wp_determine_option_autoload_value()

wp_determine_option_autoload_value( string $option, mixed $value, mixed $serialized_value, bool|null $autoload ): string

function wp_determine_option_autoload_value( $option, $value, $serialized_value, $autoload ) {

	// Check if autoload is a boolean.
	if ( is_bool( $autoload ) ) {
		return $autoload ? 'on' : 'off';
	}

	switch ( $autoload ) {
		case 'on':
		case 'yes':
			return 'on';
		case 'off':
		case 'no':
			return 'off';
	}

	/**
	 * Allows to determine the default autoload value for an option where no explicit value is passed.
	 *
	 * @since 6.6.0
	 *
	 * @param bool|null $autoload         The default autoload value to set. Returning true will be set as 'auto-on' in the
	 *                                    database, false will be set as 'auto-off', and null will be set as 'auto'.
	 * @param string    $option           The passed option name.
	 * @param mixed     $value            The passed option value to be saved.
	 * @param mixed     $serialized_value The passed option value to be saved, in serialized form.
	 */
	$autoload = apply_filters( 'wp_default_autoload_value', null, $option, $value, $serialized_value );
	if ( is_bool( $autoload ) ) {
		return $autoload ? 'auto-on' : 'auto-off';
	}

	return 'auto';
}