function fb_url_outbound_alter in Drupal for Facebook 7.4

Same name and namespace in other branches

1. 6.3 fb_url_rewrite.inc \fb_url_outbound_alter()
2. 6.2 fb_url_rewrite.inc \fb_url_outbound_alter()
3. 7.3 fb_url_rewrite.inc \fb_url_outbound_alter()

Implements hook_url_outbound_alter().

Use $options['fb_url_alter'] = FALSE to suppress any alteration.

1 call to fb_url_outbound_alter()

fb_process in ./fb.process.inc

This function uses regular expressions to convert links on canvas pages to URLs that begin http://apps.facebook.com/...

1 string reference to 'fb_url_outbound_alter'

fb_process in ./fb.process.inc

This function uses regular expressions to convert links on canvas pages to URLs that begin http://apps.facebook.com/...

File

./fb.module, line 1797

Code

function fb_url_outbound_alter(&$path, array &$options, $original_path) {

  // Set defaults to avoid PHP notices.
  $options += array(
    'fb_url_alter' => TRUE,
    'external' => FALSE,
    'fb_canvas' => NULL,
  );
  if ($options['external'] || !$options['fb_url_alter']) {
    return;
  }
  $fb_url_alter_prefix =& drupal_static('fb_url_alter_prefix');

  // The fb_url_alter_prefix comes from parsing the inbound URL.  It is correct for most cases.  But some exceptions must be handled.  For example linking from a page tab to a canvas page.
  if ($options['fb_canvas'] === TRUE) {
    dpm($fb_url_alter_prefix, __FUNCTION__);
    $fb_settings =& drupal_static('fb_settings');
    dpm($fb_settings, __FUNCTION__);
    $app = fb_get_app();
    dpm($app, __FUNCTION__);
    $fb_url_alter_prefix = 'fb__canvas/' . $app['namespace'] . '/';
  }
  if ($fb_url_alter_prefix) {
    if ($path == '<front>') {

      // Drupal makes us clean up this cruft.
      $path = '';
    }
    $path = $fb_url_alter_prefix . (!empty($options['prefix']) ? $options['prefix'] : '') . $path;
  }
}