Display in console the custom fields used by the CPT person - WP CLI

display_custom_fields_CPT_WP_CLI.bash

wp eval '
$posts = get_posts([
  "post_type" => "person",
  "posts_per_page" => 500,
  "fields" => "ids"
]);

$keys = [];

foreach ($posts as $id) {
  foreach (array_keys(get_post_meta($id)) as $meta_key) {
    $keys[$meta_key] = true;
  }
}

echo "Campos personalizados encontrados en el CPT person:\n";
foreach (array_keys($keys) as $key) {
  echo "- $key\n";
}
'