battles/user_anketa.php

<?php
session_start();
require_once 'functions.php';
define('INFO_CHAR_LIMIT', 1500);
$name = filter_input(INPUT_POST, 'name', FILTER_SANITIZE_STRING);
$oldpsw = filter_input(INPUT_POST, 'oldpsw', FILTER_SANITIZE_SPECIAL_CHARS);
$newpsw = filter_input(INPUT_POST, 'newpsw', FILTER_SANITIZE_SPECIAL_CHARS);
$color = filter_input(INPUT_POST, 'color', FILTER_VALIDATE_INT);
$hobbie = filter_input(INPUT_POST, 'hobbie', FILTER_SANITIZE_STRING);
$hobbie = str_replace("\\n", "<br />", $hobbie);
$hobbie = str_replace("\\r", "", $hobbie);
$hobbie = str_replace("&lt;br&nbsp;/&gt;", "<br />", $hobbie);

if ($name || $color || $hobbie) {
    switch ($color) {
        case 1:
            $color = 'blue';
            break;
        case 2:
            $color = 'green';
            break;
        default:
            $color = 'black';
            break;
    }

    if (strlen($hobbie) > INFO_CHAR_LIMIT) {
        err('Максимальная длинна поля Хобби: ' . INFO_CHAR_LIMIT . ' символов!');
    } else {
        $values = ['realname' => $name, 'color' => $color, 'info' => $hobbie];
        db::c()->query('UPDATE users SET ?As WHERE id = ?i', $values, $user->id);
    }
}

if ($oldpsw && $newpsw) {
    if (password_verify($oldpsw, $user->pass)) {
        db::c()->query('UPDATE `users` SET `pass` = "?s" WHERE `id` = ?i', password_hash($newpsw, PASSWORD_DEFAULT), $user->id);
    } else {
        err('Неверный текущий пароль!');
    }
}
\Battles\Template::header('Анкета');
?>
<a href="main.php">← на главную</a>
<h1>Анкета персонажа <?= $user->login ?></h1>
<form method="post">
    <input name="name" placeholder="Реальное имя" value="<?= $user->realname ?>"><br>
    <select name="color" id="color">
        <option value="0" selected>Чёрный</option>
        <option value="1">Синий</option>
        <option value="2">Зелёный</option>
    </select><label for="color"></label><br>
    <textarea name="hobbie" placeholder="Хобби"><?= $user->info ?></textarea><br>
    <input name="submit" type="submit">
</form>
<h1>Безопасность</h1>
<form method="post">
    <input placeholder="Старый пароль" name="oldpsw">
    <input placeholder="Новый пароль" name="newpsw">
    <input type="submit">
</form>