在Drupal中以编程方式插入多个节点时出现日期错误

Advomatic ,这是我在一个旧的堆栈溢出帖子中发现的。它工作得很好(意味着它创建了节点),但是它返回了很多错误消息,都与空日期有关。

    case 'insert':
      // insert individual matches when a team match is created
      if($node->type == 'team_match') {
        // Create node of type 'individual_match'
        // will be a loop, once date errors are sorted out
        $form_state = array();
        $tmp_node = new stdClass(); 
        $tmp_node->type = 'individual_match';
        // create form for new node
        $form_state['values']['type'] = $tmp_node->type;
        $form_state['values']['status'] = 1;
        $form_state['values']['title'] = $node->title;
        $form_state['values']['uid'] = $node->uid;
        $form_state['values']['name'] = $node->name;
        $form_state['values']['op'] = t('Save');  // This seems to be a required value.
        // Create the content.
        drupal_execute($tmp_node->type.'_node_form', $form_state,  &$tmp_node);
      }
    break;

下面是错误消息:

• 警告:date\u offset\u get()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素第491行。
• 警告:date\u format()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素第494行。
• 警告:date\u format()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素第495行。
• 警告:date\u offset\u get()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素第497行。
• 警告:date\u timezone\u set()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素第499行。
• 警告:date\u format()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素第501行。
• 警告:date\u timezone\u set()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素在509线上。
• 警告:date\u timezone\u set()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素第510行。
• 警告:date\u format()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素公司,511号线。
• 警告:date\u format()要求参数1为DateTime,在/var/www/vhosts中为空/example.com/httpdocs/sites/all/modules/date/date/date\u元素公司,514号线。