function themename_preprocess_node(&$variables) {
  // Get a list of all the regions for this theme
  foreach (system_region_list($GLOBALS['theme']) as $region_key => $region_name) {
    // Get the content for each region and add it to the $region variable
    if ($blocks = block_get_blocks_by_region($region_key)) {
      $variables['region'][$region_key] = $blocks;
    }
    else {
      $variables['region'][$region_key] = array();
    }
  }

}

function tlrla_preprocess_node(&$variables) {
  // Get a list of all the regions for this theme
  foreach (system_region_list($GLOBALS['theme']) as $region_key => $region_name) {
    // Get the content for each region and add it to the $region variable
    if ($blocks = block_get_blocks_by_region($region_key)) {
      $variables['region'][$region_key] = $blocks;
    }
    else {
      $variables['region'][$region_key] = array();
    }
  }

}

Enables the usage off regions in node.tpl

Render drupal regions in node

drupal

PHP