Source
File: wp-includes/post.php
function register_post_status( $post_status, $args = array() ) {
global $wp_post_statuses;
if ( ! is_array( $wp_post_statuses ) ) {
$wp_post_statuses = array();
}
// Args prefixed with an underscore are reserved for internal use.
$defaults = array(
'label' => false,
'label_count' => false,
'exclude_from_search' => null,
'_builtin' => false,
'public' => null,
'internal' => null,
'protected' => null,
'private' => null,
'publicly_queryable' => null,
'show_in_admin_status_list' => null,
'show_in_admin_all_list' => null,
'date_floating' => null,
);
$args = wp_parse_args( $args, $defaults );
$args = (object) $args;
$post_status = sanitize_key( $post_status );
$args->name = $post_status;
// Set various defaults.
if ( null === $args->public && null === $args->internal && null === $args->protected && null === $args->private ) {
$args->internal = true;
}
if ( null === $args->public ) {
$args->public = false;
}
if ( null === $args->private ) {
$args->private = false;
}
if ( null === $args->protected ) {
$args->protected = false;
}
if ( null === $args->internal ) {
$args->internal = false;
}
if ( null === $args->publicly_queryable ) {
$args->publicly_queryable = $args->public;
}
if ( null === $args->exclude_from_search ) {
$args->exclude_from_search = $args->internal;
}
if ( null === $args->show_in_admin_all_list ) {
$args->show_in_admin_all_list = ! $args->internal;
}
if ( null === $args->show_in_admin_status_list ) {
$args->show_in_admin_status_list = ! $args->internal;
}
if ( null === $args->date_floating ) {
$args->date_floating = false;
}
if ( false === $args->label ) {
$args->label = $post_status;
}
if ( false === $args->label_count ) {
// phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralSingle,WordPress.WP.I18n.NonSingularStringLiteralPlural
$args->label_count = _n_noop( $args->label, $args->label );
}
$wp_post_statuses[ $post_status ] = $args;
return $args;
}