Dshafik\MySQL::getFieldFlags PHP Method

        protected static function getFieldFlags($what)
        {
            // Order of flags taken from http://lxr.php.net/xref/PHP_5_6/ext/mysql/php_mysql.c#2507
            $flags = [MYSQLI_NOT_NULL_FLAG => "not_null", MYSQLI_PRI_KEY_FLAG => "primary_key", MYSQLI_UNIQUE_KEY_FLAG => "unique_key", MYSQLI_MULTIPLE_KEY_FLAG => "multiple_key", MYSQLI_BLOB_FLAG => "blob", MYSQLI_UNSIGNED_FLAG => "unsigned", MYSQLI_ZEROFILL_FLAG => "zerofill", MYSQLI_BINARY_FLAG => "binary", MYSQLI_ENUM_FLAG => "enum", MYSQLI_SET_FLAG => "set", MYSQLI_AUTO_INCREMENT_FLAG => "auto_increment", MYSQLI_TIMESTAMP_FLAG => "timestamp"];
            $fieldFlags = [];
            foreach ($flags as $flag => $value) {
                if ($what & $flag) {
                    $fieldFlags[] = $value;
                }
            }
            return implode(" ", $fieldFlags);
        }