MySQL2MySQLi/Function/ListFields.php

66 lines
2.4 KiB
PHP

<?php
require_once('Generic.php');
/**
* Converter: mysql_list_fields
*
* @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_ListFields extends MySQLConverterTool_Function_Generic {
public $new_name = 'mysqli_query';
public function __construct() {
}
function handle(Array $params = array()) {
// mysql_list_fields ( string database_name, string table_name [, resource link_identifier] )
// mixed mysqli_query ( mysqli link, string query [, int resultmode] )
if (count($params) < 2 || count($params) > 3)
return array(self::PARSE_ERROR_WRONG_PARAMS, NULL);
@list($db, $table, $conn) = $this->extractParamValues($params);
if (is_null($conn))
$conn = $this->ston_name;
list($db, $db_type) = $this->extractValueAndType(trim($db));
list($table, $table_type) = $this->extractValueAndType(trim($table));
$sql = '"SHOW COLUMNS FROM ';
if ($db_type == 'const')
$sql .= '" . constant(\'' . $db . '\') . ".';
else
$sql .= $db . '.';
if ($table_type == 'const')
$sql .= '" . constant(\'' . $table . '\')';
else
$sql .= $table . '"';
$ret = sprintf('(($___mysqli_tmp = mysqli_query(%s, %s)) ? $___mysqli_tmp : false)', $conn, $sql);
return array(
'mysql_list_fields(string database_name, string table_name [...]) is emulated using mysqli_query() and SHOW COLUMNS FROM database_name.table_name . This is a possible SQL injection security bug as no tests are performed what value database_name and/or table_name have. Check your script! Additionally, this is not fully compatible to the original expression, check the mysql_list_fields() documentation on php.net!', $ret);
}
function getConversionHint() {
return 'Emulated using mysqli_query() and SHOW COLUMNS FROM table';
}
}
?>