wp-admin/includes/list-table.php:92Register column headers for a particular screen.
$screenstring$columnsstring[]function register_column_headers( $screen, $columns ) { new _WP_List_Table_Compat( $screen, $columns );}Introduced in 2.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/list-table.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.