add_option_update_handler() │ WP 2.7.0

Register a setting and its sanitization callback

No Hooks.

Returns

null. Nothing (null).

Usage

add_option_update_handler( $option_group, $option_name, $sanitize_callback );

$option_group(string) (required)

A settings group name. Should correspond to an allowed option key name.
Default: allowed option key names include 'general', 'discussion', 'media', 'reading', 'writing', and 'options'

$option_name(string) (required)

The name of an option to sanitize and save.

$sanitize_callback(callable)

A callback function that sanitizes the option's value.
Default: ''

Notes

• See: register_setting()

Changelog

add_option_update_handler() add option update handler code ^{WP 7.0}

function add_option_update_handler( $option_group, $option_name, $sanitize_callback = '' ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'register_setting()' );
	register_setting( $option_group, $option_name, $sanitize_callback );
}