Drupal 6.x, Drupal 7.x -- Scratching the surface
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This document summarizes the key differences between Drupal 6.x and Drupal 7.x. It discusses changes to modules, fields, APIs, database handling, testing and theming. The presentation provides a high-level overview of major updates and points to additional resources for more detailed information. It aims to help developers understand the major changes when updating from Drupal 6 to Drupal 7.
![Birdseye
4d3
diff [1] < blogapi
8a8,9
> contextual
> dashboard
9a11,13
> field
> field_ui
> file
12a17
> image
16a22
> overlay
19d24
< ping
21a27
> rdf
23a30,31
> shortcut
> simpletest
28c36
< throttle
---
> toolbar
33d40
< upload
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-10-320.jpg)
![modules
Some modules (and functionality) moved into core [2]
● node/8
● Adminrole
● Poormanscron
● Token
● Vertical Tabs
● ImageAPI, ImageCache,
● RDF
● ...
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-12-320.jpg)
![modules
JavaScript should be compatible with other
libraries than jQuery [3] [4]
((function ($) {
Drupal.behaviors.exampleModule = {
attach: function (context, settings) {
$('.example', context).click(function () {
$(this).next('ul').toggle('show');
});
}
};
}(jQuery));
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-13-320.jpg)
![simpletest
Unit tests – Best tested drupal [5]:
● Module [6]
● Library [7]
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-15-320.jpg)
![Fields
tree -d drupal-7.x/modules/field
drupal-7.x/modules/field
|-- modules
| |-- field_sql_storage
| |-- list
| | `-- tests
| |-- number
| |-- options
| `-- text
|-- tests
`-- theme
● + drupal-7.x/modules/image/image.field.inc
● + drupal-7.x/modules/file/file.field.inc
● - userreference, - nodereference [8]
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-17-320.jpg)
![API
API Changes (some of them) [9]
● Block module now optional
● db_rewrite_sql() replaced with
hook_query_alter()
● New user_cancel API
● jQuery UI (1.7) was added into core
● hook_perm() renamed to hook_permission()
● Module .info files can have configure line
● ...
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-18-320.jpg)
![Theming
API Changes, Theming (some of them) [10]
● Primary and secondary links are now Main and
Secondary menu
● New html.tpl.php files
→ drupal-7.x/modules/system/html.tpl.php
● Content region is now mandatory, main page
content became a block
● $closure becomes $page_bottom, new
$page_top and hidden regions
● ...
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-23-320.jpg)
![Theming
drupal-7.x template variables
● render($page['header']);
● render($page['content']);
● render($page['footer']);
● ...
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-26-320.jpg)
![cat /usr/src
Appendix
[1] diff on ls -A1 drupal-6.x/modules and drupal-7.x/modules
[2] http://www.unleashedmind.com/node/52
[3] http://drupal.org/update/modules/6/7#javascript_compatibility
[4] http://drupal.org/node/756722
[5] http://qa.drupal.org/
[6] http://drupal.org/project/simpletest
[7] http://simpletest.sourceforge.net/
[8] http://drupal.org/project/references
[9] http://drupal.org/update/modules/6/7
[10] http://drupal.org/update/themes/6/7
drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel](https://image.slidesharecdn.com/drupal-6-x-drupal-7-110615102200-phpapp01/85/Drupal-6-x-Drupal-7-x-Scratching-the-surface-27-320.jpg)
Drupal 6.x, Drupal 7.x -- Scratching the surface
- 1. 2011-06-15 Web Treff / DUG KölnBonn „Webseiten und Web-Applikationen mit Drupal 7“ drupal-6.x-–drupal-7.x – „Scratching the surface“ drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 2. whoami Florian Latzel ● @fl3a drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 3. whoami Florian Latzel ● @fl3a → flEa drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 4. whoami Florian Latzel ● @fl3a → flea drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 5. whoami Florian Latzel ● @fl3a → floh drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 6. drupal7.x ? drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 7. cat drupal6.xdrupal7.x ● Birdseye ● Navigation / Menus ● Modules ● Simpletest ● Fields ● API ● DBTNG ● Theming drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 8. Birdseye Size drupal-6.x (decompresed) ● 8.5M drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 9. Birdseye Size drupal-7.x (decompressed) ● 22M drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 10. Birdseye 4d3 diff [1] < blogapi 8a8,9 > contextual > dashboard 9a11,13 > field > field_ui > file 12a17 > image 16a22 > overlay 19d24 < ping 21a27 > rdf 23a30,31 > shortcut > simpletest 28c36 < throttle --- > toolbar 33d40 < upload drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 11. Navigation / Menus Where the f*ck is … ? drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 12. modules Some modules (and functionality) moved into core [2] ● node/8 ● Adminrole ● Poormanscron ● Token ● Vertical Tabs ● ImageAPI, ImageCache, ● RDF ● ... drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 13. modules JavaScript should be compatible with other libraries than jQuery [3] [4] ((function ($) { Drupal.behaviors.exampleModule = { attach: function (context, settings) { $('.example', context).click(function () { $(this).next('ul').toggle('show'); }); } }; }(jQuery)); drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 14. simpletest find drupal-7.x -type d -name tests ./themes/tests ./modules/update/tests ./modules/node/tests ./modules/filter/tests ./modules/openid/tests ./modules/locale/tests ./modules/simpletest/tests ./modules/file/tests ./modules/user/tests ./modules/field/modules/list/tests ./modules/field/tests ./modules/rdf/tests ./modules/block/tests ./modules/search/tests ./modules/image/tests ./modules/trigger/tests ./modules/aggregator/tests ./modules/translation/tests drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 15. simpletest Unit tests – Best tested drupal [5]: ● Module [6] ● Library [7] drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 16. Fields Goodbye CCK – hello fields! drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 17. Fields tree -d drupal-7.x/modules/field drupal-7.x/modules/field |-- modules | |-- field_sql_storage | |-- list | | `-- tests | |-- number | |-- options | `-- text |-- tests `-- theme ● + drupal-7.x/modules/image/image.field.inc ● + drupal-7.x/modules/file/file.field.inc ● - userreference, - nodereference [8] drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 18. API API Changes (some of them) [9] ● Block module now optional ● db_rewrite_sql() replaced with hook_query_alter() ● New user_cancel API ● jQuery UI (1.7) was added into core ● hook_perm() renamed to hook_permission() ● Module .info files can have configure line ● ... drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 19. DBTNG Database Layer: The Next Generation drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 20. DBTNG drupal-6.x: $query = “SELECT linkpath, weight FROM {menu_links} l WHERE l.'menu_name = 'menu-clone-main-menu' ORDER BY weight ASC“; $result = db_query(query); ... drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 21. DBTNG drupal-7.x $query = db_select('menu_links', 'l') ->fields('l', array('link_path', 'weight')) ->condition('l.menu_name', 'menu-clone-main-menu') ->orderBy('l.weight', 'ASC'); $result = $query->execute(); ... drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 22. Theming ● API Changes ● Anatomy of theme ● Naming of template files ● Template variables ● ... drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 23. Theming API Changes, Theming (some of them) [10] ● Primary and secondary links are now Main and Secondary menu ● New html.tpl.php files → drupal-7.x/modules/system/html.tpl.php ● Content region is now mandatory, main page content became a block ● $closure becomes $page_bottom, new $page_top and hidden regions ● ... drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 24. Theming Anatomy of a theme themes/ `-- mytheme |-- css | `-- style.css |-- img | |-- slider_links.png | `-- slider_rechts.png |-- screenshot.png |-- scripts | `-- core.js |-- template.php |-- templates | |-- html.tpl.php | |-- node--wassergebiet.tpl.php | |-- page.tpl.php | |-- views-slideshow-controls-text-next.tpl.php | |-- views-slideshow-controls-text-pause.tpl.php | |-- views-slideshow-controls-text-previous.tpl.php | `-- views-slideshow.tpl.php `-- mytheme.info drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 25. Theming drupal-6.x template variables ● print $header ● print $content; ● print $footer; ● ... drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 26. Theming drupal-7.x template variables ● render($page['header']); ● render($page['content']); ● render($page['footer']); ● ... drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel
- 27. cat /usr/src Appendix [1] diff on ls -A1 drupal-6.x/modules and drupal-7.x/modules [2] http://www.unleashedmind.com/node/52 [3] http://drupal.org/update/modules/6/7#javascript_compatibility [4] http://drupal.org/node/756722 [5] http://qa.drupal.org/ [6] http://drupal.org/project/simpletest [7] http://simpletest.sourceforge.net/ [8] http://drupal.org/project/references [9] http://drupal.org/update/modules/6/7 [10] http://drupal.org/update/themes/6/7 drupal6.xdrupal7.x – „Scratching the surface“|Web Treff Köln|20110615|Florian Latzel