gistfile1.txt

function codify_block_info() {
  $blocks = array();
  $blocks['submit_session'] = array(
          'info'=> t('Submit Session Block')
  );
  return $blocks;
}

function codify_blocks_block_view($delta) {
  $blocks = array();
  switch($delta) {
    case 'submit_session':
      $blocks['subject'] = t('Submit a Session');
      $blocks['content'] = $block;
    break;
    }
  return $blocks;
}

function codify_is_anon() {

    if (user_is_anonymous()) {
        $block = '<div class="register-now">' . l(t('Register now to submit a session'), 'user/register') . '</div>';
    }
    if (!user_is_anonymous()) {
        $block = '<div class="register-now">' . l(t('Submit a Session'), 'node/add/session') . '</div>';
    }
    
    return $block;
    
  }