function wp_post_revision_fields($fields, $post = null)
{
// validate page
if (acf_is_screen('revision') || acf_is_ajax('get-revision-diffs')) {
// allow
} else {
// bail early (most likely saving a post)
return $fields;
}
// vars
$append = array();
$order = array();
$post_id = acf_maybe_get($post, 'ID');
// compatibility with WP < 4.5 (test)
if (!$post_id) {
global $post;
$post_id = $post->ID;
}
// get all postmeta
$meta = get_post_meta($post_id);
// bail early if no meta
if (!$meta) {
return $fields;
}
// loop
foreach ($meta as $name => $value) {
// attempt to find key value
$key = acf_maybe_get($meta, '_' . $name);
// bail ealry if no key
if (!$key) {
continue;
}
// update vars
$value = $value[0];
$key = $key[0];
// bail early if $key is a not a field_key
if (!acf_is_field_key($key)) {
continue;
}
// get field
$field = acf_get_field($key);
$field_title = $field['label'] . ' (' . $name . ')';
$field_order = $field['menu_order'];
$ancestors = acf_get_field_ancestors($field);
// ancestors
if (!empty($ancestors)) {
// vars
$count = count($ancestors);
$oldest = acf_get_field($ancestors[$count - 1]);
// update vars
$field_title = str_repeat('- ', $count) . $field_title;
$field_order = $oldest['menu_order'] . '.1';
}
// append
$append[$name] = $field_title;
$order[$name] = $field_order;
// hook into specific revision field filter and return local value
add_filter("_wp_post_revision_field_{$name}", array($this, 'wp_post_revision_field'), 10, 4);
}
// append
if (!empty($append)) {
// vars
$prefix = '_';
// add prefix
$append = acf_add_array_key_prefix($append, $prefix);
$order = acf_add_array_key_prefix($order, $prefix);
// sort by name (orders sub field values correctly)
array_multisort($order, $append);
// remove prefix
$append = acf_remove_array_key_prefix($append, $prefix);
// append
$fields = $fields + $append;
}
// return
return $fields;
}
function acf_enqueue_uploader()
{
// bail early if doing ajax
if (acf_is_ajax()) {
return;
}
// bail ealry if already run
if (acf_has_done('enqueue_uploader')) {
return;
}
// enqueue media if user can upload
if (current_user_can('upload_files')) {
wp_enqueue_media();
}
// create dummy editor
?>
<div class="acf-hidden"><?php
wp_editor('', 'acf_content');
?>
</div><?php
}
