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php - WordPress 创建新帖子时保存翻译帖子

转载 作者:行者123 更新时间:2023-12-02 21:10:04 27 4
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我不想实现以下目标:如果用户创建新帖子(cpt),我必须保存新创建帖子的副本。之后,我将使用 Polylang 将这个新帖子设置为另一种语言,作为第一步中创建的帖子的翻译。

Hook 以下操作应该会带来预期的结果:

add_action('new_to_publish', 'duplicate_to_english');
add_action('draft_to_publish', 'duplicate_to_english');
add_action('pending_to_publish', 'duplicate_to_english');

function duplicate_to_english($post)
{
$en_post = pll_get_post($post->ID, 'en');
if(empty($en_post)) {
$new_post = (array) $post;
unset($new_post['ID']);
// INFINITE LOOP
$en_id = wp_insert_post($new_post);
pll_set_post_language($en_id, 'en');
}

}

但不幸的是,这将导致无限循环(如预期)。现在我正在寻找避免这种循环的可能性。我的第一个想法是设置一个 $_POST 变量,并且仅在设置了该变量时才执行复制。但我不知道如何识别新帖子。我发现 WordPress 在单击“新帖子”按钮后会立即保存自动草稿,因此查找帖子 ID = 0 不起作用。任何其他方法都非常受欢迎。

最佳答案

对于每个需要解决方案的人:

我使用调用的方法来保存元数据来完成复制我的帖子:

add_action ( 'save_post', 'save_meta', 1, 3 ); // save the custom fields

function save_meta($post_id, $post, $update)
{
// here we check for the transient set in duplicate_post
// if existing delete it end return because we are saving only
// the duplicate. This will avoid infinite loop while saving the
// new translated post
$english = get_transient('saving_english');
if($english) {
delete_transient('saving_english');
return $post->ID;
}

// In case of auto saving draft we can return and don't duplicate the post
if (!wp_verify_nonce($_POST['nonce'], 'nonce')) {
return $post->ID;
}

if (! current_user_can ( 'edit_post', $post->ID )) {
return $post->ID;
}

// collect meta data from $_POST
$item_meta = $_POST['post_meta'];

// Updating meta data for the original post
loop_through_meta($item_meta, $post);

// looking for translated version
$en_id = pll_get_post($post->ID, 'en');

// If the translated post is missing, set transient,
// duplicate the post and category and afterwards write
// the taxonomy entry for polylang
if (empty($en_id)) {
set_transient('saving_english', true);
if ($en_id = duplicate_post($post, $item_meta['title_english'])) {
pll_save_post_translations([
'de' => $post->ID,
'en' => $en_id
]);
}
// If the translated posts already exists deregister the hook
// to avoid infinite loop.
// But note the third parameter priority: It must be the same
// priority as used for registering the hook
} else {
remove_action('save_post', 'save__meta',1);
wp_update_post([
'ID' => $en_id,
'post_title' => $item_meta['title_english']
]);
add_action ( 'save_post', 'save_meta', 1, 3 );
}

// If we have an id save new meta to the translated post
if(!empty($en_id)) {
loopt_through_meta($item_meta, get_post($en_id));
}

}

function duplicate_post ($post, $title)
{
$new_post = (array) $post;
unset($new_post['ID']);
$new_post['post_title'] = $title;
$new_id = wp_insert_post($new_post);

// Here we only need to set the custom category but not
// the Polylang taxonomy.
$taxonomies = get_object_taxonomies($post->post_type);
foreach ($taxonomies as $taxonomy) {
if($taxonomy != 'custom_categories') continue;
$post_terms = wp_get_object_terms($post->ID, $taxonomy, array('fields' => 'slugs'));
wp_set_object_terms($new_id, $post_terms, $taxonomy, false);
}

pll_set_post_language($new_id, 'en');
return $new_id;
}

就是这样。现在,每次您创建新帖子或更新现有帖子时,都会创建或更新翻译后的副本。

关于php - WordPress 创建新帖子时保存翻译帖子,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42020630/

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