PHP WP_Http::make_absolute_url方法代码示例

 /**
  * @dataProvider make_absolute_url_testcases
  */
 function test_make_absolute_url($relative_url, $absolute_url, $expected)
 {
     if (!is_callable(array('WP_Http', 'make_absolute_url'))) {
         $this->markTestSkipped("This version of WP_HTTP doesn't support WP_HTTP::make_absolute_url()");
         return;
     }
     $actual = WP_Http::make_absolute_url($relative_url, $absolute_url);
     $this->assertEquals($expected, $actual);
 }

 /**
  * Handles HTTP Redirects and follows them if appropriate.
  *
  * @since 3.7.0
  *
  * @static
  *
  * @param string $url The URL which was requested.
  * @param array $args The Arguments which were used to make the request.
  * @param array $response The Response of the HTTP request.
  * @return false|object False if no redirect is present, a WP_HTTP or WP_Error result otherwise.
  */
 public static function handle_redirects($url, $args, $response)
 {
     // If no redirects are present, or, redirects were not requested, perform no action.
     if (!isset($response['headers']['location']) || 0 === $args['_redirection']) {
         return false;
     }
     // Only perform redirections on redirection http codes.
     if ($response['response']['code'] > 399 || $response['response']['code'] < 300) {
         return false;
     }
     // Don't redirect if we've run out of redirects.
     if ($args['redirection']-- <= 0) {
         return new WP_Error('http_request_failed', __('Too many redirects.'));
     }
     $redirect_location = $response['headers']['location'];
     // If there were multiple Location headers, use the last header specified.
     if (is_array($redirect_location)) {
         $redirect_location = array_pop($redirect_location);
     }
     $redirect_location = WP_Http::make_absolute_url($redirect_location, $url);
     // POST requests should not POST to a redirected location.
     if ('POST' == $args['method']) {
         if (in_array($response['response']['code'], array(302, 303))) {
             $args['method'] = 'GET';
         }
     }
     // Include valid cookies in the redirect process.
     if (!empty($response['cookies'])) {
         foreach ($response['cookies'] as $cookie) {
             if ($cookie->test($redirect_location)) {
                 $args['cookies'][] = $cookie;
             }
         }
     }
     return wp_remote_request($redirect_location, $args);
 }

/**
 * Callback to add a base url to relative links in passed content.
 *
 * @since 2.7.0
 * @access private
 *
 * @global string $_links_add_base
 *
 * @param string $m The matched link.
 * @return string The processed link.
 */
function _links_add_base($m)
{
    global $_links_add_base;
    //1 = attribute name  2 = quotation mark  3 = URL
    return $m[1] . '=' . $m[2] . (preg_match('#^(\\w{1,20}):#', $m[3], $protocol) && in_array($protocol[1], wp_allowed_protocols()) ? $m[3] : WP_Http::make_absolute_url($m[3], $_links_add_base)) . $m[2];
}

function update_data()
{
    remove_filter('pre_post_title', 'pre_post_title');
    $upload_dir = wp_upload_dir();
    $filename = $upload_dir['basedir'] . '/data.json';
    require_once ABSPATH . 'wp-admin/includes/file.php';
    require_once ABSPATH . 'wp-admin/includes/image.php';
    require_once ABSPATH . 'wp-admin/includes/media.php';
    $items = array();
    $args = array('numberposts' => -1, 'post_type' => 'business');
    foreach (get_posts($args) as $post) {
        $custom_fields = get_post_custom($post->ID);
        list($address) = $custom_fields['address'];
        list($latlng) = $custom_fields['latlng'];
        list($phone) = $custom_fields['phone'];
        $item = array('label' => my_html_entity_decode(wptexturize($post->post_title)), 'permalink' => get_permalink($post));
        $item += array_filter(compact('address', 'latlng', 'phone'));
        $website = esc_url_raw($custom_fields['website'][0]);
        if ($website) {
            $website = strtolower($website);
            $website = preg_replace('/^https?:\\/\\/(?:www\\.)?([-.\\d_a-z~]+(?:\\/[-.\\/\\d_a-z~]+)?)\\/*/', 'http://$1', $website);
            $args = array('timeout' => 300, 'redirection' => 0);
            $response = wp_safe_remote_get($website, $args);
            $args['redirection'] = 1;
            $args['reject_unsafe_urls'] = true;
            for ($i = 0; $i < 5; $i++) {
                if (is_wp_error($response)) {
                    delete_post_meta($post->ID, 'website_up');
                    break;
                }
                $redirect_response = WP_Http::handle_redirects($website, $args, $response);
                if (!$redirect_response) {
                    $website = preg_replace('/^(https?:\\/\\/[-.\\d_a-z~]+)\\/+$/i', '$1', $website);
                    //update_post_meta($post->ID, 'website', $website);
                    update_post_meta($post->ID, 'website_up', $website);
                    $body = wp_remote_retrieve_body($response);
                    $doc = new DOMDocument();
                    @$doc->loadHTML($body);
                    $url_parts = my_parse_url($website);
                    $urls = array();
                    foreach ($doc->getElementsByTagName('img') as $node) {
                        $relative_url_parts = my_parse_url($node->getAttribute('src'));
                        $relative_url_parts['path'] = str_replace(' ', '%20', $relative_url_parts['path']);
                        $relative_url_parts['query'] = str_replace(' ', '+', $relative_url_parts['query']);
                        if (!$relative_url_parts['scheme']) {
                            $relative_url_parts['scheme'] = $url_parts['scheme'];
                            if (!$relative_url_parts['host']) {
                                $relative_url_parts['host'] = $url_parts['host'];
                                $relative_url_parts['port'] = $url_parts['port'];
                                if (!$relative_url_parts['path']) {
                                    $relative_url_parts['path'] = $url_parts['path'];
                                    if (!$relative_url_parts['query']) {
                                        $relative_url_parts['query'] = $url_parts['query'];
                                    }
                                } else {
                                    if ($relative_url_parts['path'][0] != '/') {
                                        $relative_url_parts['path'] = "/{$relative_url_parts['path']}";
                                        if ($url_parts['path']) {
                                            $relative_url_parts['path'] = substr($url_parts['path'], 0, strrpos($url_parts['path'], '/')) . $relative_url_parts['path'];
                                        }
                                    }
                                }
                            }
                        }
                        do {
                            $relative_url_parts['path'] = preg_replace('/[^\\/]+\\/\\.\\.(?:\\/|$)/', '', $relative_url_parts['path'], 1, $count);
                        } while ($count);
                        $url = "{$relative_url_parts['scheme']}://{$relative_url_parts['host']}";
                        if ($relative_url_parts['port']) {
                            $url .= ":{$relative_url_parts['port']}";
                        }
                        $url .= $relative_url_parts['path'];
                        if ($relative_url_parts['query']) {
                            $url .= "?{$relative_url_parts['query']}";
                        }
                        $urls[$url] = $url;
                    }
                    if ($urls) {
                        $args = array('post_parent' => $post->ID, 'post_type' => 'attachment');
                        foreach (get_children($args) as $attachment) {
                            wp_delete_attachment($attachment->ID);
                        }
                        $found = false;
                        foreach ($urls as $url) {
                            $tmp_name = download_url($url);
                            list($width, $height) = getimagesize($tmp_name);
                            if ($width > 40 && $height > 40 && $width + $height > 180) {
                                preg_match('/[^\\/]+?(?=\\/?(?:$|\\?))/', $url, $matches);
                                $file_array = array('name' => $matches[0], 'tmp_name' => $tmp_name);
                                $thumbnail_id = media_handle_sideload($file_array, $post->ID);
                                if (!$found) {
                                    set_post_thumbnail($post, $thumbnail_id);
                                    $found = true;
                                }
                            }
                        }
                    }
                    break;
                }
                $website = WP_Http::make_absolute_url(wp_remote_retrieve_header($response, 'location'), $website);
//.........这里部分代码省略.........