Function Reference/add screen option

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Description

Adds a screen option to the current page.

<?php add_screen_option( 'per_page', array('label' => _x( 'Comments', 'comments per page (screen options)' )) ); ?>

$option

(string) (required) An option name.

Default: None

$args

(array) (optional) Option-dependent arguments.

Default: array()

<?php
add_action('wp_network_dashboard_setup', function() {
    add_screen_option('layout_columns', ['default' => 2]);
});
?>

Since: 3.1

add_screen_option() is located in wp-admin/includes/screen.php.