2

I'm calling drupal_add_html_head() a few times to add meta data for facebook integration. To my surprise, this data is not rendered in the order I add it.

Where is this data actually rendered? I would like to examine the code so I can understand the logic behind it.

I'm aware there's hook_html_head_alter too, but without understand the render order, messing with the order of input data is not likely helpful.

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  • Why you don't use opengraph_meta module? it will search for title, image and description and other required meta tags... – Mohammad Ali Akbari Feb 5 '12 at 17:12
3

template_preprocess_html() gets the tags for the <head>, and adds them to the html.tpl.php template file as $head.

The template file looks like this:

..
<head profile="<?php print $grddl_profile; ?>">
  <?php print $head; ?>
  <title><?php print $head_title; ?></title>
..
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