Theme and render

display some content using drupal_render() and theme (this is the official way to use theme function)

  1. /**
  2.  * Implements hook_menu().
  3.  */
  4. function mysnippet_menu() {
  5. $items['mypage'] = array(
  6. 'title' => 'My title',
  7. 'page callback' => 'mysnippet_mypage',
  8. 'access callback' => TRUE,
  9. );
  10. return $items;
  11. }
  12.  
  13. /**
  14.  * Menu Callback
  15.  */
  16. function mysnippet_mypage() {
  17. $title = 'Hello';
  18. $content = 'Here is my content';
  19. $render['myitem'] = array(
  20. '#theme' => 'mysnippet_page',
  21. '#title' => $title,
  22. '#content' => $content,
  23. );
  24. return drupal_render($render);
  25. }
  26.  
  27. /**
  28.  * Implements hook_theme().
  29.  */
  30. function mysnippet_theme() {
  31. return array(
  32. 'mysnippet_page' => array(
  33. 'variables' => array('title' => NULL, 'content' => NULL),
  34. ),
  35. );
  36. }
  37.  
  38. /**
  39.  * Finally output html
  40.  */
  41. function theme_mysnippet_page($vars) {
  42. $output = '<div class="my-item-wrapper">';
  43. $output .= '<span class="title">'.$vars['title'].'</span>';
  44. $output .= $vars['content'];
  45. $output .= '</div>';
  46. }
  47. <drupal7>

override a default .tpl.php file in a custom module

to basically use a template file in a custom module use the hook_theme_registry_alter(&$theme_registry) like this

Testing date fields: strtotime tips

Unit testing the creation of a node with a date field could fail because of wrong interpretation of the date by strtotime function

Enable block

There is no available API to programmatically set a block. Like Drupal core does, we have to use db directly.

simpletest: count checkboxes checked

Sometimes it is useful to know exactly the amount of options enabled with a xpath expression

Add a conditional stylesheet for IE

the options of drupal_add_css allow the use of conditional stylesheets

debug drush (and php-cli)

Drush uses the cli version of php so traditional debugging tools and functions don't work.

Create an image style

to create in code, programmatically an image style (previously called image cache preset)

Current path alias

to get the current page alias path use

Unset core stylesheet in a custom theme

by using use hook_css_alter() in template.php