MySQL2MySQLi/Function/ChangeUser.php

91 lines
3.6 KiB
PHP

<?php
require_once('Generic.php');
/**
* Converter: mysql_change_user
*
* @category Functions
* @package MySQLConverterTool
* @author Andrey Hristov <andrey@php.net>, Ulf Wendel <ulf.wendel@phpdoc.de>, Saif Lacrimosa <cool2309@gmail.com>
* @copyright 1997-2006 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id:$, Release: @package_version@
* @link http://www.mysql.com
* @since Class available since Release 1.0
*/
class MySQLConverterTool_Function_ChangeUser extends MySQLConverterTool_Function_Generic {
public $new_name = 'mysqli_change_user';
public function __construct() {
}
function handle(Array $params = array()) {
// mysql_change_user ( string user, string password [, string database [, resource link_identifier]] )
// mysqli_change_user ( mysqli link, string user, string password, string database )
$warning = NULL;
if (4 == count($params)) {
list($user, $pass, $db, $conn) = $this->extractParamValues($params);
$ret = "mysqli_change_user($conn, $user, $pass, $db)";
} else if (3 == count($params)) {
list($user, $pass, $db) = $this->extractParamValues($params);
$conn = $this->ston_name;
$ret = "mysqli_change_user($conn, $user, $pass, $db)";
} else if (2 == count($params)) {
list($user, $pass) = $this->extractParamValues($params);
$conn = $this->ston_name;
// [1] $res = mysqli_query(conn, 'SELECT DATABASE()')
// [2] $row = mysqli_fetch_row($res);
// [3] $row = array_shift($row);
// [4] unset($row);
// [5] mysqli_free_result($res);
// [6] unset($res);
// [7] mysqli_change_user(conn, user, pass, $db)
//
// [1] ( ($res = mysqli_query() ) ? $db : false
// [2] ( ($res = mysqli_query() && row = mysqli_fetch_row($res)) ? $db : false
// [3] ( ($res = mysqli_query() && row = mysqli_fetch_row($res) && ((row = array_shift(row)) !== false) ) ? true : false
// [5] ( ($res = mysqli_query() && row = mysqli_fetch_row($res) && ((row = array_shift(row)) !== false) ) && mysqli_free_result(res) ) ? true : false
// [7] ( ($res = mysqli_query() && row = mysqli_fetch_row($res) && ((row = array_shift(row)) !== false) ) && mysqli_free_result(res) ) ? mysqli_change_user(conn, user, pass, $row) : false
$ret = '( ';
$ret.= '( ';
$ret.= '($___mysqli_res = mysqli_query(' . $conn . ', "SELECT DATABASE()")) && ';
$ret.= '($___mysqli_tmp = mysqli_fetch_row($___mysqli_res)) && ';
$ret.= '(($___mysqli_tmp = array_shift($___mysqli_tmp)) !== false) && ';
$ret.= '(mysqli_free_result($___mysqli_res)) ';
$ret.= ') ? ';
$ret.= sprintf('mysqli_change_user(%s, %s, %s, $___mysqli_tmp) : ', $conn, $user, $pass);
$ret.= 'false ';
$ret.= ')';
} else {
$warning = self::PARSE_ERROR_WRONG_PARAMS;
$ret = NULL;
}
return array($warning, $ret);
}
function getConversionHint() {
return 'mysql_change_user() can be translated into mysqli_change_user if the database is given. If not, it must be emulated using mysqli_query() and SELECT DATABASE() - which looks a bit like a hack.';
}
}
?>