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Edit File: SnapWP.php

<?php

/**
 *
 * @package   Duplicator
 * @copyright (c) 2022, Snap Creek LLC
 */

namespace Duplicator\Libs\Snap;

use Exception;
use WP_Roles;
use WP_Site;
use WP_Theme;
use wpdb;

/**
 * Wordpress utility functions
 *
 * old: SnapWP
 */
class SnapWP
{
    const DEFAULT_MAX_GET_SITES_NUMBER = 10000;
    const PATH_FULL                    = 0;
    const PATH_RELATIVE                = 1;
    const PATH_AUTO                    = 2;

const PLUGIN_INFO_ALL      = 0;
    const PLUGIN_INFO_ACTIVE   = 1;
    const PLUGIN_INFO_INACTIVE = 2;

/**
     *
     * @var string if not empty alters isWpCore's operation
     */
    private static $wpCoreRelativePath = '';

/** @var ?array<string, mixed> initialized inside wordpress_core_files.php */
    private static $corePathList = null;

/**
     * return safe ABSPATH without last /
     * perform safe function only one time
     *
     * @return string
     */
    public static function getSafeAbsPath()
    {
        static $safeAbsPath = null;

if (is_null($safeAbsPath)) {
            if (defined('ABSPATH')) {
                $safeAbsPath = SnapIO::safePathUntrailingslashit(ABSPATH);
            } else {
                $safeAbsPath = '';
            }
        }

return $safeAbsPath;
    }

/**
     * Return wp-config path or false if not found
     *
     * @return bool|string
     */
    public static function getWPConfigPath()
    {
        static $configPath = null;
        if (is_null($configPath)) {
            $absPath   = SnapIO::safePathTrailingslashit(ABSPATH, true);
            $absParent = dirname($absPath) . '/';

if (file_exists($absPath . 'wp-config.php')) {
                $configPath = $absPath . 'wp-config.php';
            } elseif (@file_exists($absParent . 'wp-config.php') && !@file_exists($absParent . 'wp-settings.php')) {
                $configPath = $absParent . 'wp-config.php';
            } else {
                $configPath = false;
            }
        }
        return $configPath;
    }

/**
     * Get wordpress table info by table name
     *
     * @param string $table  table name
     * @param string $prefix wordpress prefix
     *
     * @return array{isCore: bool, havePrefix: bool, subsiteId: int, isMultisiteCore: bool}
     */
    public static function getTableInfoByName($table, $prefix)
    {
        $result = array(
            'isCore' => false,
            'havePrefix' => false,
            'subsiteId' => -1,
            'isMultisiteCore' => false
        );

if (preg_match('/^' . preg_quote($prefix, '/') . '(?:(\d+)_)?(.+)/', $table, $matches) !== 1) {
            return $result;
        }

$result['havePrefix']      = true;
        $nameWithoutPrefix         =  $matches[2];
        $result['isMultisiteCore'] = in_array($nameWithoutPrefix, self::getMultisiteTables());
        $result['isCore']          = $result['isMultisiteCore'] || in_array($nameWithoutPrefix, self::getSiteCoreTables());

if (is_numeric($matches[1])) {
            $result['subsiteId'] = (int) $matches[1];
        } elseif (!$result['isMultisiteCore']) {
            $result['subsiteId'] =  1;
        }
        return $result;
    }

/**
     * Get the list of wp prefixes from given tables list
     *
     * @param string[] $tables List of table names to check for unique WP prefixes
     *
     * @return string[]
     */
    public static function getUniqueWPTablePrefixes($tables)
    {
        $userPrefix     = array();
        $userMetaPrefix = array();

foreach ($tables as $table) {
            if (preg_match("/^(.*)users$/m", $table, $matches)) {
                $userPrefix[] = $matches[1];
            } elseif (preg_match("/^(.*)usermeta$/m", $table, $matches)) {
                $userMetaPrefix[] = $matches[1];
            }
        }

return array_intersect($userPrefix, $userMetaPrefix);
    }

/**
     * Modifies the database based on specified SQL statements.
     *
     * Useful for creating new tables and updating existing tables to a new structure.
     *
     * From Wordpress dbDelta
     *
     * @global \wpdb $wpdb WordPress database abstraction object.
     *
     * @param string[]|string $queries Optional. The query to run. Can be multiple queries
     *                                 in an array, or a string of queries separated by
     *                                 semicolons. Default empty string.
     * @param bool            $execute Optional. Whether or not to execute the query right away.
     *                                 Default true.
     *
     * @return string[] Strings containing the results of the various update queries.
     */
    public static function dbDelta($queries = '', $execute = true)
    {
        $mysqliDriver = new \mysqli_driver();

$defReporting = $mysqliDriver->report_mode;
        mysqli_report(MYSQLI_REPORT_OFF);

$result = dbDelta($queries, $execute);
        mysqli_report($defReporting);

return $result;
    }

/**
     * Schedules cron event if it's not already scheduled.
     *
     * @param int    $timestamp        Timestamp of the first next run time
     * @param string $cronIntervalName Name of cron interval to be used
     * @param string $hook             Hook that we want to assign to the given cron interval
     *
     * @return void
     */
    public static function scheduleEvent($timestamp, $cronIntervalName, $hook)
    {
        if (!wp_next_scheduled($hook)) {
            // Assign the hook to the schedule
            wp_schedule_event($timestamp, $cronIntervalName, $hook);
        }
    }

/**
     * Unschedules cron event if it's scheduled.
     *
     * @param string $hook Name of the hook that we want to unschedule
     *
     * @return void
     */
    public static function unscheduleEvent($hook)
    {
        if (wp_next_scheduled($hook)) {
            // Unschedule the hook
            $timestamp = wp_next_scheduled($hook);
            wp_unschedule_event($timestamp, $hook);
        }
    }

/**
     * Get Auto_increment value of wp_blogs table in multisite.
     * That is id of the first next subsite that will be imported.
     *
     * @return int // returns Auto_increment value of wp_blogs table in multisite,
     *             // returns -1 if Auto_increment value can not be obtained for any reason
     */
    public static function getNextSubsiteIdAI()
    {
        $nextSubsiteIdAI = -1;
        if (!is_multisite()) {
            return $nextSubsiteIdAI;
        }
        /** @var \wpdb $wpdb */
        global $wpdb;

$sql    = $wpdb->prepare("SHOW TABLE STATUS LIKE %s", $wpdb->prefix . "blogs");
        $result = $wpdb->get_results($sql, ARRAY_A);
        if (count($result) < 1) {
            return $nextSubsiteIdAI;
        }
        $row = $result[0];
        if (array_key_exists("Auto_increment", $row)) {
            $nextSubsiteIdAI = intval($row["Auto_increment"]);
        }
        return $nextSubsiteIdAI;
    }

/**
     * From a tables list filters all tables without WP prefix
     *
     * @param string[] $tables tables list
     *
     * @return string[]
     */
    public static function getTablesWithPrefix($tables)
    {
        /** @var \wpdb $wpdb */
        global $wpdb;

$tables = (array) $tables;

$result = array();

foreach ($tables as $table) {
            if (strpos($table, $wpdb->prefix) === 0) {
                $result[] = $table;
            }
        }
        return $result;
    }

/**
     * Check if passed folder is home folder
     *
     * @param string $folder folder path
     *
     * @return boolean return true if folder is wordpress home folder
     */
    public static function isWpHomeFolder($folder)
    {
        $indexPhp = SnapIO::trailingslashit($folder) . 'index.php';
        if (!file_exists($indexPhp)) {
            return false;
        }

if (($indexContent = file_get_contents($indexPhp)) === false) {
            return false;
        }

return (preg_match('/^.*\srequire.*?[\'"].*wp-blog-header\.php[\'"].*?;.*$/s', $indexContent) === 1);
    }

/**
     * This function is the equivalent of the get_home_path function but with various fixes
     *
     * @return string
     */
    public static function getHomePath()
    {
        static $home_path = null;

if (is_null($home_path)) {
            // outside wordpress this function makes no sense
            if (!defined('ABSPATH')) {
                $home_path = '';
                return $home_path;
            }

if (isset($_SERVER['SCRIPT_FILENAME']) && is_readable($_SERVER['SCRIPT_FILENAME'])) {
                $scriptFilename = $_SERVER['SCRIPT_FILENAME'];
            } else {
                $files          = get_included_files();
                $scriptFilename = array_shift($files);
            }

$realScriptDirname = SnapIO::safePathTrailingslashit(dirname($scriptFilename), true);
            $realAbsPath       = SnapIO::safePathTrailingslashit(ABSPATH, true);

if (strpos($realScriptDirname, $realAbsPath) === 0) {
                // normalize URLs without www
                $home    = SnapURL::wwwRemove(set_url_scheme(get_option('home'), 'http'));
                $siteurl = SnapURL::wwwRemove(set_url_scheme(get_option('siteurl'), 'http'));

if (!empty($home) && 0 !== strcasecmp($home, $siteurl)) {
                    if (stripos($siteurl, $home) === 0) {
                        $wp_path_rel_to_home = str_ireplace($home, '', $siteurl); /* $siteurl - $home */
                        $pos                 = strripos(
                            str_replace('\\', '/', $scriptFilename),
                            SnapIO::trailingslashit($wp_path_rel_to_home)
                        );
                        $home_path           = substr($scriptFilename, 0, $pos);
                        $home_path           = SnapIO::trailingslashit($home_path);
                    } else {
                        $home_path = ABSPATH;
                    }
                } else {
                    $home_path = ABSPATH;
                }
            } else {
                // On frontend the home path is the folder of index.php
                $home_path = SnapIO::trailingslashit(dirname($scriptFilename));
            }

// make sure the folder exists or consider ABSPATH
            if (!file_exists($home_path)) {
                $home_path = ABSPATH;
            }

$home_path = str_replace('\\', '/', $home_path);
        }
        return $home_path;
    }

/**
     * Return admin url, if is multisite return network_admin_url
     *
     * @param string $path   Optional. Path relative to the admin URL. Default 'admin'.
     * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl().
     *                       'http' or 'https' can be passed to force those schemes.
     *
     * @return string Admin  URL link with optional path appended.
     */
    public static function getAdminUrl($path, $scheme = 'admin')
    {
        if (is_multisite()) {
            return network_admin_url($path, $scheme);
        } else {
            return admin_url($path, $scheme);
        }
    }

/**
     * Ser relative abs path
     *
     * @param string $string abs path
     *
     * @return void
     */
    public static function setWpCoreRelativeAbsPath($string = '')
    {
        self::$wpCoreRelativePath = (string) $string;
    }

/**
     * check if path is in wordpress core list
     * PATH_FULL and PATH_RELATIVE is better optimized and perform less operations
     *
     * @param string $path     file path
     * @param int    $fullPath if PATH_AUTO check if is a full path or relative path
     *                         if PATH_FULL remove ABSPATH len without check
     *                         if PATH_RELATIVE consider path a relative path
     * @param bool   $isSafe   if false call rtrim(SnapIO::safePath( PATH ), '/')
     *                         if true consider path a safe path without check
     *
     * @return boolean
     */
    public static function isWpCore($path, $fullPath = self::PATH_AUTO, $isSafe = false)
    {
        if ($isSafe == false) {
            $path = rtrim(SnapIO::safePath($path), '/');
        }

switch ($fullPath) {
            case self::PATH_FULL:
                $absPath = self::getSafeAbsPath();
                if (strlen($path) < strlen($absPath)) {
                    return false;
                }
                $relPath = ltrim(substr($path, strlen($absPath)), '/');
                break;
            case self::PATH_RELATIVE:
                if (($relPath = SnapIO::getRelativePath($path, self::$wpCoreRelativePath)) === false) {
                    return false;
                }
                break;
            case self::PATH_AUTO:
            default:
                $absPath = self::getSafeAbsPath();
                if (strpos($path, $absPath) === 0) {
                    $relPath = ltrim(substr($path, strlen($absPath)), '/');
                } else {
                    $relPath = ltrim($path, '/');
                }
        }

// if rel path is empty is consider root path so is a core folder.
        if (strlen($relPath) === 0) {
            return true;
        }

$pExploded = explode('/', $relPath);
        $corePaths = self::getCorePathsList();

foreach ($pExploded as $current) {
            if (!isset($corePaths[$current])) {
                return false;
            }

if (is_scalar($corePaths[$current])) {
                // is file so don't have childs
                $corePaths = array();
            } else {
                $corePaths = $corePaths[$current];
            }
        }
        return true;
    }

/**
     *
     * @param string $relPath If empty is consider abs root path
     *
     * @return array{dirs: string[], files: string[]}
     */
    public static function getWpCoreFilesListInFolder($relPath = '')
    {
        $corePaths = self::getCorePathsList();
        if (strlen($relPath) > 0) {
            $pExploded = explode('/', $relPath);
            foreach ($pExploded as $current) {
                if (!isset($corePaths[$current])) {
                    $corePaths = array();
                    break;
                }

if (is_scalar($corePaths[$current])) {
                    // is file so don't have childs
                    $corePaths = array();
                } else {
                    $corePaths = $corePaths[$current];
                }
            }
        }

$result = array(
            'dirs'  => array(),
            'files' => array()
        );

foreach ($corePaths as $name => $content) {
            if (is_array($content)) {
                $result['dirs'][] = $name;
            } else {
                $result['files'][] = $name;
            }
        }

return $result;
    }

/**
     * Get core path list from relative abs path
     * [
     *      'folder' => [
     *          's-folder1' => [
     *              file1 => [],
     *              file2 => [],
     *          ],
     *          's-folder2' => [],
     *          file1 => []
     *      ]
     * ]
     *
     * @return array<string, mixed[]>
     */
    public static function getCorePathsList()
    {
        if (is_null(self::$corePathList)) {
            require_once(dirname(__FILE__) . '/wordpress_core_files.php');
        }
        return self::$corePathList;
    }

/**
     * Get List of core folders inside the wp-content folder
     *
     * @return string[]
     */
    public static function getWPContentCoreDirs()
    {
        return array(
            'languages',
            'cache'
        );
    }

/**
     * Returns the main site ID for the network.
     *
     * Copied from the source of the get_main_site_id() except first line in https://developer.wordpress.org/reference/functions/get_main_site_id/
     * get_main_site_id() is introduced in WP 4.9.0. It is for backward compatibility
     *
     * @param int|null $network_id network id
     *
     * @return int The ID of the main site.
     */
    public static function getMainSiteId($network_id = null)
    {
        // For > WP 4.9.0
        if (function_exists('get_main_site_id')) {
            return get_main_site_id($network_id);
        }

if (!is_multisite()) {
            return get_current_blog_id();
        }

$network = function_exists('get_network') ? get_network($network_id) : wp_get_network($network_id);
        if (!$network) {
            return 0;
        }

return $network->site_id;
    }

/**
     * Return object list of sites
     *
     * @param string|array<string, mixed> $args list of filters, see wordpress get_sites function
     *
     * @return false|WP_Site[]|int[] site list or ids or false if isn't multisite
     */
    public static function getSites($args = array())
    {
        if (!function_exists('is_multisite') || !is_multisite()) {
            return false;
        }

if (!isset($args['number'])) {
            $args['number'] = self::DEFAULT_MAX_GET_SITES_NUMBER;
        }

if (function_exists('get_sites')) {
            return get_sites($args);
        } else {
            $result    = array();
            $blogs     = wp_get_sites($args);
            $returnIds = (isset($args['fields']) && $args['fields'] === 'ids');
            foreach ($blogs as $blog) {
                if (is_array($blog)) {
                    $blog = (object) $blog;
                }
                $result[] = ($returnIds ? $blog->blog_id : $blog);
            }
            return $result;
        }
    }

/**
     * Return list of subiste ids
     *
     * @return int[]
     */
    public static function getSitesIds()
    {
        if (!is_multisite()) {
            return array(1);
        }

return SnapWP::getSites(array('fields' => 'ids'));
    }

/**
     * return the list of possible dropins plugins
     *
     * @return string[]
     */
    public static function getDropinsPluginsNames()
    {
        return array(
            'advanced-cache.php', // WP_CACHE
            'db.php', // auto on load
            'db-error.php', // auto on error
            'install.php', // auto on installation
            'maintenance.php', // auto on maintenance
            'object-cache.php', // auto on load
            'php-error.php', // auto on error
            'fatal-error-handler.php', // auto on error
            'sunrise.php',
            'blog-deleted.php',
            'blog-inactive.php',
            'blog-suspended.php'
        );
    }

/**
     * Return site and subsite tables names without prefix
     *
     * @return string[]
     */
    public static function getSiteCoreTables()
    {
        return array(
            'commentmeta',
            'comments',
            'links',
            'options',
            'postmeta',
            'posts',
            'term_relationships',
            'term_taxonomy',
            'terms',
            'termmeta'
        );
    }

/**
     * Return multisite general tables without prefix
     *
     * @return string[]
     */
    public static function getMultisiteTables()
    {
        return array(
            'blogmeta',
            'blogs',
            'blog_versions',
            'registration_log',
            'signups',
            'site',
            'sitemeta'
        );
    }

/**
     * Returns gmt_offset * 3600
     *
     * @return int timezone offset in seconds
     */
    public static function getGMTOffset()
    {
        return get_option('gmt_offset') ? ((float) get_option('gmt_offset')) * 3600 : 0;
    }

/**
     * Returns wp option "timezone_string"
     *
     * @return string // timezone_string, will be empty if manual offset is chosen
     */
    public static function getTimeZoneString()
    {
        static $timezoneString = null;
        if (is_null($timezoneString)) {
            $timezoneString = get_option('timezone_string');
        }
        return $timezoneString;
    }

/**
     * Returns 1 if DST is active on given timestamp, 0 if it's not active.
     * Currently active timezone is taken into account.
     *
     * @param int $timestamp In seconds
     *
     * @return int 1 if DST is active, 0 otherwise
     */
    public static function getDST($timestamp)
    {
        $timezoneString = self::getTimeZoneString();
        if (!$timezoneString) {
            // There is no DST if manual offset is chosen in WP settings timezone
            return 0;
        }
        $date = new \DateTime();
        $date->setTimestamp($timestamp);
        $date->setTimezone(new \DateTimeZone($timezoneString));
        return (int) $date->format('I');
    }

/**
     * Converts timestamp to date string with given format, according to
     * currently selected timezone in Wordpress settings
     *
     * @param string $format    Format for date
     * @param int    $timestamp In seconds
     *
     * @return string Date converted to string in currently selected timezone
     */
    public static function getDateInWPTimezone($format, $timestamp)
    {
        $timezoneString = self::getTimeZoneString();
        if ($timezoneString) {
            // Particular timezone is selected, not manual offset. This means that DST could be in place,
            // and we can't use current gmt_offset. We have to use the timezone!
            $date = new \DateTime();
            $date->setTimestamp($timestamp);
            $date->setTimezone(new \DateTimeZone($timezoneString));
            return $date->format($format);
        }
        // Manual offset is selected. In this case there is no DST so we can
        // create the date string using current gmt_offset.
        $local_time = $timestamp + SnapWP::getGMTOffset();
        return (string) date($format, $local_time);
    }

/**
     *
     * @param int $blogId if multisite and blogId > 0 return the user of blog
     *
     * @return array<object{ID: int, user_login: string}>
     */
    public static function getAdminUserLists($blogId = 0)
    {
        $args = array(
            'fields' => array('ID', 'user_login')
        );

if (is_multisite()) {
            $args['blog_id'] = $blogId;
            if ($blogId == 0) {
                $args['login__in'] = get_site_option('site_admins');
            }
        } else {
            $args['role'] = 'administrator';
        }

return get_users($args);
    }

/**
     * Get users count
     *
     * @return int
     */
    public static function getUsersCount()
    {
        global $wpdb;
        $sql = "SELECT COUNT(ID) FROM $wpdb->users";
        return (int) $wpdb->get_var($sql);
    }

/**
     * Return post types count
     *
     * @return array<string, int>
     */
    public static function getPostTypesCount()
    {
        $postTypes     = get_post_types();
        $postTypeCount = array();

foreach ($postTypes as $postName) {
            $postObj = get_post_type_object($postName);
            if (!$postObj->public) {
                continue;
            }

/** @var int[] */
            $postCountForTypes = (array) wp_count_posts($postName);
            $postCount         = 0;
            foreach ($postCountForTypes as $num) {
                $postCount += $num;
            }
            $postTypeCount[$postObj->label] = $postCount;
        }

return $postTypeCount;
    }

/**
     * Get plugins array info with multisite, must-use and drop-ins
     *
     * @param string $key User meta key
     *
     * @return bool true on success, false on failure
     */
    public static function deleteUserMetaKey($key)
    {
        /** @var wpdb $wpdb */
        global $wpdb;

if (
            $wpdb->delete(
                $wpdb->usermeta,
                array('meta_key' => $key),
                array('%s')
            ) === false
        ) {
            return false;
        }

return true;
    }

/**
     * return plugin formatted data from plugin info
     *
     * @param WP_Theme $theme instance of WP Core class WP_Theme. theme info from get_themes function
     *
     * @return array<string, mixed>
     */
    protected static function getThemeArrayData(WP_Theme $theme)
    {
        $slug   = $theme->get_stylesheet();
        $parent = $theme->parent();
        return array(
            'slug'         => $slug,
            'themeName'    => $theme->get('Name'),
            'version'      => $theme->get('Version'),
            'themeURI'     => $theme->get('ThemeURI'),
            'parentTheme'  => (false === $parent) ? false : $parent->get_stylesheet(),
            'template'     => $theme->get_template(),
            'stylesheet'   => $theme->get_stylesheet(),
            'description'  => $theme->get('Description'),
            'author'       => $theme->get('Author'),
            "authorURI"    => $theme->get('AuthorURI'),
            'tags'         => $theme->get('Tags'),
            'isAllowed'    => $theme->is_allowed(),
            'isActive'     => (is_multisite() ? array() : false),
            'defaultTheme' => (defined('WP_DEFAULT_THEME') && WP_DEFAULT_THEME == $slug),
        );
    }

/**
     * get themes array info with active template, stylesheet
     *
     * @return array<string, mixed[]>
     */
    public static function getThemesInfo()
    {
        if (!function_exists('wp_get_themes')) {
            require_once ABSPATH . 'wp-admin/includes/theme.php';
        }

$result = array();

foreach (wp_get_themes() as $slug => $theme) {
            $result[$slug] = self::getThemeArrayData($theme);
        }

if (is_multisite()) {
            foreach (SnapWP::getSitesIds() as $siteId) {
                switch_to_blog($siteId);
                $stylesheet = get_stylesheet();
                if (isset($result[$stylesheet])) {
                    $result[$stylesheet]['isActive'][] = $siteId;
                }

//Also set parent theme to active if it exists
                $template = get_template();
                if ($template !== $stylesheet && isset($result[$template])) {
                    $result[$template]['isActive'][] = $siteId;
                }

restore_current_blog();
            }
        } else {
            $stylesheet = get_stylesheet();
            if (isset($result[$stylesheet])) {
                $result[$stylesheet]['isActive'] = true;
            }

//Also set parent theme to active if it exists
            $template = get_template();
            if ($template !== $stylesheet && isset($result[$template])) {
                $result[$template]['isActive'] = true;
            }
        }

return $result;
    }

/**
     * Get plugins array info with multisite, must-use and drop-ins
     *
     * @param int $filter ENUM: PLUGIN_INFO_ALL, PLUGIN_INFO_ACTIVE, PLUGIN_INFO_INACTIVE
     *
     * @return array<string, mixed[]>
     */
    public static function getPluginsInfo($filter = self::PLUGIN_INFO_ALL)
    {
        if (!defined('ABSPATH')) {
            throw new Exception('This function can be used only on wp');
        }

if (!function_exists('get_plugins')) {
            require_once ABSPATH . 'wp-admin/includes/plugin.php';
        }

// parse all plugins
        $result = array();
        foreach (get_plugins() as $path => $plugin) {
            $result[$path]                  = self::getPluginArrayData($path, $plugin);
            $result[$path]['networkActive'] = is_plugin_active_for_network($path);
            if (!is_multisite()) {
                $result[$path]['active'] = is_plugin_active($path);
            } else {
                // if is _multisite the active value is an array with the blog ids list where the plugin is active
                $result[$path]['active'] = array();
            }
        }

// If is _multisite the active value is an array with the blog ids list where the plugin is active
        if (is_multisite()) {
            foreach (SnapWP::getSitesIds() as $siteId) {
                switch_to_blog($siteId);
                foreach ($result as $path => $plugin) {
                    if (!$result[$path]['networkActive'] && is_plugin_active($path)) {
                        $result[$path]['active'][] = $siteId;
                    }
                }
                restore_current_blog();
            }
        }

// parse all must use plugins
        foreach (get_mu_plugins() as $path => $plugin) {
            $result[$path]            = self::getPluginArrayData($path, $plugin);
            $result[$path]['mustUse'] = true;
        }

// parse all dropins plugins
        foreach (get_dropins() as $path => $plugin) {
            $result[$path]            = self::getPluginArrayData($path, $plugin);
            $result[$path]['dropIns'] = true;
        }

switch ($filter) {
            case self::PLUGIN_INFO_ACTIVE:
                return array_filter(
                    $result,
                    function ($info) {
                        return SnapWP::isPluginActiveByInfo($info);
                    }
                );
            case self::PLUGIN_INFO_INACTIVE:
                return array_filter(
                    $result,
                    function ($info) {
                        return !SnapWP::isPluginActiveByInfo($info);
                    }
                );
            case self::PLUGIN_INFO_ALL:
            default:
                return $result;
        }
    }

/**
     * Determine if a plugin is active by info
     *
     * @param array{active: bool|bool[], networkActive: bool, dropIns: bool, mustUse: bool} $info Plugin info
     *
     * @return bool
     */
    protected static function isPluginActiveByInfo($info)
    {
        return (
            $info['active'] === true ||
            $info['networkActive'] ||
            (
                is_array($info['active']) &&
                !empty($info['active'])
            ) ||
            $info['dropIns'] ||
            $info['mustUse']
        );
    }

/**
     * Check if a plugin is installed
     *
     * @param string $pluginSlug plugin slug
     *
     * @return bool
     */
    public static function isPluginInstalled($pluginSlug)
    {
        if (!defined('ABSPATH')) {
            throw new Exception('This function can be used only on wp');
        }

if (!function_exists('get_plugins')) {
            require_once ABSPATH . 'wp-admin/includes/plugin.php';
        }

$plugins = array_keys(get_plugins());
        return in_array($pluginSlug, $plugins);
    }

/**
     * return plugin formatted data from plugin info
     * plugin info =  Array (
     *      [Name] => Hello Dolly
     *      [PluginURI] => http://wordpress.org/extend/plugins/hello-dolly/
     *      [Version] => 1.6
     *      [Description] => This is not just ...
     *      [Author] => Matt Mullenweg
     *      [AuthorURI] => http://ma.tt/
     *      [TextDomain] =>
     *      [DomainPath] =>
     *      [Network] =>
     *      [Title] => Hello Dolly
     *      [AuthorName] => Matt Mullenweg
     * )
     *
     * @param string               $slug   plugin slug
     * @param array<string, mixed> $plugin pluhin info from get_plugins function
     *
     * @return array<string, mixed>
     */
    protected static function getPluginArrayData($slug, $plugin)
    {
        return array(
            'slug'          => $slug,
            'name'          => $plugin['Name'],
            'version'       => $plugin['Version'],
            'pluginURI'     => $plugin['PluginURI'],
            'author'        => $plugin['Author'],
            'authorURI'     => $plugin['AuthorURI'],
            'description'   => $plugin['Description'],
            'title'         => $plugin['Title'],
            'networkActive' => false,
            'active'        => false,
            'mustUse'       => false,
            'dropIns'       => false
        );
    }

/**
     * Retrieves the global WP_Roles instance and instantiates it if necessary.
     * Added for compatibility with WP < 4.3
     *
     * @return WP_Roles WP_Roles global instance if not already instantiated.
     */
    public static function wpRoles()
    {
        if (function_exists('wp_roles')) {
            return wp_roles();
        }
        global $wp_roles;
        if (! isset($wp_roles)) {
            $wp_roles = new WP_Roles();
        }
        return $wp_roles;
    }
}