staylor / WordPress

 * @param mixed  $value  Optional. Option value, can be anything. Expected to not be SQL-escaped.

 * @return bool False if option was not added and true if option was added.

 */

function add_blog_option( $id, $option, $value ) {

	$id = (int) $id;

	if ( empty( $id ) )

		$id = get_current_blog_id();

	if ( get_current_blog_id() == $id )

		return add_option( $option, $value );

	switch_to_blog( $id );

	$return = add_option( $option, $value );

	restore_current_blog();

	return $return;

}

/**

 * Removes option by name for a given blog id. Prevents removal of protected WordPress options.

 * @param string $option Name of option to remove. Expected to not be SQL-escaped.

 * @return bool True, if option is successfully deleted. False on failure.

 */

function delete_blog_option( $id, $option ) {

	$id = (int) $id;

	if ( empty( $id ) )

		$id = get_current_blog_id();

	if ( get_current_blog_id() == $id )

		return delete_option( $option );

	switch_to_blog( $id );

	$return = delete_option( $option );

	restore_current_blog();

	return $return;

}

/**

 * Update an option for a particular blog.