CI框架系统常量文件constants.php的配置解读

3. /*

4. |--------------------------------------------------------------------------
5. | File and Directory Modes
6. |--------------------------------------------------------------------------
7. */
8. define('FILE_READ_MODE', 0644);
9. define('FILE_WRITE_MODE', 0666);
10. define('DIR_READ_MODE', 0755);
11. define('DIR_WRITE_MODE', 0777);

12. /*

13. |-------------------------------------
14. | File Stream Modes 文件流模式
15. |-------------------------------------

16. | These modes are used when working with fopen()/popen()

17. */

18. define('FOPEN_READ', 'rb');
19. define('FOPEN_READ_WRITE', 'r+b');
20. define('FOPEN_WRITE_CREATE_DESTRUCTIVE', 'wb'); // truncates existing file data, use with care
21. define('FOPEN_READ_WRITE_CREATE_DESTRUCTIVE', 'w+b'); // truncates existing file data, use with care
22. define('FOPEN_WRITE_CREATE', 'ab');
23. define('FOPEN_READ_WRITE_CREATE', 'a+b');
24. define('FOPEN_WRITE_CREATE_STRICT', 'xb');
25. define('FOPEN_READ_WRITE_CREATE_STRICT', 'x+b');

26. /* End of file constants.php */

27. /* Location: ./application/config/constants.php */
28. ?>

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