function get_smt2wp_diagnose_info()
{
    $wp_base_dir = get_wp_base_dir();
    $folders = array('server root' => $_SERVER['DOCUMENT_ROOT'], 'wp root' => $wp_base_dir, 'wp content' => $wp_base_dir . '/wp-content', 'wp uploads' => $wp_base_dir . '/wp-content/uploads', 'smt root' => $wp_base_dir . '/wp-content/plugins/' . basename(dirname(__FILE__)));
    $folders_check_result = array();
    foreach ($folders as $key => $folder) {
        $folder = smt2wp_sanitize_dir_path($folder);
        // var_dump($folder);
        $folders_check_result[$key]['path'] = $folder;
        $folders_check_result[$key]['permissions'] = base_convert(fileperms($folder), 10, 8);
        // $folders_check_result[$key]['owner'] = posix_getpwuid(fileowner($folder));
        $folders_check_result[$key]['owner_id'] = fileowner($folder);
        // $folders_check_result[$key]['group'] = posix_getgrgid(filegroup($folder));
        $folders_check_result[$key]['group_id'] = filegroup($folder);
        // $folders_check_result[$key]['other_stats'] = stat($folder);
        $folders_check_result[$key]['is_writable'] = is_writable($folder);
        $test_folder = smt2wp_sanitize_dir_path($folder . '/test-348214');
        $test_file = $test_folder . '/test-file-6542.txt';
        $mkdir = mkdir($test_folder);
        $put_contents = file_put_contents($test_file, 'this is just a test. you can delete this file');
        $delete_file = unlink($test_file);
        $rm_dir = rmdir($test_folder);
        $folders_check_result[$key]['can_make_dir'] = $mkdir;
        $folders_check_result[$key]['can_write_file'] = $put_contents === false ? false : true;
        $folders_check_result[$key]['can_delete_file'] = $delete_file;
        $folders_check_result[$key]['can_rm_dir'] = $rm_dir;
    }
    $all_ini_settings = ini_get_all();
    $separator = '<<+>>';
    $res = $separator . json_encode($folders_check_result);
    $res .= $separator . json_encode($all_ini_settings);
    // var_dump($all_ini_settings);
    return $res;
}
include_once 'shared-functions.php';
// --------------------------------------------------------------------------------
/**
 * This is the directory where you put the smt2 CMS.
 * You can use relative as well as full URLs like /smt2/ or http://myserver.name/smt2/
 */
// prepare ABS_PATH
$abs_path = smt2wp_substract_strings(get_smt2wp_base_path_slash(), get_smt2wp_server_root());
$abs_path = '/' . $abs_path . '/';
$abs_path = smt2wp_sanitize_dir_path($abs_path);
define('ABS_PATH', $abs_path);
// always put an ending slash (/)
/**
* Load th WP config file and extract our needed constants from there.
*/
$wp_config_file = smt2wp_sanitize_dir_path(get_wp_base_dir() . '/wp-config.php');
// read the wp_config and extract and eval() the DB constants:
$php_code = '';
$handle = fopen($wp_config_file, "r");
if ($handle) {
    while (($line = fgets($handle)) !== false) {
        if (strpos(trim($line), 'define') === 0 && strpos($line, 'DB_') !== false) {
            // THEN:
            $php_code .= $line;
        }
    }
    if (!feof($handle)) {
        die("Error: unexpected fgets() fail\n");
    }
    fclose($handle);
}