<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Internals\Options
*/
/**
* Overall Option Management class.
*
* Instantiates all the options and offers a number of utility methods to work with the options.
*/
class WPSEO_Options {
/**
* The option values.
*
* @var array|null
*/
protected static $option_values = null;
/**
* Options this class uses.
*
* @var array Array format: (string) option_name => (string) name of concrete class for the option.
*/
public static $options = [
'wpseo' => 'WPSEO_Option_Wpseo',
'wpseo_titles' => 'WPSEO_Option_Titles',
'wpseo_social' => 'WPSEO_Option_Social',
'wpseo_ms' => 'WPSEO_Option_MS',
'wpseo_taxonomy_meta' => 'WPSEO_Taxonomy_Meta',
'wpseo_llmstxt' => 'WPSEO_Option_Llmstxt',
'wpseo_tracking_only' => 'WPSEO_Option_Tracking_Only',
];
/**
* Array of instantiated option objects.
*
* @var array
*/
protected static $option_instances = [];
/**
* Array with the option names.
*
* @var array
*/
protected static $option_names = [];
/**
* Instance of this class.
*
* @var WPSEO_Options
*/
protected static $instance;
/**
* Instantiate all the WPSEO option management classes.
*/
protected function __construct() {
$this->register_hooks();
foreach ( static::$options as $option_class ) {
static::register_option( call_user_func( [ $option_class, 'get_instance' ] ) );
}
}
/**
* Register our hooks.
*
* @return void
*/
public function register_hooks() {
add_action( 'registered_taxonomy', [ $this, 'clear_cache' ] );
add_action( 'unregistered_taxonomy', [ $this, 'clear_cache' ] );
add_action( 'registered_post_type', [ $this, 'clear_cache' ] );
add_action( 'unregistered_post_type', [ $this, 'clear_cache' ] );
}
/**
* Get the singleton instance of this class.
*
* @return object
*/
public static function get_instance() {
if ( ! ( static::$instance instanceof self ) ) {
static::$instance = new self();
}
return static::$instance;
}
/**
* Registers an option to the options list.
*
* @param WPSEO_Option $option_instance Instance of the option.
*
* @return void
*/
public static function register_option( WPSEO_Option $option_instance ) {
$option_name = $option_instance->get_option_name();
if ( $option_instance->multisite_only && ! static::is_multisite() ) {
unset( static::$options[ $option_name ], static::$option_names[ $option_name ] );
return;
}
$is_already_registered = array_key_exists( $option_name, static::$options );
if ( ! $is_already_registered ) {
static::$options[ $option_name ] = get_class( $option_instance );
}
if ( $option_instance->include_in_all === true ) {
static::$option_names[ $option_name ] = $option_name;
}
static::$option_instances[ $option_name ] = $option_instance;
if ( ! $is_already_registered ) {
static::clear_cache();
}
}
/**
* Get the group name of an option for use in the settings form.
*
* @param string $option_name The option for which you want to retrieve the option group name.
*
* @return string|bool
*/
public static function get_group_name( $option_name ) {
if ( isset( static::$option_instances[ $option_name ] ) ) {
return static::$option_instances[ $option_name ]->group_name;
}
return false;
}
/**
* Get a specific default value for an option.
*
* @param string $option_name The option for which you want to retrieve a default.
* @param string $key The key within the option who's default you want.
*
* @return mixed
*/
public static function get_default( $option_name, $key ) {
if ( isset( static::$option_instances[ $option_name ] ) ) {
$defaults = static::$option_instances[ $option_name ]->get_defaults();
if ( isset( $defaults[ $key ] ) ) {
return $defaults[ $key ];
}
}
return null;
}
/**
* Update a site_option.
*
* @param string $option_name The option name of the option to save.
* @param mixed $value The new value for the option.
*
* @return bool
*/
public static function update_site_option( $option_name, $value ) {
if ( is_multisite() && isset( static::$option_instances[ $option_name ] ) ) {
return static::$option_instances[ $option_name ]->update_site_option( $value );
}
return false;
}
/**
* Get the instantiated option instance.
*
* @param string $option_name The option for which you want to retrieve the instance.
*
* @return object|bool
*/
public static function get_option_instance( $option_name ) {
if ( isset( static::$option_instances[ $option_name ] ) ) {
return static::$option_instances[ $option_name ];
}
return false;
}
/**
* Retrieve an array of the options which should be included in get_all() and reset().
*
* @return array Array of option names.
*/
public static function get_option_names() {
$option_names = array_values( static::$option_names );
if ( $option_names === [] ) {
foreach ( static::$option_instances as $option_name => $option_object ) {
if ( $option_object->include_in_all === true ) {
$option_names[] = $option_name;
}
}
}
/**
* Filter: wpseo_options - Allow developers to change the option name to include.
*
* @param array $option_names The option names to include in get_all and reset().
*/
return apply_filters( 'wpseo_options', $option_names );
}
/**
* Retrieve all the options for the SEO plugin in one go.
*
* @param array<string> $specific_options The option groups of the option you want to get.
*
* @return array Array combining the values of all the options.
*/
public static function get_all( $specific_options = [] ) {
$option_names = ( empty( $specific_options ) ) ? static::get_option_names() : $specific_options;
static::$option_values = static::get_options( $option_names );
return static::$option_values;
}
/**
* Retrieve one or more options for the SEO plugin.
*
* @param array $option_names An array of option names of the options you want to get.
*
* @return array Array combining the values of the requested options.
*/
public static function get_options( array $option_names ) {
$options = [];
$option_names = array_filter( $option_names, 'is_string' );
foreach ( $option_names as $option_name ) {
if ( isset( static::$option_instances[ $option_name ] ) ) {
$option = static::get_option( $option_name );
if ( $option !== null ) {
$options = array_merge( $options, $option );
}
}
}
return $options;
}
/**
* Retrieve a single option for the SEO plugin.
*
* @param string $option_name The name of the option you want to get.
*
* @return array Array containing the requested option.
*/
public static function get_option( $option_name ) {
$option = null;
if ( is_string( $option_name ) && ! empty( $option_name ) ) {
if ( isset( static::$option_instances[ $option_name ] ) ) {
if ( static::$option_instances[ $option_name ]->multisite_only !== true ) {
$option = get_option( $option_name );
}
else {
$option = get_site_option( $option_name );
}
}
}
return $option;
}
/**
* Retrieve a single field from any option for the SEO plugin. Keys are always unique.
*
* @param string $key The key it should return.
* @param mixed $default_value The default value that should be returned if the key isn't set.
* @param array<string> $option_groups The option groups to retrieve the option from.
*
* @return mixed Returns value if found, $default_value if not.
*/
public static function get( $key, $default_value = null, $option_groups = [] ) {
if ( ! isset( static::$option_values[ $key ] ) ) {
static::prime_cache( $option_groups );
}
if ( isset( static::$option_values[ $key ] ) ) {
return static::$option_values[ $key ];
}
return $default_value;
}
/**
* Resets the cache to null.
*
* @return void
*/
public static function clear_cache() {
static::$option_values = null;
}
/**
* Primes our cache.
*
* @param array<string> $option_groups The option groups to prime the cache with.
*
* @return void
*/
private static function prime_cache( $option_groups = [] ) {
static::$option_values = static::get_all( $option_groups );
static::$option_values = static::add_ms_option( static::$option_values );
}
/**
* Retrieve a single field from an option for the SEO plugin.
*
* @param string $key The key to set.
* @param mixed $value The value to set.
* @param string $option_group The lookup table which represents the option_group where the key is stored.
*
* @return mixed|null Returns value if found, $default if not.
*/
public static function set( $key, $value, $option_group = '' ) {
$lookup_table = static::get_lookup_table( $option_group );
if ( isset( $lookup_table[ $key ] ) ) {
return static::save_option( $lookup_table[ $key ], $key, $value );
}
$patterns = static::get_pattern_table();
foreach ( $patterns as $pattern => $option ) {
if ( strpos( $key, $pattern ) === 0 ) {
return static::save_option( $option, $key, $value );
}
}
static::$option_values[ $key ] = $value;
}
/**
* Get an option only if it's been auto-loaded.
*
* @param string $option The option to retrieve.
* @param mixed $default_value A default value to return.
*
* @return mixed
*/
public static function get_autoloaded_option( $option, $default_value = false ) {
$value = wp_cache_get( $option, 'options' );
if ( $value === false ) {
$passed_default = func_num_args() > 1;
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals -- Using WP native filter.
return apply_filters( "default_option_{$option}", $default_value, $option, $passed_default );
}
// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals -- Using WP native filter.
return apply_filters( "option_{$option}", maybe_unserialize( $value ), $option );
}
/**
* Run the clean up routine for one or all options.
*
* @param array|string|null $option_name Optional. the option you want to clean or an array of
* option names for the options you want to clean.
* If not set, all options will be cleaned.
* @param string|null $current_version Optional. Version from which to upgrade, if not set,
* version specific upgrades will be disregarded.
*
* @return void
*/
public static function clean_up( $option_name = null, $current_version = null ) {
if ( isset( $option_name ) && is_string( $option_name ) && $option_name !== '' ) {
if ( isset( static::$option_instances[ $option_name ] ) ) {
static::$option_instances[ $option_name ]->clean( $current_version );
}
}
elseif ( isset( $option_name ) && is_array( $option_name ) && $option_name !== [] ) {
foreach ( $option_name as $option ) {
if ( isset( static::$option_instances[ $option ] ) ) {
static::$option_instances[ $option ]->clean( $current_version );
}
}
unset( $option );
}
else {
foreach ( static::$option_instances as $instance ) {
$instance->clean( $current_version );
}
unset( $instance );
// If we've done a full clean-up, we can safely remove this really old option.
delete_option( 'wpseo_indexation' );
}
}
/**
* Check that all options exist in the database and add any which don't.
*
* @return void
*/
public static function ensure_options_exist() {
foreach ( static::$option_instances as $instance ) {
$instance->maybe_add_option();
}
}
/**
* Initialize some options on first install/activate/reset.
*
* @return void
*/
public static function initialize() {
/* Force WooThemes to use Yoast SEO data. */
if ( function_exists( 'woo_version_init' ) ) {
update_option( 'seo_woo_use_third_party_data', 'true' );
}
}
/**
* Reset all options to their default values and rerun some tests.
*
* @return void
*/
public static function reset() {
if ( ! is_multisite() ) {
$option_names = static::get_option_names();
if ( is_array( $option_names ) && $option_names !== [] ) {
foreach ( $option_names as $option_name ) {
delete_option( $option_name );
update_option( $option_name, get_option( $option_name ) );
}
}
unset( $option_names );
}
else {
// Reset MS blog based on network default blog setting.
static::reset_ms_blog( get_current_blog_id() );
}
static::initialize();
}
/**
* Initialize default values for a new multisite blog.
*
* @param bool $force_init Whether to always do the initialization routine (title/desc test).
*
* @return void
*/
public static function maybe_set_multisite_defaults( $force_init = false ) {
$option = get_option( 'wpseo' );
if ( is_multisite() ) {
if ( $option['ms_defaults_set'] === false ) {
static::reset_ms_blog( get_current_blog_id() );
static::initialize();
}
elseif ( $force_init === true ) {
static::initialize();
}
}
}
/**
* Reset all options for a specific multisite blog to their default values based upon a
* specified default blog if one was chosen on the network page or the plugin defaults if it was not.
*
* @param int|string $blog_id Blog id of the blog for which to reset the options.
*
* @return void
*/
public static function reset_ms_blog( $blog_id ) {
if ( is_multisite() ) {
$options = get_site_option( 'wpseo_ms' );
$option_names = static::get_option_names();
if ( is_array( $option_names ) && $option_names !== [] ) {
$base_blog_id = $blog_id;
if ( $options['defaultblog'] !== '' && $options['defaultblog'] !== 0 ) {
$base_blog_id = $options['defaultblog'];
}
foreach ( $option_names as $option_name ) {
delete_blog_option( $blog_id, $option_name );
$new_option = get_blog_option( $base_blog_id, $option_name );
/* Remove sensitive, theme dependent and site dependent info. */
if ( isset( static::$option_instances[ $option_name ] ) && static::$option_instances[ $option_name ]->ms_exclude !== [] ) {
foreach ( static::$option_instances[ $option_name ]->ms_exclude as $key ) {
unset( $new_option[ $key ] );
}
}
if ( $option_name === 'wpseo' ) {
$new_option['ms_defaults_set'] = true;
}
update_blog_option( $blog_id, $option_name, $new_option );
}
}
}
}
/**
* Saves the option to the database.
*
* @param string $wpseo_options_group_name The name for the wpseo option group in the database.
* @param string $option_name The name for the option to set.
* @param mixed $option_value The value for the option.
*
* @return bool Returns true if the option is successfully saved in the database.
*/
public static function save_option( $wpseo_options_group_name, $option_name, $option_value ) {
$options = static::get_option( $wpseo_options_group_name );
$options[ $option_name ] = $option_value;
if ( isset( static::$option_instances[ $wpseo_options_group_name ] ) && static::$option_instances[ $wpseo_options_group_name ]->multisite_only === true ) {
static::update_site_option( $wpseo_options_group_name, $options );
}
else {
update_option( $wpseo_options_group_name, $options );
}
// Check if everything got saved properly.
$saved_option = static::get_option( $wpseo_options_group_name );
// Clear our cache.
static::clear_cache();
return $saved_option[ $option_name ] === $options[ $option_name ];
}
/**
* Adds the multisite options to the option stack if relevant.
*
* @param array $option The currently present options settings.
*
* @return array Options possibly including multisite.
*/
protected static function add_ms_option( $option ) {
if ( ! is_multisite() ) {
return $option;
}
$ms_option = static::get_option( 'wpseo_ms' );
if ( $ms_option === null ) {
return $option;
}
return array_merge( $option, $ms_option );
}
/**
* Checks if installation is multisite.
*
* @return bool True when is multisite.
*/
protected static function is_multisite() {
static $is_multisite;
$is_multisite ??= is_multisite();
return $is_multisite;
}
/**
* Retrieves a lookup table to find in which option_group a key is stored.
*
* @param string $option_group The option_group where the key is stored.
*
* @return array The lookup table.
*/
private static function get_lookup_table( $option_group = '' ) {
$lookup_table = [];
$option_groups = ( $option_group === '' ) ? static::$options : [ $option_group => static::$options[ $option_group ] ];
foreach ( array_keys( $option_groups ) as $option_name ) {
$full_option = static::get_option( $option_name );
foreach ( $full_option as $key => $value ) {
$lookup_table[ $key ] = $option_name;
}
}
return $lookup_table;
}
/**
* Retrieves a lookup table to find in which option_group a key is stored.
*
* @return array The lookup table.
*/
private static function get_pattern_table() {
$pattern_table = [];
foreach ( static::$options as $option_name => $option_class ) {
$instance = call_user_func( [ $option_class, 'get_instance' ] );
foreach ( $instance->get_patterns() as $key ) {
$pattern_table[ $key ] = $option_name;
}
}
return $pattern_table;
}
}