wp-includes/blocks/breadcrumbs.php:233Creates a "Page X" breadcrumb item for paginated views.
$query_varstringoptional'paged'arrayfunction block_core_breadcrumbs_create_page_number_item( $query_var = 'paged' ) { $paged = (int) get_query_var( $query_var ); if ( 'cpage' === $query_var ) { return array( 'label' => sprintf( /* translators: %s: comment page number */ __( 'Comments Page %s' ), number_format_i18n( $paged ) ), ); } return array( 'label' => sprintf( /* translators: %s: page number */ __( 'Page %s' ), number_format_i18n( $paged ) ), );}Introduced in 7.0.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/blocks/breadcrumbs.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.