title = "", $link = "")
{
if (strpos($image, "/") === false) {
$image = PMBP_IMAGE_DIR . $image;
$size = getimagesize($image);
} else {
$size = getimagesize(PMBP_IMAGE_DIR . basename($image));
}
if ($link) {
return "<a href=\"" . $link . "\"><img src=\"" . $image . "\" alt=\"" . $alt . "\" title=\"" . $title . "\" " . $size[3] . "></a>";
} else {
return "<img src=\"" . $image . "\" alt=\"" . $alt . "\" title=\"" . $title . "\" " . $size[3] . ">";
}
}
// generates javascript 'select all in input select' link
function PMBP_set_select($form, $select, $link)
{
return "<a href=\"\" onclick=\"setSelect('" . $form . "','" . $select . "'); return false;\">" . $link . "</a>";
}
// generates javascript PMBP_pop_up link
function PMBP_pop_up($path, $link, $type, $title_attr = "")
{
return "<a href='javascript:popUp(\"" . $path . "\",\"" . $type . "\",false,\"\")' title=\"" . $title_attr . "\">" . $link . "</a>";
}
// generates event hanlders to change the border color in a td.list list
function PMBP_change_color($color1, $color2)
{
return "onmouseout=\"changeColor(this, '" . $color1 . "');\" onmouseover=\"changeColor(this, '" . $color2 . "');\"";
}
// generates javascript confirm dialog
// if $popupType is "view" or something else, a pop up like in PMBP_pop_up will be opened after the confirmation
function PMBP_confirm($text, $path, $link, $popupType = false)
{
global $CONF;
switch ($CONF['confirm']) {
case 0:
if ($popupType) {
return "<a href='javascript:popUp(\"" . $path . "\",\"" . $popupType . "\",true,\"" . $text . "\")'>" . $link . "</a>";
} else {
return "<a href='javascript:confirmClick(\"" . $text . "\",\"" . $path . "\")'>" . $link . "</a>";
}
case 1:
if ($popupType) {
if (strstr($path, "all") || strstr($path, "ALL")) {
return "<a href='javascript:popUp(\"" . $path . "\",\"" . $popupType . "\",true,\"" . $text . "\")'>" . $link . "</a>";
} else {
return "<a href='javascript:popUp(\"" . $path . "\",\"" . $popupType . "\",false,\"\")'>" . $link . "</a>";
}
} else {
if (strstr($path, "all") || strstr($path, "ALL")) {
return "<a href='javascript:confirmClick(\"" . $text . "\",\"" . $path . "\")'>" . $link . "</a>";
} else {
return "<a href=\"" . $path . "\">" . $link . "</a>";
}
}
case 2:
if ($popupType) {
if (strstr($path, "ALL")) {
return "<a href='javascript:popUp(\"" . $path . "\",\"" . $popupType . "\",true,\"" . $text . "\")'>" . $link . "</a>";
} else {
return "<a href='javascript:popUp(\"" . $path . "\",\"" . $popupType . "\",false,\"\")'>" . $link . "</a>";
}
} else {
if (strstr($path, "ALL")) {
return "<a href='javascript:confirmClick(\"" . $text . "\",\"" . $path . "\")'>" . $link . "</a>";
} else {
return "<a href=\"" . $path . "\">" . $link . "</a>";
}
}
case 3:
if ($popupType) {
return "<a href='javascript:popUp(\"" . $path . "\",\"" . $popupType . "\",false,\"\")'>" . $link . "</a>";
} else {
return "<a href=\"" . $path . "\">" . $link . "</a>";
}
}
}
// function to execute the sql queries provided by the file handler $file
// $file can be a gzopen() or open() handler, $con is the database connection
// $linespersession says how many lines should be executed; if false, all lines will be executed
function PMBP_exec_sql($file, $con, $linespersession = false, $noFile = false)
{
$query = "";
$queries = 0;
$error = "";
if (isset($_GET["totalqueries"])) {
$totalqueries = $_GET["totalqueries"];
} else {
$totalqueries = 0;
}
if (isset($_GET["start"])) {
$linenumber = $_GET["start"];
} else {
$linenumber = $_GET['start'] = 0;
}
if (!$linespersession) {
$_GET['start'] = 1;
}
$inparents = false;
$querylines = 0;
// $tableQueries and $insertQueries only count this session
$tableQueries = 0;
$insertQueries = 0;
// stop if a query is longer than 300 lines long
$max_query_lines = 300;
// lines starting with these strings are comments and will be ignored
$comment[0] = "#";
$comment[1] = "-- ";
while (($linenumber < $_GET["start"] + $linespersession || $query != "") && ($dumpline = gzgets($file, 65536))) {
// increment $_GET['start'] when $linespersession was not set
// so all lines of $file will be exeuted at once
if (!$linespersession) {
$_GET['start']++;
}
// handle DOS and Mac encoded linebreaks
$dumpline = preg_replace("/\r\n$/", "\n", $dumpline);
$dumpline = preg_replace("/\r$/", "\n", $dumpline);
// skip comments and blank lines only if NOT in parents
if (!$inparents) {
$skipline = false;
foreach ($comment as $comment_value) {
if (!$inparents && (trim($dumpline) == "" || strpos($dumpline, $comment_value) === 0)) {
$skipline = true;
break;
}
}
if ($skipline) {
$linenumber++;
continue;
}
}
// remove double back-slashes from the dumpline prior to count the quotes ('\\' can only be within strings)
$dumpline_deslashed = str_replace("\\\\", "", $dumpline);
// count ' and \' in the dumpline to avoid query break within a text field ending by ;
// please don't use double quotes ('"')to surround strings, it wont work
$parents = substr_count($dumpline_deslashed, "'") - substr_count($dumpline_deslashed, "\\'");
if ($parents % 2 != 0) {
$inparents = !$inparents;
}
// add the line to query
$query .= $dumpline;
// don't count the line if in parents (text fields may include unlimited linebreaks)
if (!$inparents) {
$querylines++;
}
// stop if query contains more lines as defined by $max_query_lines
if ($querylines > $max_query_lines) {
$error = sprintf(BI_WRONG_FILE . "\n", $linenumber, $max_query_lines);
break;
}
// execute query if end of query detected (; as last character) AND NOT in parents
if (preg_match("/;$/", trim($dumpline)) && !$inparents) {
if (!mysqli_query($con, trim($query), $con)) {
$error = SQ_ERROR . " " . ($linenumber + 1) . "<br>" . nl2br(htmlentities(trim($query))) . "\n<br>" . htmlentities(mysqli_error($con));
break;
}
if (strtolower(substr(trim($query), 0, 6)) == "insert") {
$tableQueries++;
} elseif (strtolower(substr(trim($query), 0, 12)) == "create table") {
$insertQueries++;
}
$totalqueries++;
$queries++;
$query = "";
$querylines = 0;
}
$linenumber++;
}
return array("queries" => $queries, "totalqueries" => $totalqueries, "linenumber" => $linenumber, "error" => $error, "tableQueries" => $tableQueries, "insertQueries" => $insertQueries);
}
function PMBP_get_character_set($con)
{
$res = mysqli_query($con, "SHOW VARIABLES LIKE 'character_set_database'");
$obj = mysqli_fetch_array($res);
if ($obj['Value']) {
return $obj['Value'];
} else {
return "utf8";
}
}
// Liefert ein Array mit den Tabellen in ['tables'] und den views in ['views'] zurück
function PMBP_list_tables_and_view($con)
{
// get auto_increment values and names of all tables
$result = array('tables' => array(), 'views' => array());
$res = mysqli_query($con, "show table status");
while ($row = mysqli_fetch_array($res)) {
if (!isset($row['Engine'])) {
$result['views'][] = $row;
} else {
$result['tables'][] = $row;
}
}
return $result;
}
// generates a dump of $db database
// $tables and $data set whether tables or data to backup. $comment sets the commment text
// $drop and $zip tell if to include the drop table statement or dry to pack
function PMBP_dump($db, $tables, $data, $drop, $zip, $comment)
{
global $CONF;
global $PMBP_SYS_VAR;
$error = false;
// set max string size before writing to file
if (@ini_get("memory_limit")) {
$max_size = 500000 * intval(ini_get("memory_limit"));
} else {
ini_set("memory_limit", $PMBP_SYS_VAR['memory_limit'] / 1024000);
$max_size = 500000 * ($PMBP_SYS_VAR['memory_limit'] / 1024000);
}
// set backupfile name
$time = time();
if ($zip == "gzip") {
$backupfile = $db . "." . $time . ".sql.gz";
} else {
$backupfile = $db . "." . $time . ".sql";
}
$backupfile = PMBP_EXPORT_DIR . $backupfile;
if ($con = PMBP_mysql_connect()) {
// don't backup tables in $PMBP_SYS_VAR['except_tables']
$except_tables = explode(",", $PMBP_SYS_VAR['except_tables']);
//create comment
$out = "# MySQL dump of database '" . $db . "' on host '" . $CONF['sql_host'] . "'\n";
$out .= "# backup date and time: " . strftime($CONF['date'], $time) . "\n";
$out .= "# built by phpMyBackupPro " . PMBP_VERSION . "\n";
$out .= "# " . PMBP_WEBSITE . "\n\n";
// write users comment
if ($comment) {
$out .= "# comment:\n";
$comment = preg_replace("'\n'", "\n# ", "# " . $comment);
foreach (explode("\n", $comment) as $line) {
$out .= $line . "\n";
}
$out .= "\n";
}
// set and log character set
$characterSet = PMBP_set_character_set($con);
$out .= "### used character set: " . $characterSet . " ###\n";
$out .= "set names " . $characterSet . ";\n\n";
// print "use database" if more than one database is available
if (count(PMBP_get_db_list()) > 1) {
$out .= "CREATE DATABASE IF NOT EXISTS `" . $db . "`;\n\n";
$out .= "USE `" . $db . "`;\n";
}
// select db
@mysqli_select_db($con, $db);
// get tables and views
$tables_and_views = PMBP_list_tables_and_view($con);
$all_tables = $tables_and_views['tables'];
$all_views = $tables_and_views['views'];
// get table structures
$all_tables_new = array();
foreach ($all_tables as $key => $table) {
if (!in_array($table['Name'], $except_tables)) {
$res1 = mysqli_query($con, "SHOW CREATE TABLE `" . $table['Name'] . "`");
$tmp = mysqli_fetch_array($res1);
$table_sql[$table['Name']] = $tmp["Create Table"];
$all_tables_new[$key] = $table;
}
}
$all_tables = $all_tables_new;
unset($all_tables_new);
// find foreign keys
$fks = array();
if (isset($table_sql)) {
foreach ($table_sql as $tablenme => $table) {
$tmp_table = $table;
// save all tables, needed for creating this table in $fks
while (($ref_pos = strpos($tmp_table, " REFERENCES ")) > 0) {
$tmp_table = substr($tmp_table, $ref_pos + 12);
$ref_pos = strpos($tmp_table, "(");
// cut of '`' at the begining and end of fk-name
$fks[$tablenme][] = trim(str_replace('`', '', substr($tmp_table, 0, $ref_pos)));
}
}
}
// order $all_tables and check for ring constraints
$all_tables_copy = $all_tables;
$all_tables = PMBP_order_sql_tables($all_tables, $fks);
$ring_constraints = false;
// ring constraints found
if ($all_tables === false) {
$ring_constraints = true;
$all_tables = $all_tables_copy;
$out .= "\n# ring constraints workaround\n";
$out .= "SET FOREIGN_KEY_CHECKS=0;\n";
$out .= "SET AUTOCOMMIT=0;\n";
$out .= "START TRANSACTION;\n";
}
unset($all_tables_copy);
// as long as no error occurred
if (!$error) {
if ($drop) {
$out .= "\n### drop all tables first ###\n";
foreach (array_reverse($all_tables) as $row) {
$out .= "\nDROP TABLE IF EXISTS `" . $row['Name'] . "`;";
}
$out .= "\n";
}
foreach ($all_tables as $row) {
$tablename = $row['Name'];
$auto_incr[$tablename] = $row['Auto_increment'];
$out .= "\n\n";
// export tables
if ($tables) {
$out .= "### structure of table `" . $tablename . "` ###\n\n";
$out .= $table_sql[$tablename];
// add auto_increment value
if ($auto_incr[$tablename]) {
$out .= " AUTO_INCREMENT=" . $auto_incr[$tablename];
}
$out .= ";";
}
$out .= "\n\n\n";
// export data
if ($data && !$error) {
$out .= "### data of table `" . $tablename . "` ###\n\n";
// check if field types are NULL or NOT NULL
$res3 = mysqli_query($con, "show columns from `" . $tablename . "`");
$res2 = mysqli_query($con, "select * from `" . $tablename . "`");
if ($res2) {
$number_of_rows = mysqli_num_rows($res2);
if ($number_of_rows > 0) {
for ($j = 0; $j < $number_of_rows; $j++) {
$out .= "insert into `" . $tablename . "` values (";
$row2 = mysqli_fetch_row($res2);
// run through each field
for ($k = 0; $k < $nf = mysqli_num_fields($res2); $k++) {
// identify null values and save them as null instead of ''
if (is_null($row2[$k])) {
$out .= "null";
} else {
$out .= "'" . mysqli_real_escape_string($con, $row2[$k]) . "'";
}
if ($k < ($nf - 1)) {
$out .= ", ";
}
}
$out .= ");\n";
// if saving is successful, then empty $out, else set error flag
if (strlen($out) > $max_size) {
if ($out = PMBP_save_to_file($backupfile, $zip, $out, "a")) {
$out = "";
} else {
$error = true;
}
}
}
} else {
$out .= "-- table is empty\n"; // no data
}
} else {
echo "MySQL error: " . mysqli_error($con);
@unlink(PMBP_EXPORT_DIR . $backupfile);
return false;
}
// an error occurred! Try to delete file and return error status
} elseif ($error) {
@unlink(PMBP_EXPORT_DIR . $backupfile);
return false;
}
// if saving is successful, then empty $out, else set error flag
if (strlen($out) > $max_size) {
if ($out = PMBP_save_to_file($backupfile, $zip, $out, "a")) {
$out = "";
} else {
$error = true;
}
}
}
// views
// get all view definitions
$all_views_definitions = array();
foreach ($all_views as $row) {
$viewname = $row['Name'];
if (!in_array($viewname, $except_tables)) {
$res4 = mysqli_query($con, "show create view `" . $viewname . "`");
if ($res4) {
$row4 = mysqli_fetch_array($res4);
$all_views_definitions[$viewname] = $row4['Create View'];
} else {
echo "MySQL error: " . mysqli_error($con);
@unlink(PMBP_EXPORT_DIR . $backupfile);
return false;
}
}
}
if (sizeof($all_views_definitions) > 0) {
$out .= "\n\n### views ###\n\n";
}
// order $all_views and check for ring constraints
$all_views_definitions_copy = $all_views_definitions;
$all_views_definitions = PMBP_order_sql_views($all_views_definitions);
$ring_constraints = false;
// ring constraints found
if ($all_views_definitions === false) {
$all_views_definitions = $all_views_definitions_copy;
// if not already written because of tabel ring constraints
if (!$ring_constraints) {
$out .= "\n# ring constraints workaround\n";
$out .= "SET FOREIGN_KEY_CHECKS=0;\n";
$out .= "SET AUTOCOMMIT=0;\n";
$out .= "START TRANSACTION;\n";
}
$ring_constraints = true;
}
unset($all_views_definitions_copy);
// view drop statements (in reverse order)
if ($drop && count($all_views_definitions) > 0) {
$out .= "### drop all views first ###\n\n";
foreach (array_reverse($all_views_definitions) as $view_name => $view_definition) {
$out .= "DROP VIEW IF EXISTS `" . $view_name . "`;\n";
}
$out .= "\n\n";
}
// view definitions
foreach ($all_views_definitions as $view_name => $view_definition) {
$out .= "### create statement of view `" . $view_name . "` ###\n\n";
$out .= $view_definition;
$out .= ";\n\n";
}
// if saving is successful, then empty $out, else set error flag
if (strlen($out) > $max_size) {
if ($out = PMBP_save_to_file($backupfile, $zip, $out, "a")) {
$out = "";
} else {
$error = true;
}
}
// an error occurred! Try to delete file and return error status
} else {
@unlink($backupfile);