function wp_restore_post_revision($post_id, $revision_id)
{
// copy postmeta from revision to post (restore from revision)
acf_copy_postmeta($revision_id, $post_id);
// Make sure the latest revision is also updated to match the new $post data
// get latest revision
$revision = acf_get_post_latest_revision($post_id);
// save
if ($revision) {
// copy postmeta from revision to latest revision (potentialy may be the same, but most likely are different)
acf_copy_postmeta($revision_id, $revision->ID);
}
}
function acf_get_valid_post_id($post_id = 0)
{
// if not $post_id, load queried object
if (!$post_id) {
// try for global post (needed for setup_postdata)
$post_id = (int) get_the_ID();
// try for current screen
if (!$post_id) {
$post_id = get_queried_object();
}
}
// $post_id may be an object
if (is_object($post_id)) {
// post
if (isset($post_id->post_type, $post_id->ID)) {
$post_id = $post_id->ID;
// user
} elseif (isset($post_id->roles, $post_id->ID)) {
$post_id = 'user_' . $post_id->ID;
// term
} elseif (isset($post_id->taxonomy, $post_id->term_id)) {
$post_id = $post_id->taxonomy . '_' . $post_id->term_id;
// comment
} elseif (isset($post_id->comment_ID)) {
$post_id = 'comment_' . $post_id->comment_ID;
// default
} else {
$post_id = 0;
}
}
// allow for option == options
if ($post_id === 'option') {
$post_id = 'options';
}
// append language code
if ($post_id == 'options') {
$dl = acf_get_setting('default_language');
$cl = acf_get_setting('current_language');
if ($cl && $cl !== $dl) {
$post_id .= '_' . $cl;
}
}
/*
* Override for preview
*
* If the $_GET['preview_id'] is set, then the user wants to see the preview data.
* There is also the case of previewing a page with post_id = 1, but using get_field
* to load data from another post_id.
* In this case, we need to make sure that the autosave revision is actually related
* to the $post_id variable. If they match, then the autosave data will be used, otherwise,
* the user wants to load data from a completely different post_id
*/
if (isset($_GET['preview_id'])) {
$autosave = wp_get_post_autosave($_GET['preview_id']);
if ($autosave && $autosave->post_parent == $post_id) {
$post_id = (int) $autosave->ID;
}
} elseif (isset($_GET['p']) && isset($_GET['preview'])) {
$revision = acf_get_post_latest_revision($_GET['p']);
// save
if ($revision && $revision->post_parent == $post_id) {
$post_id = (int) $revision->ID;
}
}
// return
return $post_id;
}
