CRM_Utils_Hook::pre('delete', $name, $block->id, CRM_Core_DAO::$_nullArray);
$block->delete();
CRM_Utils_Hook::post('delete', $name, $block->id, $block);
CRM_Utils_Hook::pre('delete', $name, $block->id, CRM_Core_DAO::$_nullArray);
$block->delete();
CRM_Utils_Hook::post('delete', $name, $block->id, $block);