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admin
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<?php
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/**
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* Function library read in upon startup
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*
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* $Id: lib.inc.php,v 1.123 2008/04/06 01:10:35 xzilla Exp $
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*/
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include_once('./libraries/decorator.inc.php');
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include_once('./lang/translations.php');
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// Set error reporting level to max
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error_reporting(E_ALL);
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// Application name
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$appName = 'phpPgAdmin';
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// Application version
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$appVersion = '5.0.2';
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// PostgreSQL and PHP minimum version
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$postgresqlMinVer = '7.4';
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$phpMinVer = '5.0';
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// Check the version of PHP
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if (version_compare(phpversion(), $phpMinVer, '<'))
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exit(sprintf('Version of PHP not supported. Please upgrade to version %s or later.', $phpMinVer));
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// Check to see if the configuration file exists, if not, explain
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if (file_exists('conf/config.inc.php')) {
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$conf = array();
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include('./conf/config.inc.php');
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}
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else {
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echo 'Configuration error: Copy conf/config.inc.php-dist to conf/config.inc.php and edit appropriately.';
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exit;
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}
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// Configuration file version. If this is greater than that in config.inc.php, then
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// the app will refuse to run. This and $conf['version'] should be incremented whenever
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// backwards incompatible changes are made to config.inc.php-dist.
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$conf['base_version'] = 16;
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// Always include english.php, since it's the master language file
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if (!isset($conf['default_lang'])) $conf['default_lang'] = 'english';
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$lang = array();
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require_once('./lang/recoded/english.php');
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// Create Misc class references
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require_once('./classes/Misc.php');
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$misc = new Misc();
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// Start session (if not auto-started)
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if (!ini_get('session.auto_start')) {
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session_name('PPA_ID');
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session_start();
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}
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// Do basic PHP configuration checks
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if (ini_get('magic_quotes_gpc')) {
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$misc->stripVar($_GET);
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$misc->stripVar($_POST);
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$misc->stripVar($_COOKIE);
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$misc->stripVar($_REQUEST);
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}
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// This has to be deferred until after stripVar above
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$misc->setHREF();
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$misc->setForm();
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// Enforce PHP environment
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ini_set('magic_quotes_runtime', 0);
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ini_set('magic_quotes_sybase', 0);
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ini_set('arg_separator.output', '&');
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// If login action is set, then set session variables
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if (isset($_POST['loginServer']) && isset($_POST['loginUsername']) &&
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isset($_POST['loginPassword_'.md5($_POST['loginServer'])])) {
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$_server_info = $misc->getServerInfo($_POST['loginServer']);
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$_server_info['username'] = $_POST['loginUsername'];
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$_server_info['password'] = $_POST['loginPassword_'.md5($_POST['loginServer'])];
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$misc->setServerInfo(null, $_server_info, $_POST['loginServer']);
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// Check for shared credentials
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if (isset($_POST['loginShared'])) {
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$_SESSION['sharedUsername'] = $_POST['loginUsername'];
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$_SESSION['sharedPassword'] = $_POST['loginPassword_'.md5($_POST['loginServer'])];
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}
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$_reload_browser = true;
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}
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/* select the theme */
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unset($_theme);
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$conf['theme'] = 'default';
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// 1. Check for the theme from a request var
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if (isset($_REQUEST['theme']) && is_file("./themes/{$_REQUEST['theme']}/global.css")) {
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/* save the selected theme in cookie for a year */
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setcookie('ppaTheme', $_REQUEST['theme'], time()+31536000);
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$_theme = $_SESSION['ppaTheme'] = $conf['theme'] = $_REQUEST['theme'];
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}
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// 2. Check for theme session var
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if (!isset($_theme) && isset($_SESSION['ppaTheme']) && is_file("./themes/{$_SESSION['ppaTheme']}/global.css")) {
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$conf['theme'] = $_SESSION['ppaTheme'];
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}
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// 3. Check for theme in cookie var
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if (!isset($_theme) && isset($_COOKIE['ppaTheme']) && is_file("./themes/{$_COOKIE['ppaTheme']}/global.css")) {
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$conf['theme'] = $_COOKIE['ppaTheme'];
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}
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// Determine language file to import:
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unset($_language);
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// 1. Check for the language from a request var
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if (isset($_REQUEST['language']) && isset($appLangFiles[$_REQUEST['language']])) {
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/* save the selected language in cookie for a year */
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setcookie('webdbLanguage', $_REQUEST['language'], time()+31536000);
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$_language = $_REQUEST['language'];
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}
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// 2. Check for language session var
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if (!isset($_language) && isset($_SESSION['webdbLanguage']) && isset($appLangFiles[$_SESSION['webdbLanguage']])) {
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$_language = $_SESSION['webdbLanguage'];
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}
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// 3. Check for language in cookie var
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if (!isset($_language) && isset($_COOKIE['webdbLanguage']) && isset($appLangFiles[$_COOKIE['webdbLanguage']])) {
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$_language = $_COOKIE['webdbLanguage'];
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}
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// 4. Check for acceptable languages in HTTP_ACCEPT_LANGUAGE var
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if (!isset($_language) && $conf['default_lang'] == 'auto' && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
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// extract acceptable language tags
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// (http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4)
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preg_match_all('/\s*([a-z]{1,8}(?:-[a-z]{1,8})*)(?:;q=([01](?:.[0-9]{0,3})?))?\s*(?:,|$)/', strtolower($_SERVER['HTTP_ACCEPT_LANGUAGE']), $_m, PREG_SET_ORDER);
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foreach($_m as $_l) { // $_l[1] = language tag, [2] = quality
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if (!isset($_l[2])) $_l[2] = 1; // Default quality to 1
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if ($_l[2] > 0 && $_l[2] <= 1 && isset($availableLanguages[$_l[1]])) {
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// Build up array of (quality => language_file)
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$_acceptLang[$_l[2]] = $availableLanguages[$_l[1]];
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}
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}
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unset($_m);
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unset($_l);
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if (isset($_acceptLang)) {
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// Sort acceptable languages by quality
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krsort($_acceptLang, SORT_NUMERIC);
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$_language = reset($_acceptLang);
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unset($_acceptLang);
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}
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}
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// 5. Otherwise resort to the default set in the config file
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if (!isset($_language) && $conf['default_lang'] != 'auto' && isset($appLangFiles[$conf['default_lang']])) {
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$_language = $conf['default_lang'];
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}
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// Import the language file
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if (isset($_language)) {
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include("./lang/recoded/{$_language}.php");
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$_SESSION['webdbLanguage'] = $_language;
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}
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// Check for config file version mismatch
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if (!isset($conf['version']) || $conf['base_version'] > $conf['version']) {
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echo $lang['strbadconfig'];
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exit;
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}
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// Check database support is properly compiled in
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if (!function_exists('pg_connect')) {
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echo $lang['strnotloaded'];
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exit;
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}
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// Create data accessor object, if necessary
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if (!isset($_no_db_connection)) {
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if (!isset($_REQUEST['server'])) {
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echo $lang['strnoserversupplied'];
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exit;
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}
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$_server_info = $misc->getServerInfo();
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/* starting with PostgreSQL 9.0, we can set the application name */
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if(isset($_server_info['pgVersion']) && $_server_info['pgVersion'] >= 9)
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putenv("PGOPTIONS=--application_name={$appName}_{$appVersion}");
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// Redirect to the login form if not logged in
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if (!isset($_server_info['username'])) {
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include('./login.php');
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exit;
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}
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// Connect to the current database, or if one is not specified
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// then connect to the default database.
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if (isset($_REQUEST['database']))
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$_curr_db = $_REQUEST['database'];
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else
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$_curr_db = $_server_info['defaultdb'];
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include_once('./classes/database/Connection.php');
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// Connect to database and set the global $data variable
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$data = $misc->getDatabaseAccessor($_curr_db);
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// If schema is defined and database supports schemas, then set the
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// schema explicitly.
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if (isset($_REQUEST['database']) && isset($_REQUEST['schema'])) {
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$status = $data->setSchema($_REQUEST['schema']);
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if ($status != 0) {
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echo $lang['strbadschema'];
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exit;
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}
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}
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// Get database encoding
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$dbEncoding = $data->getDatabaseEncoding();
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// Set client encoding to database encoding
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if ($dbEncoding != '') {
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// Explicitly change client encoding if it's different to server encoding.
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if (function_exists('pg_client_encoding'))
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$currEncoding = pg_client_encoding($data->conn->_connectionID);
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elseif (function_exists('pg_clientencoding'))
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$currEncoding = pg_clientencoding($data->conn->_connectionID);
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else
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$currEncoding = null;
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if ($currEncoding != $dbEncoding) {
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$status = $data->setClientEncoding($dbEncoding);
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if ($status != 0 && $status != -99) {
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echo $lang['strbadencoding'];
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exit;
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}
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}
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// Override $lang['appcharset']
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if (isset($data->codemap[$dbEncoding]))
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$lang['appcharset'] = $data->codemap[$dbEncoding];
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else
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$lang['appcharset'] = $dbEncoding;
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}
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// Load Slony if required
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if ($_server_info['slony_support']) {
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include('./classes/plugins/Slony.php');
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$slony = new Slony();
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}
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}
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if (!function_exists("htmlspecialchars_decode")) {
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function htmlspecialchars_decode($string, $quote_style = ENT_COMPAT) {
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return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));
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}
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}
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?>
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