simplexml_load_file无法正常工作“php_network_getaddresses:failed:名称或服务未知”

时间:2011-07-03 08:00:42

标签: php simplexml

我刚刚开始收到这些警告,我不知道为什么,也不知道如何修复它。让我感到困惑的是,它之前正在工作,我开始在另一个班级工作,现在我开始收到这个错误......

即时通讯使用linux fedora&网络服务器的apache。

  

警告:simplexml_load_file()   [function.simplexml负荷文件]:   php_network_getaddresses:getaddrinfo   失败:未知的名称或服务   GetImagesFlickr.php   第17行

     

警告:   使用simplexml_load_file(http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=9eb9f5e5fb72d6d2fed06cf4e64ba9bb&media=photos&per_page=50&text=fgdc)   [function.simplexml-load-file]:失败   打开流:   php_network_getaddresses:getaddrinfo   失败:未知的名称或服务   GetImagesFlickr.php   第17行

     

警告:simplexml_load_file()   [function.simplexml-load-file]:I / O.   警告:无法加载外部   实体   “http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=9eb9f5e5fb72d6d2fed06cf4e64ba9bb&media=photos&per_page=50&text=fgdc”   在   /var/www/html/yahoo/GetImagesFlickr.php   第17行

<?php
class GetImagesFlickr
{
    const API_KEY = "***"; // Flickr api key
    const MAX_RESULTS_RETURNED = 50; // Max results returned in search

    private $url; // Flickr webservice url

    public function __construct () 
    {
        $this->url = "http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=".self::API_KEY."&media=photos&per_page=".self::MAX_RESULTS_RETURNED;
    }

    public function getImages ($search_term)
    {
        // Perform search and store xml data
        $xml_data = simplexml_load_file("{$this->url}&text={$search_term}");

        $search_results = array();

        // Go through xml data and store to array
        foreach ($xml_data->photos->photo as $current_photo)
        {
            $id = $current_photo['id'];
                        $title = $current_photo['title'];
            $farm = $current_photo['farm'];
            $secret = $current_photo['secret'];
            $server = $current_photo['server'];
            $url = "http://farm{$farm}.static.flickr.com/{$server}/{$id}_{$secret}.jpg";

            $complete_photo = array (
                'id'     => $id,
                                'title'  => $title,
                'farm'   => $farm,
                'secret' => $secret,
                'server' => $server,
                'url'    => $url
            );

            $search_results[] = $complete_photo;
        }

        return $search_results;
    }
}
?>

1 个答案:

答案 0 :(得分:4)

您遇到网络/ DNS问题,而不是PHP问题。似乎您的机器无法解析api.flickr.com的IP。

“su”到您的Web服务器用户并尝试解析那里的名称,即

$ sudo bash
  # get root
$ su - apache
  # we're the apache user now
$ ping api.flickr.com