By Jennifer Hodgdon
If you’re an online programmer new to Drupal, this e-book indicates you which ones programming ideas you could use—and that you should still avoid—when development customized internet functions with this content material administration framework. Drupal has its personal set of programming rules that require a special method, and plenty of programmers make blunders while counting on talents they’ve used for different tasks. the information during this e-book assist you in the course of the transition by means of demonstrating which programming practices comply with the “Drupal way,” and which don’t.
If you’re conversant in personal home page, you’ll fast the best way to make the most of the robust Drupal API.
* Get an entire evaluate of Drupal, together with Drupal middle and add-on modules and topics
* study Drupal’s easy programming ideas, equivalent to the facility to customise habit and output with hooks
* become aware of universal Drupal programming mistakes—and why hacking is one in every of them
* discover particular components the place you could positioned your programming abilities to paintings
* study programming assistance and instruments that will help you excellent and debug your functions
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Additional info for A Programmer's Guide to Drupal
16 | Chapter 2: Drupal Programming Principles Internationalizing User Interface Text The basic tool for internationalizing user interface text in the modules and themes you create is Drupal’s t() function. Any text that will be shown to an administrative user or a site visitor should be enclosed in t(); before the text is printed, Drupal will translate it to the appropriate language. For instance: // Bad: $button_text = 'Save'; // Good: $button_text = t('Save'); For translation to work properly, the first argument of t() must always be a literal string —it cannot contain variables.
Any text that will be shown to an administrative user or a site visitor should be enclosed in t(); before the text is printed, Drupal will translate it to the appropriate language. For instance: // Bad: $button_text = 'Save'; // Good: $button_text = t('Save'); For translation to work properly, the first argument of t() must always be a literal string —it cannot contain variables. ) If you need to substitute variable information into your string, t() has a mechanism: // Bad: $message_string = t("Hello $user_name"); // Good: $message_string = t('Hello @user_name', array('@user_name' => $user_name)); As you can see, it doesn’t really take much effort to make basic module-defined or themedefined user interface text translatable.
Org/enterprise Drupal 8 The Database and Schema APIs are not expected to change significantly in Drupal 8, except that the PHP classes that the Database API uses are namespaced in Drupal 8, are found in different files, and may have slightly different names in the Drupal source code. This should not significantly affect programming with databases. install file. Drupal will then take care of creating the tables when your module is enabled, as well as deleting them when your module is uninstalled.
A Programmer's Guide to Drupal by Jennifer Hodgdon