function search_files_get_helpers in Search Files 7.2

Same name and namespace in other branches

1. 5 search_files.module \search_files_get_helpers()
2. 6.2 search_files.module \search_files_get_helpers()

Returns an array of helper applications.

Return value

Array whose keys are extensions and values are the paths to helper apps.

3 calls to search_files_get_helpers()

search_files_attachments_get_file_contents in ./search_files_attachments.module

Get the file contents using the helpers.

search_files_directories_update_index in ./search_files_directories.module

Implements hook_update_index().

search_files_get_content in ./search_files.module

return the file text using the appropriate helper

File

./search_files.module, line 221

Organizes and provides helper functions for extracting text from files.

Code

function search_files_get_helpers() {

  // Get all the registered helper applications and put them in static variable to elimiate unnecessary db queries
  // in search_files_nodeapi(). The query log feature of the dev module pointed out that this query was done
  // many times instead of once. Making $helpers a static variable reduced the number of queries by 25%.
  static $helpers;
  if (!isset($helpers)) {
    $helpers = array();
    $result = db_query("SELECT * FROM {search_files_helpers}")
      ->fetchAll();
    foreach ($result as $helper) {
      $helpers[$helper->extension] = $helper->helper_path;
    }
  }
  return $helpers;
}