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Function Reference/register setting

Register a setting and its sanitization callback.

<?php register_setting( $option_group, $option_name, $sanitize_callback ); ?>

$option_group

(string) (required) A settings group name. Can be anything.

Default: None

$option_name

(string) (required) The name of an option to sanitize and save.

Default: None

$sanitize_callback

(string) (optional) A callback function that sanitizes the option's value.

Default: None

<?php register_setting( 'my_options_group', 'my_option_name', 'intval' ); ?>

Since: 2.7.0

register_setting() is located in wp-admin/includes/plugin.php.