如果你想要D.I.Y.路线。。。
本例中的post类型设置为“post”，但您可以看到在何处更改它。下面是一个工作示例，用于提取数据（本例中的第一页），解析响应，为干净（er）数据创建一个类，从该数据生成帖子，然后为特定属性更新帖子元。
您可能想调整触发呼叫的内容，但当您点击前端时，这将创建5条帖子。在生成标题之前，他们会检查并确保标题和slug不存在。
内容只是从artwork\\u html+中设置的，我在那里添加了img url。您可能希望使用media_sideload_image.
<?php
if (!class_exists(\'RemoteArtwork\')) :
class RemoteArtwork
{
// original data
public $raw;
// public items
public $title;
public $artwork_html;
public $id;
public function __construct($dirty_data)
{
$this->parse_data($dirty_data);
}
/**
* Clean the data, never expect good data
*/
private function sanitize_remote_data($data_as_array)
{
foreach ($data_as_array as $inx => $data) {
$data_as_array [$inx] = sanitize_text_field($data);
}
return $data_as_array;
}
/**
* Take the dirty data, clean it, then set our properties
*/
private function parse_data($dirty_data_as_array)
{
$clean_data = $this->sanitize_remote_data($dirty_data_as_array);
// save the raw data (cleaned)
$this->raw = $clean_data;
// grab the values we need
$this->title = $this->raw [\'_title\'];
$this->artwork_html = $this->raw [\'artwork_html\'];
$this->id = $this->raw [\'id\'];
}
/**
* Update a post with the latest meta data
*/
public function update_artwork_post_meta($post_id)
{
$meta_values_to_set = array (
\'__artwork_dimensions\' => $this->raw[\'dimensions\'],
);
foreach($meta_values_to_set as $key => $meta_value){
$success = $this->update_meta($post_id, $key, $meta_value );
}
}
public function update_meta ( $post_id, $key, $meta_value ){
if ( isset( $meta_value ) && 0 < strlen( trim( $meta_value ) ) ) {
return update_post_meta ( $post_id, $key, $meta_value );
}
return false;
}
public function get_meta ( $post_id, $key ){
$meta_value = get_post_meta( $post_id, $key, true );
return empty( $value ) ? null : $meta_value;
}
} // RemoteArtwork
endif; // RemoteArtwork
if (!class_exists(\'RemoteArtworks\')) :
class RemoteArtworks
{
/** data from url */
public static $remote_data;
/** parsed data -- use these instances for stuffs */
public static $artworks;
/**
* Pull the main feed & extra pages
*/
private static function GetRemoteArtworks($url)
{
// remote data
$response = wp_remote_get($url);
if (is_wp_error($response) || !isset($response[\'body\'])) return; // bad response
// the good stuff
$body = wp_remote_retrieve_body($response);
if (is_wp_error($body)) return; // bad body
// decode the data
$data = json_decode($body, true);
if (!$data || empty($data)) return; // bad data
// make sure there isn\'t anymore
if (isset($data[\'page\']) && isset($data[\'no_of_pages\'])) {
$page = $data[\'page\'];
$pages = $data[\'no_of_pages\'];
$next_page_link = $data[\'next_page_link\'];
if ($page !== $pages) {
// keep loading data from $next_page_link.....
}
}
// final remote data
return $data;
}
/**
* Load the remote feed and parse the data
*/
public static function LoadRemoteArtworks($to_create_posts)
{
self::$remote_data = self::GetRemoteArtworks(\'http://feeds.artlogic.net/artworks/artlogiconline/json/\');
if (!isset(self::$remote_data [\'rows\'])) return; // no rows --- booo!
$works = array();
foreach (self::$remote_data [\'rows\'] as $inx => $remote_item_data) {
// create artwork instance
$artwork = new RemoteArtwork($remote_item_data);
$works[] = $artwork;
}
// set our local data that has been cleaned and parsed
self::$artworks = $works;
// let\'s make new POSTS!!!
if ($to_create_posts) {
$count = 0;
foreach (self::$artworks as $inx => $artwork) {
$count++; // for demo ---- let\'s not go overboard here
$post_id = self::CreateLocalArtworkPost($artwork);
if ($post_id == -1) {
// Nothing happened
} else if ($post_id == -2) {
// already exists
// ... I guess we could update a post\'s data here...
} else {
// new post was created, let\'s update it\'s meta
$success = $artwork->update_artwork_post_meta($post_id);
}
///////////////////////////////////////////////////
///////////////////////////////////////////////////
if ($count >= 5) return self::$remote_data; ///////
///////////////////////////////////////////////////
/////////////////// FOR DEMO... DON\'T DO EVERY POST
///////////////////////////////////////////////////
////////////////////////////////// BUT YOU COULD...
///////////////////////////////////////////////////
///////////////////////////////////////////////////
}
}
// return the remote data... for whatever reason outsite of this class
return self::$remote_data;
}
public static function CreateLocalArtworkPost($artwork)
{
if (!$artwork) return -1;
///////////////////////////////////////////////////
///////////////////////////////////////////////////
// DEBUG
// echo \'<pre>\';
// print_r( $artwork );
// echo \'</pre>\';
///////////////////////////////////////////////////
///////////////////////////////////////////////////
// do post creation from $artwork data that has been sanitized
$template = \'\'; // add a custom template if you want
$post_type = \'post\';
$img_url = $artwork->raw[\'img_url\'];
$artwork_html = $artwork->artwork_html;
$content = "<p>${artwork_html}</p>\\n\\r<br />\\r\\n<a target=\\"_blank\\" href=\\"${img_url}\\"><img width=\\"100%\\" height=\\"auto\\" src=\\"${img_url}\\"></a>";
$new_post_id = self::CreateNewArtworkPost($post_type, $artwork->title, $content, $template, $artwork);
return $new_post_id;
}
/**
* orginal from - https://tommcfarlin.com/programmatically-create-a-post-in-wordpress/
*/
public static function CreateNewArtworkPost($post_type = \'post\', $title, $content, $template_rel_path = \'\', $data)
{
// Initialize the page ID to -1. This indicates no action has been taken.
$post_id = -1;
if (!current_user_can(\'publish_posts\')) {
// sorry...
return $post_id;
}
// Prep
$author_id = get_current_user_id();
if (!$author_id) {
return $post_id;
}
$title = sanitize_text_field(wp_strip_all_tags($title)); // remove any junk
$title = esc_html(wp_unslash($title));
$slug = sanitize_title_with_dashes($title); // converts to a usable post_name
$post_type = post_type_exists($post_type) ? $post_type : \'post\'; // make sure it exists
// If the page doesn\'t already exist, then create it (by title & slug)
if (null == get_page_by_title($title) && empty(get_posts(array(\'name\' => $slug)))) {
// Set the post ID so that we know the post was created successfully
$post_id = wp_insert_post(
array(
\'post_name\' => $slug,
\'post_title\' => $title,
\'post_content\' => $content,
\'post_type\' => $post_type,
\'post_author\' => $author_id,
\'comment_status\' => \'closed\',
\'ping_status\' => \'closed\',
\'post_status\' => \'publish\',
)
);
if ($post_id && $post_id > 0 && !empty($template_rel_path)) {
// make sure the template exists
$template_full_path = trailingslashit(get_stylesheet_directory()) . $template_rel_path;
if (file_exists($template_full_path)) {
// set the post meta data -- use relative path
update_post_meta($post_id, \'_wp_page_template\', $template_rel_path);
}
} // end template check
// Otherwise, we\'ll stop
} else {
// Arbitrarily use -2 to indicate that the page with the title already exists
$post_id = -2;
} // end if
return $post_id;
} // end programmatically_create_post
}// RemoteArtworks
endif; // RemoteArtworks
然后启动远程获取和创建
add_action ( \'init\', function(){
// break time in the demo... run on the front and watch the posts pile up
if( is_admin() ) return;
// Create posts from remote data?
$to_create_posts = true;
// Load the feed
$data = RemoteArtworks::LoadRemoteArtworks( $to_create_posts );
});
Reference
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