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Using URL arguments in page callback functions

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Module Development for Drupal 7

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1. Introduction to Module Development for Drupal 7 FREE 5m
2. Helpful tools for module development 6m
3. An overview of the Devel module 14m
4. Drupal API documentation FREE 10m
5. Anatomy of a Drupal module 7m
6. The event-driven hook system 16m
7. Tips for writing secure code 8m
8. Overview of the Drupal menu system 19m
9. Using URL arguments in page callback functions 20m
10. Adding contextual menu links and using menu autoloaders 15m
11. Using the Drupal Render API 14m
12. Attachments and caching with the Render API 10m
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Information

This chapter goes through the process of passing a wildcard variable to a function via an argument from the URL. It creates a MENU_LOCAL_TASK tab on the node which inverts the text to display upside down. It uses a page callback function that is included within a separate file in order to save on how much memory is used.

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