Arkadaşlar Ücretli Ücretsiz desteklerinizi bekliyorum;
Projemde 2 farklı sistemim var.

2. scriptin login kısmını 1. scripte entegre etmek istiyorum.
Detayları özel mesaj ile anlatabilirim.

1. scripti login.php kısmı
    <section class="login-register-area">
 <div class="auto-container">
 <div class="row">
 <div class="col-xl-6 col-lg-12 col-md-12 col-sm-12">
 <div class="form">
 <div class="shop-page-title">
 <div class="title">Normal Üye Girişi </div>
 </div>
 <div class="row">
 <form action="" method="post">
 <?php if (error()) : ?>
 <div class="col-md-12">
 <div class="alert alert-danger" role="alert">
 <?= $error ?>
 </div>
 </div>
 <?php endif; ?>
 <?php if (success()) : ?>
 <div class="col-xl-12">
 <div class="alert alert-success" role="alert">
 <?= $success ?>
 </div>
 </div>
 <?php endif; ?>
 <div class="col-xl-12">
 <div class="input-field">
 <input type="text" name="email" placeholder="E-posta adresiniz *" value="">
 <div class="icon-holder">
 <i class="fa fa-envelope" aria-hidden="true"></i>
 </div>
 </div>
 </div>
 <div class="col-xl-12">
 <div class="input-field">
 <input type="password" name="password" placeholder="Şifreniz">
 <div class="icon-holder">
 <i class="fa fa-unlock-alt" aria-hidden="true"></i>
 </div>
 </div>
 </div>

 <div class="col-xl-12">
 <input type="hidden" name="login" value="1">
 <button class="theme-btn btn-style-one" type="submit"><span>Giriş Yap</span></button>
 <div class="remember-text">
 <div class="checkbox">
 <label>
 <input name="remember" type="checkbox">
 <span>Beni Hatırla</span>
 </label>
 </div>
 </div>
 <div class="remember-text">
 <a href="<?= site_url('soru/sifre-hatirlat') ?>">Şifremi unuttum</a>
 </div>


 </div>
 </form> 
 </div>
 </div> 
                </div>




2. scripti login.php kısmı
<?php
/*
    Question2Answer by Gideon Greenspan and contributors
    http://www.question2answer.org/

    Description: Controller for login page


    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    More about this license: http://www.question2answer.org/license.php
*/

if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
    header('Location: ../../');
    exit;
}


if (qa_is_logged_in()) {
    qa_redirect('');
}

// Check we're not using Q2A's single-sign on integration and that we're not logged in
if (QA_FINAL_EXTERNAL_USERS) {
    $request = qa_request();
    $topath = qa_get('to'); // lets user switch between login and register without losing destination page
    $userlinks = qa_get_login_links(qa_path_to_root(), isset($topath) ? $topath : qa_path($request, $_GET, ''));

    if (!empty($userlinks['login'])) {
        qa_redirect_raw($userlinks['login']);
    }
    qa_fatal_error('User login should be handled by external code');
}


// Process submitted form after checking we haven't reached rate limit

$passwordsent = qa_get('ps');
$emailexists = qa_get('ee');

$inemailhandle = qa_post_text('emailhandle');
$inpassword = qa_post_text('password');
$inremember = qa_post_text('remember');

if (qa_clicked('dologin') && (strlen($inemailhandle) || strlen($inpassword))) {
    require_once QA_INCLUDE_DIR . 'app/limits.php';

    if (qa_user_limits_remaining(QA_LIMIT_LOGINS)) {
        require_once QA_INCLUDE_DIR . 'db/users.php';
        require_once QA_INCLUDE_DIR . 'db/selects.php';

        if (!qa_check_form_security_code('login', qa_post_text('code'))) {
            $pageerror = qa_lang_html('misc/form_security_again');
        }
        else {
            qa_limits_increment(null, QA_LIMIT_LOGINS);

            $errors = array();

            if (qa_opt('allow_login_email_only') || strpos($inemailhandle, '@') !== false) { // handles can't contain @ symbols
                $matchusers = qa_db_user_find_by_email($inemailhandle);
            } else {
                $matchusers = qa_db_user_find_by_handle($inemailhandle);
            }

            if (count($matchusers) == 1) { // if matches more than one (should be impossible), don't log in
                $inuserid = $matchusers[0];
                $userinfo = qa_db_select_with_pending(qa_db_user_account_selectspec($inuserid, true));

                $legacyPassOk = hash_equals(strtolower($userinfo['passcheck']), strtolower(qa_db_calc_passcheck($inpassword, $userinfo['passsalt'])));

                if (QA_PASSWORD_HASH) {
                    $haspassword = isset($userinfo['passhash']);
                    $haspasswordold = isset($userinfo['passsalt']) && isset($userinfo['passcheck']);
                    $passOk = password_verify($inpassword, $userinfo['passhash']);

                    if (($haspasswordold && $legacyPassOk) || ($haspassword && $passOk)) {
                        // upgrade password or rehash, when options like the cost parameter changed
                        if ($haspasswordold || password_needs_rehash($userinfo['passhash'], PASSWORD_BCRYPT)) {
                            qa_db_user_set_password($inuserid, $inpassword);
                        }
                    } else {
                        $errors['password'] = qa_lang('users/password_wrong');
                    }
                } else {
                    if (!$legacyPassOk) {
                        $errors['password'] = qa_lang('users/password_wrong');
                    }
                }

                if (!isset($errors['password'])) {
                    // login and redirect
                    require_once QA_INCLUDE_DIR . 'app/users.php';
                    qa_set_logged_in_user($inuserid, $userinfo['handle'], !empty($inremember));

                    $topath = qa_get('to');

                    if (isset($topath))
                        qa_redirect_raw(qa_path_to_root() . $topath); // path already provided as URL fragment
                    elseif ($passwordsent)
                        qa_redirect('account');
                    else
                        qa_redirect('');
                }

            } else {
                $errors['emailhandle'] = qa_lang('users/user_not_found');
            }
        }

    } else {
        $pageerror = qa_lang('users/login_limit');
    }

} else {
    $inemailhandle = qa_get('e');
}


// Prepare content for theme

$qa_content = qa_content_prepare();

$qa_content['title'] = qa_lang_html('users/login_title');

$qa_content['error'] = @$pageerror;

if (empty($inemailhandle) || isset($errors['emailhandle']))
    $forgotpath = qa_path('forgot');
else
    $forgotpath = qa_path('forgot', array('e' => $inemailhandle));

$forgothtml = '<a href="' . qa_html($forgotpath) . '">' . qa_lang_html('users/forgot_link') . '</a>';

$qa_content['form'] = array(
    'tags' => 'method="post" action="' . qa_self_html() . '"',

    'style' => 'tall',

    'ok' => $passwordsent ? qa_lang_html('users/password_sent') : ($emailexists ? qa_lang_html('users/email_exists') : null),

    'fields' => array(
        'email_handle' => array(
            'label' => qa_opt('allow_login_email_only') ? qa_lang_html('users/email_label') : qa_lang_html('users/email_handle_label'),
            'tags' => 'name="emailhandle" id="emailhandle" dir="auto"',
            'value' => qa_html(@$inemailhandle),
            'error' => qa_html(@$errors['emailhandle']),
        ),

        'password' => array(
            'type' => 'password',
            'label' => qa_lang_html('users/password_label'),
            'tags' => 'name="password" id="password" dir="auto"',
            'value' => qa_html(@$inpassword),
            'error' => empty($errors['password']) ? '' : (qa_html(@$errors['password']) . ' - ' . $forgothtml),
            'note' => $passwordsent ? qa_lang_html('users/password_sent') : $forgothtml,
        ),

        'remember' => array(
            'type' => 'checkbox',
            'label' => qa_lang_html('users/remember_label'),
            'tags' => 'name="remember"',
            'value' => !empty($inremember),
        ),
    ),

    'buttons' => array(
        'login' => array(
            'label' => qa_lang_html('users/login_button'),
        ),
    ),

    'hidden' => array(
        'dologin' => '1',
        'code' => qa_get_form_security_code('login'),
    ),
);

$loginmodules = qa_load_modules_with('login', 'login_html');

foreach ($loginmodules as $module) {
    ob_start();
    $module->login_html(qa_opt('site_url') . qa_get('to'), 'login');
    $html = ob_get_clean();

    if (strlen($html))
        @$qa_content['custom'] .= '<br>' . $html . '<br>';
}

$qa_content['focusid'] = (isset($inemailhandle) && !isset($errors['emailhandle'])) ? 'password' : 'emailhandle';


return $qa_content;