WordPress at a glance
filter is not described

set-screen-option filter-hook . WP 2.8.0

Filters a screen option value before it is set.

The filter can also be used to modify non-standard [items]_per_page settings. See the parent function for a full list of standard options.

Returning false to the filter will skip saving the current option.

Usage

add_filter( 'set-screen-option', 'filter_function_name_7692', 10, 3 );
function filter_function_name_7692( $value, $option, $value ){
	// filter...

	return $value;
}
$value(true/false/int)
Screen option value.
Default: false to skip
$option(string)
The option name.
$value(int)
The number of rows to use.

Where the hook is called

set_screen_options()
wp-admin/includes/misc.php 640
$value = apply_filters( 'set-screen-option', false, $option, $value );

Where the hook is used (in WP core)

Does not used.