wp-admin/includes/class-wp-list-table-compat.php:48Gets a list of all, hidden, and sortable columns.
array protected function get_column_info() { $columns = get_column_headers( $this->_screen ); $hidden = get_hidden_columns( $this->_screen ); $sortable = array(); $primary = $this->get_default_primary_column_name(); return array( $columns, $hidden, $sortable, $primary ); }Introduced in 3.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/class-wp-list-table-compat.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.