WordPress at a glance
filter is not described

pre_update_option_(option) filter-hook . WP 2.6.0

Filters a specific option before its value is (maybe) serialized and updated.

The dynamic portion of the hook name, $option, refers to the option name.

Usage

add_filter( 'pre_update_option_(option)', 'filter_function_name_5368', 10, 3 );
function filter_function_name_5368( $value, $old_value, $option ){
	// filter...

	return $value;
}
$value(mixed)
The new, unserialized option value.
$old_value(mixed)
The old option value.
$option(string)
Option name.

Notes

  • Since 4.4.0 The $option parameter was added.

Where the hook is called

update_option()
pre_update_option_(option)
wp-includes/option.php 312
$value = apply_filters( "pre_update_option_{$option}", $value, $old_value, $option );

Where the hook is used (in WP core)

Does not used.