default_hidden_columns filter-hook . WP 4.4.0

Filters the default list of hidden columns.

Usage

add_filter( 'default_hidden_columns', 'filter_function_name_20', 10, 2 );
function filter_function_name_20( $hidden, $screen ){
	// filter...

	return $hidden;
}

$hidden(array)

An array of columns hidden by default.

$screen(WP_Screen)

WP_Screen object of the current screen.

Where the hook is called

$hidden = apply_filters( 'default_hidden_columns', $hidden, $screen );

Where the hook is used (in WP core)