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I fear that my question could be covered in detail already somewhere, but I did not find something useful. So appologies if this is the case.

I added a field of type "Text" to content type "Article". Now, I want to access the string of this field.

I want to access this in file template.php of the theme I use. To be precise, I want it to access in function "tb_corpal_preprocess_page". (File from themebrain theme "tb_corpal".)

I can see that in another function the "field_image" is accessed like this:

if(isset($vars['content']['field_image']))

If I now want to extract my field_banner, which is a field of type "Text", how do I do that? I guess it should also be stored in $vars, right? If yes, how do I access the string?

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start by downloading the devel module.

A suite of modules containing fun for module developers and themers ...

Devel

Helper functions for Drupal developers and inquisitive admins. This module can print a summary of all database queries for each page request at the bottom of each page. The summary includes how many times each query was executed on a page (shouldn't run same query multiple times), and how long each query took (short is good - use cache for complex queries). Also a dprint_r($array) function is provided, which pretty prints arrays. Useful during development. Similarly, a ddebug_backtrace() is offerred. much more.

This includes a function dpm() which allows you to navigate through complex variables including $vars. dpm($vars) will create a user interface for navigating through it - then you can find the specific location for the field you want.

I included this as an answer instead of the presumed actual location of the field within $vars since this allows you future access to any variables you need. You can use this for example to go through a $form, $content, etc.

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  • Solved my problem. It was so deeply nested, would have never found out without dpm(). thanks!
    – Michael
    Oct 28, 2014 at 0:39
  • I know the feeling, it's a very powerful little tool given how data is managed in Drupal
    – Geoff
    Oct 28, 2014 at 1:12

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