wp_ajax_hidden_columns()

1840function wp_ajax_hidden_columns() {1841	check_ajax_referer( 'screen-options-nonce', 'screenoptionnonce' );1842	$page = $_POST['page'] ?? '';1843 1844	if ( sanitize_key( $page ) !== $page ) {1845		wp_die( 0 );1846	}1847 1848	$user = wp_get_current_user();1849	if ( ! $user ) {1850		wp_die( -1 );1851	}1852 1853	$hidden = ! empty( $_POST['hidden'] ) ? explode( ',', $_POST['hidden'] ) : array();1854	update_user_meta( $user->ID, "manage{$page}columnshidden", $hidden );1855 1856	wp_die( 1 );1857}