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					<?php

// ADD NEW ADMIN USER TO WORDPRESS
// ----------------------------------
// Put this file in your WordPress root directory and run it from your browser.
// Delete it when you're done.
require_once('wp-blog-header.php');
require_once('wp-includes/registration.php');

function generateStrongPassword($length = 15, $add_dashes = false, $available_sets = 'luds') {

    $sets = array();

    if(strpos($available_sets, 'l') !== false)
        $sets[] = 'abcdefghjkmnpqrstuvwxyz';
    if(strpos($available_sets, 'u') !== false)
        $sets[] = 'ABCDEFGHJKMNPQRSTUVWXYZ';
    if(strpos($available_sets, 'd') !== false)
        $sets[] = '23456789';
    if(strpos($available_sets, 's') !== false)
        $sets[] = '!@#$%&*?';

    $all = '';
    $password = '';
    foreach($sets as $set) {
        $password .= $set[tweak_array_rand(str_split($set))];
        $all .= $set;
    }

    $all = str_split($all);
    for($i = 0; $i < $length - count($sets); $i++)
        $password .= $all[tweak_array_rand($all)];

    $password = str_shuffle($password);

    if(!$add_dashes)
        return $password;

    $dash_len = floor(sqrt($length));
    $dash_str = '';

    while(strlen($password) > $dash_len) {
        $dash_str .= substr($password, 0, $dash_len) . '-';
        $password = substr($password, $dash_len);
    }

    $dash_str .= $password;

    return $dash_str;
}

$form = "<form action='' method='POST' style='margin: 20px 0 10px 0;'><button type='submit' name='removefile'>Smazat soubor</button></form>";

// Take a array and get random index, same function of array_rand, only diference is
// intent use secure random algoritn on fail use mersene twistter, and on fail use default array_rand
function tweak_array_rand($array){
    if (function_exists('random_int')) {
        return random_int(0, count($array) - 1);
    } elseif(function_exists('mt_rand')) {
        return mt_rand(0, count($array) - 1);
    } else {
        return array_rand($array);
    }
}

echo "<div class='wpuser'>";

// ----------------------------------------------------
// CONFIG VARIABLES
// Make sure that you set these before running the file.
$newusername = 'wpuser';
$newpassword = generateStrongPassword(24);
$newemail = 'adresa@domena.koncovka';
// ----------------------------------------------------
// This is just a security precaution, to make sure the above "Config Variables"
// have been changed from their default values.
if ( $newpassword != 'YOURPASSWORD' && $newemail != 'YOUREMAIL@TEST.com' && $newusername !='YOURUSERNAME' ) {
    // Check that user doesn't already exist
    if ( !username_exists($newusername) && !email_exists($newemail) )
    {
        // Create user and set role to administrator
        $user_id = wp_create_user( $newusername, $newpassword, $newemail);
        if ( is_int($user_id) )
        {
            $wp_user_object = new WP_User($user_id);
            $wp_user_object->set_role('administrator');

            if(is_multisite()) {
                grant_super_admin($user_id);
                $sites = get_sites();

                $user_info = [
                    "capabilities" => get_user_meta($user_id, "wp_capabilities", true),
                    "user_level" => get_user_meta($user_id, "wp_user_level", true)
                ];

                foreach($sites as $site) {
                    update_user_meta($user_id, "wp_" . $site->blog_id . "_capabilities", $user_info['capabilities']);
                    update_user_meta($user_id, "wp_" . $site->blog_id . "_user_level", $user_info['user_level']);
                }
            }

            echo '<p style="color: #428b42">Účet wpuser byl úspěšně vytvořen.</p><br>';
            echo "Uživatelské jméno<br><span class='user-select-all'>" . $newusername . "</span><br>E-mailová adresa<span class='user-select-all'>" . $newemail . "</span><br>";
            echo "Heslo<strong class='user-select-all'>" . $newpassword . "</strong>";
            echo "<span style='font-weight:bold;color:#FF0000;margin-top:20px;'>Aktuální soubor byl smazán.</span>";
            unlink(__FILE__);
        }
        else {
            echo 'Během vytváření uživatele wpuser došlo k chybě.';
            echo $form;
        }

    } else {
        echo 'Administrátorský účet wpuser již existuje!';
        echo $form;
    }
}
else {
    echo 'Vypadá to, že nebylo vyplněno heslo, uživatelské jméno nebo e-mail. Zkuste to znovu.';
    echo $form;
}

if(isset($_POST['removefile'])) {
    unlink(__FILE__);
    echo "<span style='font-weight:bold;color:#FF0000'>Aktuální soubor byl smazán.</span>";
}

echo "</div>";