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1<?php
2
3/**
4 *
5 * This file is part of the phpBB Forum Software package.
6 *
7 * @copyright (c) phpBB Limited <https://www.phpbb.com>
8 * @license GNU General Public License, version 2 (GPL-2.0)
9 *
10 * For full copyright and license information, please see
11 * the docs/CREDITS.txt file.
12 *
13 */
14
15namespace phpbb\db\migration\data\v31x;
16
17class profilefield_remove_underscore_from_alpha extends \phpbb\db\migration\migration
18{
19    public static function depends_on()
20    {
21        return array('\phpbb\db\migration\data\v31x\v311');
22    }
23
24    public function update_data()
25    {
26        return array(
27            array('custom', array(array($this, 'remove_underscore_from_alpha_validations'))),
28        );
29    }
30
31    public function remove_underscore_from_alpha_validations()
32    {
33        $this->update_validation_rule('[\w]+', '[a-zA-Z0-9]+');
34        $this->update_validation_rule('[\w_]+', '[\w]+');
35        $this->update_validation_rule('[\w.]+', '[a-zA-Z0-9.]+');
36        $this->update_validation_rule('[\w\x20_+\-\[\]]+', '[\w\x20+\-\[\]]+');
37        $this->update_validation_rule('[a-zA-Z][\w\.,\-_]+', '[a-zA-Z][\w\.,\-]+');
38    }
39
40    public function update_validation_rule($old_validation, $new_validation)
41    {
42        $sql = 'UPDATE ' . PROFILE_FIELDS_TABLE . "
43            SET field_validation = '" . $this->db->sql_escape($new_validation) . "'
44            WHERE field_validation = '" . $this->db->sql_escape($old_validation) . "'";
45        $this->db->sql_query($sql);
46    }
47}