mirror of
https://github.com/YunoHost-Apps/phpmyadmin_ynh.git
synced 2024-09-03 19:56:46 +02:00
764 lines
22 KiB
PHP
764 lines
22 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Interface to the improved MySQL extension (MySQLi)
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*
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* @package PhpMyAdmin-DBI
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* @subpackage MySQLi
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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require_once './libraries/logging.lib.php';
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require_once './libraries/dbi/DBIExtension.int.php';
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/**
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* MySQL client API
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*/
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if (!defined('PMA_MYSQL_CLIENT_API')) {
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$client_api = explode('.', mysqli_get_client_info());
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define(
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'PMA_MYSQL_CLIENT_API',
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(int)sprintf(
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'%d%02d%02d',
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$client_api[0], $client_api[1], intval($client_api[2])
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)
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);
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unset($client_api);
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}
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/**
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* some PHP versions are reporting extra messages like "No index used in query"
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*/
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mysqli_report(MYSQLI_REPORT_OFF);
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/**
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* some older mysql client libs are missing these constants ...
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*/
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if (! defined('MYSQLI_BINARY_FLAG')) {
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define('MYSQLI_BINARY_FLAG', 128);
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}
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/**
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* @see http://bugs.php.net/36007
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*/
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if (! defined('MYSQLI_TYPE_NEWDECIMAL')) {
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define('MYSQLI_TYPE_NEWDECIMAL', 246);
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}
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if (! defined('MYSQLI_TYPE_BIT')) {
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define('MYSQLI_TYPE_BIT', 16);
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}
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// for Drizzle
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if (! defined('MYSQLI_TYPE_VARCHAR')) {
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define('MYSQLI_TYPE_VARCHAR', 15);
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}
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Interface to the improved MySQL extension (MySQLi)
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*
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* @package PhpMyAdmin-DBI
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* @subpackage MySQLi
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*/
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class PMA_DBI_Mysqli implements PMA_DBI_Extension
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{
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/**
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* Helper function for connecting to the database server
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*
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* @param mysqli $link connection link
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* @param string $host mysql hostname
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* @param string $user mysql user name
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* @param string $password mysql user password
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* @param string $dbname database name
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* @param int $server_port server port
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* @param string $server_socket server socket
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* @param int $client_flags client flags of connection
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* @param bool $persistent whether to use peristent connection
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*
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* @return bool
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*/
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private function _realConnect(
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$link, $host, $user, $password, $dbname, $server_port,
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$server_socket, $client_flags = null, $persistent = false
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) {
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global $cfg;
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// mysqli persistent connections
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if ($cfg['PersistentConnections'] || $persistent) {
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$host = 'p:' . $host;
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}
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if ($client_flags === null) {
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return @mysqli_real_connect(
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$link,
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$host,
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$user,
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$password,
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$dbname,
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$server_port,
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$server_socket
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);
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} else {
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return @mysqli_real_connect(
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$link,
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$host,
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$user,
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$password,
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$dbname,
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$server_port,
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$server_socket,
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$client_flags
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);
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}
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}
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/**
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* connects to the database server
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*
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* @param string $user mysql user name
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* @param string $password mysql user password
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* @param bool $is_controluser whether this is a control user connection
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* @param array $server host/port/socket/persistent
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* @param bool $auxiliary_connection (when true, don't go back to login if
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* connection fails)
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*
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* @return mixed false on error or a mysqli object on success
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*/
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public function connect(
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$user, $password, $is_controluser = false, $server = null,
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$auxiliary_connection = false
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) {
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global $cfg;
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if ($server) {
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$server_port = (empty($server['port']))
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? false
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: (int)$server['port'];
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$server_socket = (empty($server['socket']))
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? ''
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: $server['socket'];
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$server['host'] = (empty($server['host']))
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? 'localhost'
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: $server['host'];
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} else {
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$server_port = (empty($cfg['Server']['port']))
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? false
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: (int) $cfg['Server']['port'];
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$server_socket = (empty($cfg['Server']['socket']))
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? null
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: $cfg['Server']['socket'];
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}
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// NULL enables connection to the default socket
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$link = mysqli_init();
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mysqli_options($link, MYSQLI_OPT_LOCAL_INFILE, true);
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$client_flags = 0;
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/* Optionally compress connection */
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if ($cfg['Server']['compress'] && defined('MYSQLI_CLIENT_COMPRESS')) {
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$client_flags |= MYSQLI_CLIENT_COMPRESS;
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}
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/* Optionally enable SSL */
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if ($cfg['Server']['ssl'] && defined('MYSQLI_CLIENT_SSL')) {
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mysqli_ssl_set(
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$link,
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$cfg['Server']['ssl_key'],
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$cfg['Server']['ssl_cert'],
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$cfg['Server']['ssl_ca'],
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$cfg['Server']['ssl_ca_path'],
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$cfg['Server']['ssl_ciphers']
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);
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$client_flags |= MYSQLI_CLIENT_SSL;
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}
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if (! $server) {
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$return_value = @$this->_realConnect(
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$link,
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$cfg['Server']['host'],
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$user,
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$password,
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false,
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$server_port,
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$server_socket,
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$client_flags
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);
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// Retry with empty password if we're allowed to
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if ($return_value == false
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&& isset($cfg['Server']['nopassword'])
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&& $cfg['Server']['nopassword']
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&& ! $is_controluser
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) {
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$return_value = @$this->_realConnect(
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$link,
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$cfg['Server']['host'],
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$user,
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'',
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false,
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$server_port,
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$server_socket,
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$client_flags
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);
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}
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} else {
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$return_value = @$this->_realConnect(
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$link,
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$server['host'],
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$user,
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$password,
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false,
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$server_port,
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$server_socket
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);
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}
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if ($return_value == false) {
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if ($is_controluser) {
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trigger_error(
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__('Connection for controluser as defined in your configuration failed.'),
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E_USER_WARNING
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);
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return false;
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}
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// we could be calling $GLOBALS['dbi']->connect() to connect to another
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// server, for example in the Synchronize feature, so do not
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// go back to main login if it fails
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if (! $auxiliary_connection) {
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PMA_logUser($user, 'mysql-denied');
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global $auth_plugin;
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$auth_plugin->authFails();
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} else {
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return false;
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}
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} else {
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$GLOBALS['dbi']->postConnect($link, $is_controluser);
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}
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return $link;
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}
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/**
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* selects given database
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*
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* @param string $dbname database name to select
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* @param mysqli $link the mysqli object
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*
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* @return boolean
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*/
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public function selectDb($dbname, $link = null)
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{
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysqli_select_db($link, $dbname);
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}
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/**
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* runs a query and returns the result
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*
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* @param string $query query to execute
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* @param mysqli $link mysqli object
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* @param int $options query options
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*
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* @return mysqli_result|bool
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*/
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public function realQuery($query, $link, $options)
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{
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if ($options == ($options | PMA_DatabaseInterface::QUERY_STORE)) {
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$method = MYSQLI_STORE_RESULT;
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} elseif ($options == ($options | PMA_DatabaseInterface::QUERY_UNBUFFERED)) {
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$method = MYSQLI_USE_RESULT;
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} else {
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$method = 0;
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}
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return mysqli_query($link, $query, $method);
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}
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/**
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* Run the multi query and output the results
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*
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* @param mysqli $link mysqli object
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* @param string $query multi query statement to execute
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*
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* @return mysqli_result collection | boolean(false)
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*/
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public function realMultiQuery($link, $query)
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{
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return mysqli_multi_query($link, $query);
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}
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/**
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* returns array of rows with associative and numeric keys from $result
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*
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* @param mysqli_result $result result set identifier
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*
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* @return array
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*/
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public function fetchArray($result)
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{
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return mysqli_fetch_array($result, MYSQLI_BOTH);
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}
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/**
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* returns array of rows with associative keys from $result
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*
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* @param mysqli_result $result result set identifier
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*
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* @return array
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*/
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public function fetchAssoc($result)
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{
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return mysqli_fetch_array($result, MYSQLI_ASSOC);
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}
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/**
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* returns array of rows with numeric keys from $result
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*
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* @param mysqli_result $result result set identifier
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*
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* @return array
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*/
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public function fetchRow($result)
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{
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return mysqli_fetch_array($result, MYSQLI_NUM);
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}
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/**
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* Adjusts the result pointer to an arbitrary row in the result
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*
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* @param resource $result database result
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* @param integer $offset offset to seek
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*
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* @return bool true on success, false on failure
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*/
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public function dataSeek($result, $offset)
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{
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return mysqli_data_seek($result, $offset);
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}
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/**
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* Frees memory associated with the result
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*
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* @param mysqli_result $result database result
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*
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* @return void
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*/
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public function freeResult($result)
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{
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if ($result instanceof mysqli_result) {
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mysqli_free_result($result);
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}
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}
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/**
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* Check if there are any more query results from a multi query
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*
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* @param mysqli $link the mysqli object
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*
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* @return bool true or false
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*/
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public function moreResults($link = null)
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{
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysqli_more_results($link);
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}
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/**
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* Prepare next result from multi_query
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*
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* @param mysqli $link the mysqli object
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*
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* @return bool true or false
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*/
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public function nextResult($link = null)
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{
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysqli_next_result($link);
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}
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/**
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* Store the result returned from multi query
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*
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* @return mixed false when empty results / result set when not empty
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*/
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public function storeResult()
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{
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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return mysqli_store_result($link);
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}
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/**
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* Returns a string representing the type of connection used
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*
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* @param resource $link mysql link
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*
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* @return string type of connection used
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*/
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public function getHostInfo($link = null)
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{
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if (null === $link) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysqli_get_host_info($link);
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}
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/**
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* Returns the version of the MySQL protocol used
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*
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* @param resource $link mysql link
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*
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* @return integer version of the MySQL protocol used
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*/
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public function getProtoInfo($link = null)
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{
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if (null === $link) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysqli_get_proto_info($link);
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}
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/**
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* returns a string that represents the client library version
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*
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* @return string MySQL client library version
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*/
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public function getClientInfo()
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{
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return mysqli_get_client_info();
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}
|
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|
|
/**
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* returns last error message or false if no errors occurred
|
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*
|
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* @param resource $link mysql link
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*
|
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* @return string|bool $error or false
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*/
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public function getError($link = null)
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{
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$GLOBALS['errno'] = 0;
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|
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/* Treat false same as null because of controllink */
|
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if ($link === false) {
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$link = null;
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}
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if (null === $link && isset($GLOBALS['userlink'])) {
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$link =& $GLOBALS['userlink'];
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// Do not stop now. We still can get the error code
|
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// with mysqli_connect_errno()
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}
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|
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if (null !== $link) {
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$error_number = mysqli_errno($link);
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$error_message = mysqli_error($link);
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} else {
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$error_number = mysqli_connect_errno();
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$error_message = mysqli_connect_error();
|
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}
|
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if (0 == $error_number) {
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return false;
|
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}
|
|
|
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// keep the error number for further check after
|
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// the call to getError()
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$GLOBALS['errno'] = $error_number;
|
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|
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return $GLOBALS['dbi']->formatError($error_number, $error_message);
|
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}
|
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|
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/**
|
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* returns the number of rows returned by last query
|
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*
|
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* @param mysqli_result $result result set identifier
|
|
*
|
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* @return string|int
|
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*/
|
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public function numRows($result)
|
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{
|
|
// see the note for tryQuery();
|
|
if (!is_bool($result)) {
|
|
return @mysqli_num_rows($result);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* returns last inserted auto_increment id for given $link
|
|
* or $GLOBALS['userlink']
|
|
*
|
|
* @param mysqli $link the mysqli object
|
|
*
|
|
* @return string|int
|
|
*/
|
|
public function insertId($link = null)
|
|
{
|
|
if (empty($link)) {
|
|
if (isset($GLOBALS['userlink'])) {
|
|
$link = $GLOBALS['userlink'];
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
// When no controluser is defined, using mysqli_insert_id($link)
|
|
// does not always return the last insert id due to a mixup with
|
|
// the tracking mechanism, but this works:
|
|
return $GLOBALS['dbi']->fetchValue('SELECT LAST_INSERT_ID();', 0, 0, $link);
|
|
// Curiously, this problem does not happen with the mysql extension but
|
|
// there is another problem with BIGINT primary keys so insertId()
|
|
// in the mysql extension also uses this logic.
|
|
}
|
|
|
|
/**
|
|
* returns the number of rows affected by last query
|
|
*
|
|
* @param mysqli $link the mysqli object
|
|
* @param bool $get_from_cache whether to retrieve from cache
|
|
*
|
|
* @return string|int
|
|
*/
|
|
public function affectedRows($link = null, $get_from_cache = true)
|
|
{
|
|
if (empty($link)) {
|
|
if (isset($GLOBALS['userlink'])) {
|
|
$link = $GLOBALS['userlink'];
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
if ($get_from_cache) {
|
|
return $GLOBALS['cached_affected_rows'];
|
|
} else {
|
|
return mysqli_affected_rows($link);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* returns metainfo for fields in $result
|
|
*
|
|
* @param mysqli_result $result result set identifier
|
|
*
|
|
* @return array meta info for fields in $result
|
|
*/
|
|
public function getFieldsMeta($result)
|
|
{
|
|
// Build an associative array for a type look up
|
|
$typeAr = array();
|
|
$typeAr[MYSQLI_TYPE_DECIMAL] = 'real';
|
|
$typeAr[MYSQLI_TYPE_NEWDECIMAL] = 'real';
|
|
$typeAr[MYSQLI_TYPE_BIT] = 'int';
|
|
$typeAr[MYSQLI_TYPE_TINY] = 'int';
|
|
$typeAr[MYSQLI_TYPE_SHORT] = 'int';
|
|
$typeAr[MYSQLI_TYPE_LONG] = 'int';
|
|
$typeAr[MYSQLI_TYPE_FLOAT] = 'real';
|
|
$typeAr[MYSQLI_TYPE_DOUBLE] = 'real';
|
|
$typeAr[MYSQLI_TYPE_NULL] = 'null';
|
|
$typeAr[MYSQLI_TYPE_TIMESTAMP] = 'timestamp';
|
|
$typeAr[MYSQLI_TYPE_LONGLONG] = 'int';
|
|
$typeAr[MYSQLI_TYPE_INT24] = 'int';
|
|
$typeAr[MYSQLI_TYPE_DATE] = 'date';
|
|
$typeAr[MYSQLI_TYPE_TIME] = 'time';
|
|
$typeAr[MYSQLI_TYPE_DATETIME] = 'datetime';
|
|
$typeAr[MYSQLI_TYPE_YEAR] = 'year';
|
|
$typeAr[MYSQLI_TYPE_NEWDATE] = 'date';
|
|
$typeAr[MYSQLI_TYPE_ENUM] = 'unknown';
|
|
$typeAr[MYSQLI_TYPE_SET] = 'unknown';
|
|
$typeAr[MYSQLI_TYPE_TINY_BLOB] = 'blob';
|
|
$typeAr[MYSQLI_TYPE_MEDIUM_BLOB] = 'blob';
|
|
$typeAr[MYSQLI_TYPE_LONG_BLOB] = 'blob';
|
|
$typeAr[MYSQLI_TYPE_BLOB] = 'blob';
|
|
$typeAr[MYSQLI_TYPE_VAR_STRING] = 'string';
|
|
$typeAr[MYSQLI_TYPE_STRING] = 'string';
|
|
$typeAr[MYSQLI_TYPE_VARCHAR] = 'string'; // for Drizzle
|
|
// MySQL returns MYSQLI_TYPE_STRING for CHAR
|
|
// and MYSQLI_TYPE_CHAR === MYSQLI_TYPE_TINY
|
|
// so this would override TINYINT and mark all TINYINT as string
|
|
// https://sourceforge.net/p/phpmyadmin/bugs/2205/
|
|
//$typeAr[MYSQLI_TYPE_CHAR] = 'string';
|
|
$typeAr[MYSQLI_TYPE_GEOMETRY] = 'geometry';
|
|
$typeAr[MYSQLI_TYPE_BIT] = 'bit';
|
|
|
|
$fields = mysqli_fetch_fields($result);
|
|
|
|
// this happens sometimes (seen under MySQL 4.0.25)
|
|
if (!is_array($fields)) {
|
|
return false;
|
|
}
|
|
|
|
foreach ($fields as $k => $field) {
|
|
$fields[$k]->_type = $field->type;
|
|
$fields[$k]->type = $typeAr[$field->type];
|
|
$fields[$k]->_flags = $field->flags;
|
|
$fields[$k]->flags = $this->fieldFlags($result, $k);
|
|
|
|
// Enhance the field objects for mysql-extension compatibilty
|
|
//$flags = explode(' ', $fields[$k]->flags);
|
|
//array_unshift($flags, 'dummy');
|
|
$fields[$k]->multiple_key
|
|
= (int) (bool) ($fields[$k]->_flags & MYSQLI_MULTIPLE_KEY_FLAG);
|
|
$fields[$k]->primary_key
|
|
= (int) (bool) ($fields[$k]->_flags & MYSQLI_PRI_KEY_FLAG);
|
|
$fields[$k]->unique_key
|
|
= (int) (bool) ($fields[$k]->_flags & MYSQLI_UNIQUE_KEY_FLAG);
|
|
$fields[$k]->not_null
|
|
= (int) (bool) ($fields[$k]->_flags & MYSQLI_NOT_NULL_FLAG);
|
|
$fields[$k]->unsigned
|
|
= (int) (bool) ($fields[$k]->_flags & MYSQLI_UNSIGNED_FLAG);
|
|
$fields[$k]->zerofill
|
|
= (int) (bool) ($fields[$k]->_flags & MYSQLI_ZEROFILL_FLAG);
|
|
$fields[$k]->numeric
|
|
= (int) (bool) ($fields[$k]->_flags & MYSQLI_NUM_FLAG);
|
|
$fields[$k]->blob
|
|
= (int) (bool) ($fields[$k]->_flags & MYSQLI_BLOB_FLAG);
|
|
}
|
|
return $fields;
|
|
}
|
|
|
|
/**
|
|
* return number of fields in given $result
|
|
*
|
|
* @param mysqli_result $result result set identifier
|
|
*
|
|
* @return int field count
|
|
*/
|
|
public function numFields($result)
|
|
{
|
|
return mysqli_num_fields($result);
|
|
}
|
|
|
|
/**
|
|
* returns the length of the given field $i in $result
|
|
*
|
|
* @param mysqli_result $result result set identifier
|
|
* @param int $i field
|
|
*
|
|
* @return int length of field
|
|
*/
|
|
public function fieldLen($result, $i)
|
|
{
|
|
return mysqli_fetch_field_direct($result, $i)->length;
|
|
}
|
|
|
|
/**
|
|
* returns name of $i. field in $result
|
|
*
|
|
* @param mysqli_result $result result set identifier
|
|
* @param int $i field
|
|
*
|
|
* @return string name of $i. field in $result
|
|
*/
|
|
public function fieldName($result, $i)
|
|
{
|
|
return mysqli_fetch_field_direct($result, $i)->name;
|
|
}
|
|
|
|
/**
|
|
* returns concatenated string of human readable field flags
|
|
*
|
|
* @param mysqli_result $result result set identifier
|
|
* @param int $i field
|
|
*
|
|
* @return string field flags
|
|
*/
|
|
public function fieldFlags($result, $i)
|
|
{
|
|
$f = mysqli_fetch_field_direct($result, $i);
|
|
$type = $f->type;
|
|
$charsetnr = $f->charsetnr;
|
|
$f = $f->flags;
|
|
$flags = '';
|
|
if ($f & MYSQLI_UNIQUE_KEY_FLAG) {
|
|
$flags .= 'unique ';
|
|
}
|
|
if ($f & MYSQLI_NUM_FLAG) {
|
|
$flags .= 'num ';
|
|
}
|
|
if ($f & MYSQLI_PART_KEY_FLAG) {
|
|
$flags .= 'part_key ';
|
|
}
|
|
if ($f & MYSQLI_SET_FLAG) {
|
|
$flags .= 'set ';
|
|
}
|
|
if ($f & MYSQLI_TIMESTAMP_FLAG) {
|
|
$flags .= 'timestamp ';
|
|
}
|
|
if ($f & MYSQLI_AUTO_INCREMENT_FLAG) {
|
|
$flags .= 'auto_increment ';
|
|
}
|
|
if ($f & MYSQLI_ENUM_FLAG) {
|
|
$flags .= 'enum ';
|
|
}
|
|
// See http://dev.mysql.com/doc/refman/6.0/en/c-api-datatypes.html:
|
|
// to determine if a string is binary, we should not use MYSQLI_BINARY_FLAG
|
|
// but instead the charsetnr member of the MYSQL_FIELD
|
|
// structure. Watch out: some types like DATE returns 63 in charsetnr
|
|
// so we have to check also the type.
|
|
// Unfortunately there is no equivalent in the mysql extension.
|
|
if (($type == MYSQLI_TYPE_TINY_BLOB || $type == MYSQLI_TYPE_BLOB
|
|
|| $type == MYSQLI_TYPE_MEDIUM_BLOB || $type == MYSQLI_TYPE_LONG_BLOB
|
|
|| $type == MYSQLI_TYPE_VAR_STRING || $type == MYSQLI_TYPE_STRING)
|
|
&& 63 == $charsetnr
|
|
) {
|
|
$flags .= 'binary ';
|
|
}
|
|
if ($f & MYSQLI_ZEROFILL_FLAG) {
|
|
$flags .= 'zerofill ';
|
|
}
|
|
if ($f & MYSQLI_UNSIGNED_FLAG) {
|
|
$flags .= 'unsigned ';
|
|
}
|
|
if ($f & MYSQLI_BLOB_FLAG) {
|
|
$flags .= 'blob ';
|
|
}
|
|
if ($f & MYSQLI_MULTIPLE_KEY_FLAG) {
|
|
$flags .= 'multiple_key ';
|
|
}
|
|
if ($f & MYSQLI_UNIQUE_KEY_FLAG) {
|
|
$flags .= 'unique_key ';
|
|
}
|
|
if ($f & MYSQLI_PRI_KEY_FLAG) {
|
|
$flags .= 'primary_key ';
|
|
}
|
|
if ($f & MYSQLI_NOT_NULL_FLAG) {
|
|
$flags .= 'not_null ';
|
|
}
|
|
return trim($flags);
|
|
}
|
|
}
|
|
?>
|