_wp_upload_dir

The timeline below displays how wordpress function _wp_upload_dir has changed across different WordPress versions. If a version is not listed, refer to the next available version below.

WordPress Version: 6.4

/**
 * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
 *
 * @since 4.5.0
 * @access private
 *
 * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
 * @return array See wp_upload_dir()
 */
function _wp_upload_dir($time = null)
{
    $siteurl = get_option('siteurl');
    $upload_path = trim(get_option('upload_path'));
    if (empty($upload_path) || 'wp-content/uploads' === $upload_path) {
        $dir = WP_CONTENT_DIR . '/uploads';
    } elseif (!str_starts_with($upload_path, ABSPATH)) {
        // $dir is absolute, $upload_path is (maybe) relative to ABSPATH.
        $dir = path_join(ABSPATH, $upload_path);
    } else {
        $dir = $upload_path;
    }
    $url = get_option('upload_url_path');
    if (!$url) {
        if (empty($upload_path) || 'wp-content/uploads' === $upload_path || $upload_path === $dir) {
            $url = WP_CONTENT_URL . '/uploads';
        } else {
            $url = trailingslashit($siteurl) . $upload_path;
        }
    }
    /*
     * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
     * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
     */
    if (defined('UPLOADS') && !(is_multisite() && get_site_option('ms_files_rewriting'))) {
        $dir = ABSPATH . UPLOADS;
        $url = trailingslashit($siteurl) . UPLOADS;
    }
    // If multisite (and if not the main site in a post-MU network).
    if (is_multisite() && !(is_main_network() && is_main_site() && defined('MULTISITE'))) {
        if (!get_site_option('ms_files_rewriting')) {
            /*
             * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
             * straightforward: Append sites/%d if we're not on the main site (for post-MU
             * networks). (The extra directory prevents a four-digit ID from conflicting with
             * a year-based directory for the main site. But if a MU-era network has disabled
             * ms-files rewriting manually, they don't need the extra directory, as they never
             * had wp-content/uploads for the main site.)
             */
            if (defined('MULTISITE')) {
                $ms_dir = '/sites/' . get_current_blog_id();
            } else {
                $ms_dir = '/' . get_current_blog_id();
            }
            $dir .= $ms_dir;
            $url .= $ms_dir;
        } elseif (defined('UPLOADS') && !ms_is_switched()) {
            /*
             * Handle the old-form ms-files.php rewriting if the network still has that enabled.
             * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
             * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
             *    there, and
             * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
             *    the original blog ID.
             *
             * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
             * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
             * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
             * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
             */
            if (defined('BLOGUPLOADDIR')) {
                $dir = untrailingslashit(BLOGUPLOADDIR);
            } else {
                $dir = ABSPATH . UPLOADS;
            }
            $url = trailingslashit($siteurl) . 'files';
        }
    }
    $basedir = $dir;
    $baseurl = $url;
    $subdir = '';
    if (get_option('uploads_use_yearmonth_folders')) {
        // Generate the yearly and monthly directories.
        if (!$time) {
            $time = current_time('mysql');
        }
        $y = substr($time, 0, 4);
        $m = substr($time, 5, 2);
        $subdir = "/{$y}/{$m}";
    }
    $dir .= $subdir;
    $url .= $subdir;
    return array('path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $basedir, 'baseurl' => $baseurl, 'error' => false);
}

WordPress Version: 6.3

/**
 * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
 *
 * @since 4.5.0
 * @access private
 *
 * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
 * @return array See wp_upload_dir()
 */
function _wp_upload_dir($time = null)
{
    $siteurl = get_option('siteurl');
    $upload_path = trim(get_option('upload_path'));
    if (empty($upload_path) || 'wp-content/uploads' === $upload_path) {
        $dir = WP_CONTENT_DIR . '/uploads';
    } elseif (!str_starts_with($upload_path, ABSPATH)) {
        // $dir is absolute, $upload_path is (maybe) relative to ABSPATH.
        $dir = path_join(ABSPATH, $upload_path);
    } else {
        $dir = $upload_path;
    }
    $url = get_option('upload_url_path');
    if (!$url) {
        if (empty($upload_path) || 'wp-content/uploads' === $upload_path || $upload_path == $dir) {
            $url = WP_CONTENT_URL . '/uploads';
        } else {
            $url = trailingslashit($siteurl) . $upload_path;
        }
    }
    /*
     * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
     * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
     */
    if (defined('UPLOADS') && !(is_multisite() && get_site_option('ms_files_rewriting'))) {
        $dir = ABSPATH . UPLOADS;
        $url = trailingslashit($siteurl) . UPLOADS;
    }
    // If multisite (and if not the main site in a post-MU network).
    if (is_multisite() && !(is_main_network() && is_main_site() && defined('MULTISITE'))) {
        if (!get_site_option('ms_files_rewriting')) {
            /*
             * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
             * straightforward: Append sites/%d if we're not on the main site (for post-MU
             * networks). (The extra directory prevents a four-digit ID from conflicting with
             * a year-based directory for the main site. But if a MU-era network has disabled
             * ms-files rewriting manually, they don't need the extra directory, as they never
             * had wp-content/uploads for the main site.)
             */
            if (defined('MULTISITE')) {
                $ms_dir = '/sites/' . get_current_blog_id();
            } else {
                $ms_dir = '/' . get_current_blog_id();
            }
            $dir .= $ms_dir;
            $url .= $ms_dir;
        } elseif (defined('UPLOADS') && !ms_is_switched()) {
            /*
             * Handle the old-form ms-files.php rewriting if the network still has that enabled.
             * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
             * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
             *    there, and
             * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
             *    the original blog ID.
             *
             * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
             * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
             * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
             * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
             */
            if (defined('BLOGUPLOADDIR')) {
                $dir = untrailingslashit(BLOGUPLOADDIR);
            } else {
                $dir = ABSPATH . UPLOADS;
            }
            $url = trailingslashit($siteurl) . 'files';
        }
    }
    $basedir = $dir;
    $baseurl = $url;
    $subdir = '';
    if (get_option('uploads_use_yearmonth_folders')) {
        // Generate the yearly and monthly directories.
        if (!$time) {
            $time = current_time('mysql');
        }
        $y = substr($time, 0, 4);
        $m = substr($time, 5, 2);
        $subdir = "/{$y}/{$m}";
    }
    $dir .= $subdir;
    $url .= $subdir;
    return array('path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $basedir, 'baseurl' => $baseurl, 'error' => false);
}

WordPress Version: 5.5

/**
 * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
 *
 * @since 4.5.0
 * @access private
 *
 * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
 * @return array See wp_upload_dir()
 */
function _wp_upload_dir($time = null)
{
    $siteurl = get_option('siteurl');
    $upload_path = trim(get_option('upload_path'));
    if (empty($upload_path) || 'wp-content/uploads' === $upload_path) {
        $dir = WP_CONTENT_DIR . '/uploads';
    } elseif (0 !== strpos($upload_path, ABSPATH)) {
        // $dir is absolute, $upload_path is (maybe) relative to ABSPATH.
        $dir = path_join(ABSPATH, $upload_path);
    } else {
        $dir = $upload_path;
    }
    $url = get_option('upload_url_path');
    if (!$url) {
        if (empty($upload_path) || 'wp-content/uploads' === $upload_path || $upload_path == $dir) {
            $url = WP_CONTENT_URL . '/uploads';
        } else {
            $url = trailingslashit($siteurl) . $upload_path;
        }
    }
    /*
     * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
     * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
     */
    if (defined('UPLOADS') && !(is_multisite() && get_site_option('ms_files_rewriting'))) {
        $dir = ABSPATH . UPLOADS;
        $url = trailingslashit($siteurl) . UPLOADS;
    }
    // If multisite (and if not the main site in a post-MU network).
    if (is_multisite() && !(is_main_network() && is_main_site() && defined('MULTISITE'))) {
        if (!get_site_option('ms_files_rewriting')) {
            /*
             * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
             * straightforward: Append sites/%d if we're not on the main site (for post-MU
             * networks). (The extra directory prevents a four-digit ID from conflicting with
             * a year-based directory for the main site. But if a MU-era network has disabled
             * ms-files rewriting manually, they don't need the extra directory, as they never
             * had wp-content/uploads for the main site.)
             */
            if (defined('MULTISITE')) {
                $ms_dir = '/sites/' . get_current_blog_id();
            } else {
                $ms_dir = '/' . get_current_blog_id();
            }
            $dir .= $ms_dir;
            $url .= $ms_dir;
        } elseif (defined('UPLOADS') && !ms_is_switched()) {
            /*
             * Handle the old-form ms-files.php rewriting if the network still has that enabled.
             * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
             * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
             *    there, and
             * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
             *    the original blog ID.
             *
             * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
             * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
             * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
             * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
             */
            if (defined('BLOGUPLOADDIR')) {
                $dir = untrailingslashit(BLOGUPLOADDIR);
            } else {
                $dir = ABSPATH . UPLOADS;
            }
            $url = trailingslashit($siteurl) . 'files';
        }
    }
    $basedir = $dir;
    $baseurl = $url;
    $subdir = '';
    if (get_option('uploads_use_yearmonth_folders')) {
        // Generate the yearly and monthly directories.
        if (!$time) {
            $time = current_time('mysql');
        }
        $y = substr($time, 0, 4);
        $m = substr($time, 5, 2);
        $subdir = "/{$y}/{$m}";
    }
    $dir .= $subdir;
    $url .= $subdir;
    return array('path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $basedir, 'baseurl' => $baseurl, 'error' => false);
}

WordPress Version: 5.4

/**
 * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
 *
 * @since 4.5.0
 * @access private
 *
 * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
 * @return array See wp_upload_dir()
 */
function _wp_upload_dir($time = null)
{
    $siteurl = get_option('siteurl');
    $upload_path = trim(get_option('upload_path'));
    if (empty($upload_path) || 'wp-content/uploads' == $upload_path) {
        $dir = WP_CONTENT_DIR . '/uploads';
    } elseif (0 !== strpos($upload_path, ABSPATH)) {
        // $dir is absolute, $upload_path is (maybe) relative to ABSPATH.
        $dir = path_join(ABSPATH, $upload_path);
    } else {
        $dir = $upload_path;
    }
    $url = get_option('upload_url_path');
    if (!$url) {
        if (empty($upload_path) || 'wp-content/uploads' == $upload_path || $upload_path == $dir) {
            $url = WP_CONTENT_URL . '/uploads';
        } else {
            $url = trailingslashit($siteurl) . $upload_path;
        }
    }
    /*
     * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
     * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
     */
    if (defined('UPLOADS') && !(is_multisite() && get_site_option('ms_files_rewriting'))) {
        $dir = ABSPATH . UPLOADS;
        $url = trailingslashit($siteurl) . UPLOADS;
    }
    // If multisite (and if not the main site in a post-MU network).
    if (is_multisite() && !(is_main_network() && is_main_site() && defined('MULTISITE'))) {
        if (!get_site_option('ms_files_rewriting')) {
            /*
             * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
             * straightforward: Append sites/%d if we're not on the main site (for post-MU
             * networks). (The extra directory prevents a four-digit ID from conflicting with
             * a year-based directory for the main site. But if a MU-era network has disabled
             * ms-files rewriting manually, they don't need the extra directory, as they never
             * had wp-content/uploads for the main site.)
             */
            if (defined('MULTISITE')) {
                $ms_dir = '/sites/' . get_current_blog_id();
            } else {
                $ms_dir = '/' . get_current_blog_id();
            }
            $dir .= $ms_dir;
            $url .= $ms_dir;
        } elseif (defined('UPLOADS') && !ms_is_switched()) {
            /*
             * Handle the old-form ms-files.php rewriting if the network still has that enabled.
             * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
             * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
             *    there, and
             * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
             *    the original blog ID.
             *
             * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
             * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
             * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
             * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
             */
            if (defined('BLOGUPLOADDIR')) {
                $dir = untrailingslashit(BLOGUPLOADDIR);
            } else {
                $dir = ABSPATH . UPLOADS;
            }
            $url = trailingslashit($siteurl) . 'files';
        }
    }
    $basedir = $dir;
    $baseurl = $url;
    $subdir = '';
    if (get_option('uploads_use_yearmonth_folders')) {
        // Generate the yearly and monthly directories.
        if (!$time) {
            $time = current_time('mysql');
        }
        $y = substr($time, 0, 4);
        $m = substr($time, 5, 2);
        $subdir = "/{$y}/{$m}";
    }
    $dir .= $subdir;
    $url .= $subdir;
    return array('path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $basedir, 'baseurl' => $baseurl, 'error' => false);
}

WordPress Version: 5.3

/**
 * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
 *
 * @since 4.5.0
 * @access private
 *
 * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
 * @return array See wp_upload_dir()
 */
function _wp_upload_dir($time = null)
{
    $siteurl = get_option('siteurl');
    $upload_path = trim(get_option('upload_path'));
    if (empty($upload_path) || 'wp-content/uploads' == $upload_path) {
        $dir = WP_CONTENT_DIR . '/uploads';
    } elseif (0 !== strpos($upload_path, ABSPATH)) {
        // $dir is absolute, $upload_path is (maybe) relative to ABSPATH
        $dir = path_join(ABSPATH, $upload_path);
    } else {
        $dir = $upload_path;
    }
    $url = get_option('upload_url_path');
    if (!$url) {
        if (empty($upload_path) || 'wp-content/uploads' == $upload_path || $upload_path == $dir) {
            $url = WP_CONTENT_URL . '/uploads';
        } else {
            $url = trailingslashit($siteurl) . $upload_path;
        }
    }
    /*
     * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
     * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
     */
    if (defined('UPLOADS') && !(is_multisite() && get_site_option('ms_files_rewriting'))) {
        $dir = ABSPATH . UPLOADS;
        $url = trailingslashit($siteurl) . UPLOADS;
    }
    // If multisite (and if not the main site in a post-MU network)
    if (is_multisite() && !(is_main_network() && is_main_site() && defined('MULTISITE'))) {
        if (!get_site_option('ms_files_rewriting')) {
            /*
             * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
             * straightforward: Append sites/%d if we're not on the main site (for post-MU
             * networks). (The extra directory prevents a four-digit ID from conflicting with
             * a year-based directory for the main site. But if a MU-era network has disabled
             * ms-files rewriting manually, they don't need the extra directory, as they never
             * had wp-content/uploads for the main site.)
             */
            if (defined('MULTISITE')) {
                $ms_dir = '/sites/' . get_current_blog_id();
            } else {
                $ms_dir = '/' . get_current_blog_id();
            }
            $dir .= $ms_dir;
            $url .= $ms_dir;
        } elseif (defined('UPLOADS') && !ms_is_switched()) {
            /*
             * Handle the old-form ms-files.php rewriting if the network still has that enabled.
             * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
             * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
             *    there, and
             * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
             *    the original blog ID.
             *
             * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
             * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
             * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
             * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
             */
            if (defined('BLOGUPLOADDIR')) {
                $dir = untrailingslashit(BLOGUPLOADDIR);
            } else {
                $dir = ABSPATH . UPLOADS;
            }
            $url = trailingslashit($siteurl) . 'files';
        }
    }
    $basedir = $dir;
    $baseurl = $url;
    $subdir = '';
    if (get_option('uploads_use_yearmonth_folders')) {
        // Generate the yearly and monthly dirs
        if (!$time) {
            $time = current_time('mysql');
        }
        $y = substr($time, 0, 4);
        $m = substr($time, 5, 2);
        $subdir = "/{$y}/{$m}";
    }
    $dir .= $subdir;
    $url .= $subdir;
    return array('path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $basedir, 'baseurl' => $baseurl, 'error' => false);
}

WordPress Version: 4.8

/**
 * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
 *
 * @since 4.5.0
 * @access private
 *
 * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
 * @return array See wp_upload_dir()
 */
function _wp_upload_dir($time = null)
{
    $siteurl = get_option('siteurl');
    $upload_path = trim(get_option('upload_path'));
    if (empty($upload_path) || 'wp-content/uploads' == $upload_path) {
        $dir = WP_CONTENT_DIR . '/uploads';
    } elseif (0 !== strpos($upload_path, ABSPATH)) {
        // $dir is absolute, $upload_path is (maybe) relative to ABSPATH
        $dir = path_join(ABSPATH, $upload_path);
    } else {
        $dir = $upload_path;
    }
    if (!$url = get_option('upload_url_path')) {
        if (empty($upload_path) || 'wp-content/uploads' == $upload_path || $upload_path == $dir) {
            $url = WP_CONTENT_URL . '/uploads';
        } else {
            $url = trailingslashit($siteurl) . $upload_path;
        }
    }
    /*
     * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
     * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
     */
    if (defined('UPLOADS') && !(is_multisite() && get_site_option('ms_files_rewriting'))) {
        $dir = ABSPATH . UPLOADS;
        $url = trailingslashit($siteurl) . UPLOADS;
    }
    // If multisite (and if not the main site in a post-MU network)
    if (is_multisite() && !(is_main_network() && is_main_site() && defined('MULTISITE'))) {
        if (!get_site_option('ms_files_rewriting')) {
            /*
             * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
             * straightforward: Append sites/%d if we're not on the main site (for post-MU
             * networks). (The extra directory prevents a four-digit ID from conflicting with
             * a year-based directory for the main site. But if a MU-era network has disabled
             * ms-files rewriting manually, they don't need the extra directory, as they never
             * had wp-content/uploads for the main site.)
             */
            if (defined('MULTISITE')) {
                $ms_dir = '/sites/' . get_current_blog_id();
            } else {
                $ms_dir = '/' . get_current_blog_id();
            }
            $dir .= $ms_dir;
            $url .= $ms_dir;
        } elseif (defined('UPLOADS') && !ms_is_switched()) {
            /*
             * Handle the old-form ms-files.php rewriting if the network still has that enabled.
             * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
             * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
             *    there, and
             * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
             *    the original blog ID.
             *
             * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
             * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
             * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
             * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
             */
            if (defined('BLOGUPLOADDIR')) {
                $dir = untrailingslashit(BLOGUPLOADDIR);
            } else {
                $dir = ABSPATH . UPLOADS;
            }
            $url = trailingslashit($siteurl) . 'files';
        }
    }
    $basedir = $dir;
    $baseurl = $url;
    $subdir = '';
    if (get_option('uploads_use_yearmonth_folders')) {
        // Generate the yearly and monthly dirs
        if (!$time) {
            $time = current_time('mysql');
        }
        $y = substr($time, 0, 4);
        $m = substr($time, 5, 2);
        $subdir = "/{$y}/{$m}";
    }
    $dir .= $subdir;
    $url .= $subdir;
    return array('path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $basedir, 'baseurl' => $baseurl, 'error' => false);
}

WordPress Version: 4.5

/**
 * A non-filtered, non-cached version of wp_upload_dir() that doesn't check the path.
 *
 * @access private
 *
 * @param string $time Optional. Time formatted in 'yyyy/mm'. Default null.
 * @return array See wp_upload_dir()
 */
function _wp_upload_dir($time = null)
{
    $siteurl = get_option('siteurl');
    $upload_path = trim(get_option('upload_path'));
    if (empty($upload_path) || 'wp-content/uploads' == $upload_path) {
        $dir = WP_CONTENT_DIR . '/uploads';
    } elseif (0 !== strpos($upload_path, ABSPATH)) {
        // $dir is absolute, $upload_path is (maybe) relative to ABSPATH
        $dir = path_join(ABSPATH, $upload_path);
    } else {
        $dir = $upload_path;
    }
    if (!$url = get_option('upload_url_path')) {
        if (empty($upload_path) || 'wp-content/uploads' == $upload_path || $upload_path == $dir) {
            $url = WP_CONTENT_URL . '/uploads';
        } else {
            $url = trailingslashit($siteurl) . $upload_path;
        }
    }
    /*
     * Honor the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
     * We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
     */
    if (defined('UPLOADS') && !(is_multisite() && get_site_option('ms_files_rewriting'))) {
        $dir = ABSPATH . UPLOADS;
        $url = trailingslashit($siteurl) . UPLOADS;
    }
    // If multisite (and if not the main site in a post-MU network)
    if (is_multisite() && !(is_main_network() && is_main_site() && defined('MULTISITE'))) {
        if (!get_site_option('ms_files_rewriting')) {
            /*
             * If ms-files rewriting is disabled (networks created post-3.5), it is fairly
             * straightforward: Append sites/%d if we're not on the main site (for post-MU
             * networks). (The extra directory prevents a four-digit ID from conflicting with
             * a year-based directory for the main site. But if a MU-era network has disabled
             * ms-files rewriting manually, they don't need the extra directory, as they never
             * had wp-content/uploads for the main site.)
             */
            if (defined('MULTISITE')) {
                $ms_dir = '/sites/' . get_current_blog_id();
            } else {
                $ms_dir = '/' . get_current_blog_id();
            }
            $dir .= $ms_dir;
            $url .= $ms_dir;
        } elseif (defined('UPLOADS') && !ms_is_switched()) {
            /*
             * Handle the old-form ms-files.php rewriting if the network still has that enabled.
             * When ms-files rewriting is enabled, then we only listen to UPLOADS when:
             * 1) We are not on the main site in a post-MU network, as wp-content/uploads is used
             *    there, and
             * 2) We are not switched, as ms_upload_constants() hardcodes these constants to reflect
             *    the original blog ID.
             *
             * Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
             * (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
             * as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
             * rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
             */
            if (defined('BLOGUPLOADDIR')) {
                $dir = untrailingslashit(BLOGUPLOADDIR);
            } else {
                $dir = ABSPATH . UPLOADS;
            }
            $url = trailingslashit($siteurl) . 'files';
        }
    }
    $basedir = $dir;
    $baseurl = $url;
    $subdir = '';
    if (get_option('uploads_use_yearmonth_folders')) {
        // Generate the yearly and monthly dirs
        if (!$time) {
            $time = current_time('mysql');
        }
        $y = substr($time, 0, 4);
        $m = substr($time, 5, 2);
        $subdir = "/{$y}/{$m}";
    }
    $dir .= $subdir;
    $url .= $subdir;
    return array('path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $basedir, 'baseurl' => $baseurl, 'error' => false);
}