PHP文件系统基本操作类

bsp;      if (is_dir($src)) { // 处理目录
                if (!is_readable($src)) return $this->error_occur(0x0002, $src);
                if ($dst[strlen($dst)-1]!=DIRECTORY_SEPARATOR) $dst .= DIRECTORY_SEPARATOR;
                if (TRUE===$sub&&$src==$this->exist_dir) return TRUE;
                if (TRUE!==$sub) $this->exist_dir = "";
                if (!$this->make_dir($dst)) return FALSE;
                if (FALSE===$i=$this->list_dir($src)) return FALSE;
                for ($j=0,$k=count($i);$j<$k;$j++) if (!$this->move($i[$j]["location"], $dst.$i[$j]["name"],TRUE)) return FALSE;
                unset($i, $j, $k);
                if (FALSE===strpos($this->exist_dir,$src))
                    if (!@rmdir($src)) return $this->error_occur(0x0004, $src); // 对非目标目录的上层目录，删除
                return TRUE;
            } else {
                if (!is_readable($src)) return $this->error_occur(0x0006, $src);
                if ($this->verify_file($src,$dst)) return TRUE;
                if (!copy($src,$dst)) return $this->error_occur(0x0007, $dst);
                if (!$this->verify_file($src,$dst)) {
                    @unlink($dst);
                    return $this->error_occur(0x0007, $dst);
                }
                if (!@unli