function add_to_head_preprocess_page in Add To Head 6

Implementation of hook_preprocess_page(). This is used to inject any code onto the appropriate pages.

File

./add_to_head.module, line 87

Add To Head allows abritrary insertion of code into the head of the page based on path selection.

Code

function add_to_head_preprocess_page(&$vars) {
  $settings = variable_get('add_to_head_profiles', array());
  $output = '';
  foreach ($settings as $profile) {
    if (empty($profile['paths'])) {
      $page_match = TRUE;
    }
    else {

      // NOTE: This code is "borrowed" from block_list().
      $path = drupal_get_path_alias($_GET['q']);

      // Compare with the internal and path alias (if any).
      $page_match = drupal_match_path($path, $profile['paths']);
      if ($path != $_GET['q']) {
        $page_match = $page_match || drupal_match_path($_GET['q'], $profile['paths']);
      }

      // When $profile['path_visibility'] has a value of 0, the block is displayed on
      // all pages except those listed in $block->pages. When set to 1, it
      // is displayed only on those pages listed in $block->pages.
      $page_match = !($profile['path_visibility'] xor $page_match);
    }
    if ($page_match) {
      $output .= "\n\n" . $profile['code'];
    }
  }
  if (!empty($output)) {
    switch ($profile['scope']) {
      case 'head':
        drupal_set_html_head($output);
        $vars['head'] = drupal_get_html_head();
        break;
      case 'styles':
      case 'scripts':
        $vars[$profile['scope']] .= $output;
        break;
    }
  }
}