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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Internals\Options

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/**

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* Overall Option Management class.

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* Instantiates all the options and offers a number of utility methods to work with the options.

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class WPSEO_Options {

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/**

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* The option values.

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* @var array|null

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protected static $option_values = null;

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/**

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* Options this class uses.

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* @var array Array format: (string) option_name => (string) name of concrete class for the option.

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public static $options = [

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'wpseo' => 'WPSEO_Option_Wpseo',

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'wpseo_titles' => 'WPSEO_Option_Titles',

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'wpseo_social' => 'WPSEO_Option_Social',

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'wpseo_ms' => 'WPSEO_Option_MS',

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'wpseo_taxonomy_meta' => 'WPSEO_Taxonomy_Meta',

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];

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/**

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* Array of instantiated option objects.

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* @var array

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protected static $option_instances = [];

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/**

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* Array with the option names.

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* @var array

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protected static $option_names = [];

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/**

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* Instance of this class.

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* @var WPSEO_Options

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protected static $instance;

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/**

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* Instantiate all the WPSEO option management classes.

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protected function __construct() {

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$this->register_hooks();

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foreach ( static::$options as $option_class ) {

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static::register_option( call_user_func( [ $option_class, 'get_instance' ] ) );

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}

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}

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/**

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* Register our hooks.

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* @return void

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public function register_hooks() {

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add_action( 'registered_taxonomy', [ $this, 'clear_cache' ] );

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add_action( 'unregistered_taxonomy', [ $this, 'clear_cache' ] );

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add_action( 'registered_post_type', [ $this, 'clear_cache' ] );

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add_action( 'unregistered_post_type', [ $this, 'clear_cache' ] );

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}

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/**

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* Get the singleton instance of this class.

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* @return object

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public static function get_instance() {

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if ( ! ( static::$instance instanceof self ) ) {

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static::$instance = new self();

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}

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return static::$instance;

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}

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/**

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* Registers an option to the options list.

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* @param WPSEO_Option $option_instance Instance of the option.

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* @return void

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public static function register_option( WPSEO_Option $option_instance ) {

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$option_name = $option_instance->get_option_name();

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if ( $option_instance->multisite_only && ! static::is_multisite() ) {

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unset( static::$options[ $option_name ], static::$option_names[ $option_name ] );

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return;

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}

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$is_already_registered = array_key_exists( $option_name, static::$options );

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if ( ! $is_already_registered ) {

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static::$options[ $option_name ] = get_class( $option_instance );

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}

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if ( $option_instance->include_in_all === true ) {

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static::$option_names[ $option_name ] = $option_name;

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}

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static::$option_instances[ $option_name ] = $option_instance;

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if ( ! $is_already_registered ) {

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static::clear_cache();

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}

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}

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/**

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* Get the group name of an option for use in the settings form.

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* @param string $option_name The option for which you want to retrieve the option group name.

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* @return string|bool

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public static function get_group_name( $option_name ) {

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if ( isset( static::$option_instances[ $option_name ] ) ) {

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return static::$option_instances[ $option_name ]->group_name;

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}

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return false;

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}

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/**

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* Get a specific default value for an option.

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* @param string $option_name The option for which you want to retrieve a default.

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* @param string $key The key within the option who's default you want.

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* @return mixed

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public static function get_default( $option_name, $key ) {

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if ( isset( static::$option_instances[ $option_name ] ) ) {

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$defaults = static::$option_instances[ $option_name ]->get_defaults();

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if ( isset( $defaults[ $key ] ) ) {

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return $defaults[ $key ];

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}

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}

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return null;

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}

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/**

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* Update a site_option.

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* @param string $option_name The option name of the option to save.

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* @param mixed $value The new value for the option.

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* @return bool

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public static function update_site_option( $option_name, $value ) {

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if ( is_multisite() && isset( static::$option_instances[ $option_name ] ) ) {

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return static::$option_instances[ $option_name ]->update_site_option( $value );

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}

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return false;

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}

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/**

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* Get the instantiated option instance.

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* @param string $option_name The option for which you want to retrieve the instance.

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* @return object|bool

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public static function get_option_instance( $option_name ) {

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if ( isset( static::$option_instances[ $option_name ] ) ) {

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return static::$option_instances[ $option_name ];

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}

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return false;

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}

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/**

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* Retrieve an array of the options which should be included in get_all() and reset().

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* @return array Array of option names.

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public static function get_option_names() {

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$option_names = array_values( static::$option_names );

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if ( $option_names === [] ) {

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foreach ( static::$option_instances as $option_name => $option_object ) {

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if ( $option_object->include_in_all === true ) {

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$option_names[] = $option_name;

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}

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}

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}

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/**

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* Filter: wpseo_options - Allow developers to change the option name to include.

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* @param array $option_names The option names to include in get_all and reset().

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return apply_filters( 'wpseo_options', $option_names );

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}

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/**

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* Retrieve all the options for the SEO plugin in one go.

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* @return array Array combining the values of all the options.

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public static function get_all() {

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static::$option_values = static::get_options( static::get_option_names() );

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return static::$option_values;

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}

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/**

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* Retrieve one or more options for the SEO plugin.

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* @param array $option_names An array of option names of the options you want to get.

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* @return array Array combining the values of the requested options.

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public static function get_options( array $option_names ) {

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$options = [];

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$option_names = array_filter( $option_names, 'is_string' );

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foreach ( $option_names as $option_name ) {

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if ( isset( static::$option_instances[ $option_name ] ) ) {

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$option = static::get_option( $option_name );

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if ( $option !== null ) {

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$options = array_merge( $options, $option );

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}

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}

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}

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return $options;

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}

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/**

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* Retrieve a single option for the SEO plugin.

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* @param string $option_name The name of the option you want to get.

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* @return array Array containing the requested option.

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public static function get_option( $option_name ) {

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$option = null;

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if ( is_string( $option_name ) && ! empty( $option_name ) ) {

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if ( isset( static::$option_instances[ $option_name ] ) ) {

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if ( static::$option_instances[ $option_name ]->multisite_only !== true ) {

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$option = get_option( $option_name );

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}

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else {

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$option = get_site_option( $option_name );

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}

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}

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}

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return $option;

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}

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/**

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* Retrieve a single field from any option for the SEO plugin. Keys are always unique.

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* @param string $key The key it should return.

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* @param mixed $default_value The default value that should be returned if the key isn't set.

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* @return mixed Returns value if found, $default_value if not.

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public static function get( $key, $default_value = null ) {

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if ( static::$option_values === null ) {

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static::prime_cache();

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}

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if ( isset( static::$option_values[ $key ] ) ) {

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return static::$option_values[ $key ];

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}

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return $default_value;

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}

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/**

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* Resets the cache to null.

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* @return void

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public static function clear_cache() {

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static::$option_values = null;

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}

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/**

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* Primes our cache.

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* @return void

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private static function prime_cache() {

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static::$option_values = static::get_all();

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static::$option_values = static::add_ms_option( static::$option_values );

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}

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/**

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* Retrieve a single field from an option for the SEO plugin.

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* @param string $key The key to set.

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* @param mixed $value The value to set.

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* @return mixed|null Returns value if found, $default if not.

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public static function set( $key, $value ) {

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$lookup_table = static::get_lookup_table();

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if ( isset( $lookup_table[ $key ] ) ) {

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return static::save_option( $lookup_table[ $key ], $key, $value );

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}

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$patterns = static::get_pattern_table();

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foreach ( $patterns as $pattern => $option ) {

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if ( strpos( $key, $pattern ) === 0 ) {

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return static::save_option( $option, $key, $value );

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}

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}

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static::$option_values[ $key ] = $value;

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}

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/**

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* Get an option only if it's been auto-loaded.

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* @param string $option The option to retrieve.

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* @param mixed $default_value A default value to return.

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* @return mixed

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public static function get_autoloaded_option( $option, $default_value = false ) {

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$value = wp_cache_get( $option, 'options' );

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if ( $value === false ) {

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$passed_default = func_num_args() > 1;

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// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals -- Using WP native filter.

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return apply_filters( "default_option_{$option}", $default_value, $option, $passed_default );

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}

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// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals -- Using WP native filter.

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return apply_filters( "option_{$option}", maybe_unserialize( $value ), $option );

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}

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/**

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* Run the clean up routine for one or all options.

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* @param array|string|null $option_name Optional. the option you want to clean or an array of

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* option names for the options you want to clean.

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* If not set, all options will be cleaned.

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* @param string|null $current_version Optional. Version from which to upgrade, if not set,

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* version specific upgrades will be disregarded.

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* @return void

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public static function clean_up( $option_name = null, $current_version = null ) {

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if ( isset( $option_name ) && is_string( $option_name ) && $option_name !== '' ) {

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if ( isset( static::$option_instances[ $option_name ] ) ) {

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static::$option_instances[ $option_name ]->clean( $current_version );

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}

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}

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elseif ( isset( $option_name ) && is_array( $option_name ) && $option_name !== [] ) {

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foreach ( $option_name as $option ) {

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if ( isset( static::$option_instances[ $option ] ) ) {

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static::$option_instances[ $option ]->clean( $current_version );

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}

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}

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unset( $option );

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}

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else {

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foreach ( static::$option_instances as $instance ) {

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$instance->clean( $current_version );

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}

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unset( $instance );

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// If we've done a full clean-up, we can safely remove this really old option.

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delete_option( 'wpseo_indexation' );

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}

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}

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/**

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* Check that all options exist in the database and add any which don't.

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* @return void

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public static function ensure_options_exist() {

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foreach ( static::$option_instances as $instance ) {

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$instance->maybe_add_option();

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}

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}

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/**

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* Initialize some options on first install/activate/reset.

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* @return void

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public static function initialize() {

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/* Force WooThemes to use Yoast SEO data. */

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if ( function_exists( 'woo_version_init' ) ) {

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update_option( 'seo_woo_use_third_party_data', 'true' );

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}

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}

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/**

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* Reset all options to their default values and rerun some tests.

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* @return void

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public static function reset() {

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if ( ! is_multisite() ) {

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$option_names = static::get_option_names();

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if ( is_array( $option_names ) && $option_names !== [] ) {

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foreach ( $option_names as $option_name ) {

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delete_option( $option_name );

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update_option( $option_name, get_option( $option_name ) );

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}

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}

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unset( $option_names );

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}

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else {

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// Reset MS blog based on network default blog setting.

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static::reset_ms_blog( get_current_blog_id() );

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}

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static::initialize();

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}

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/**

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* Initialize default values for a new multisite blog.

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* @param bool $force_init Whether to always do the initialization routine (title/desc test).

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* @return void

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public static function maybe_set_multisite_defaults( $force_init = false ) {

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$option = get_option( 'wpseo' );

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if ( is_multisite() ) {

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if ( $option['ms_defaults_set'] === false ) {

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static::reset_ms_blog( get_current_blog_id() );

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static::initialize();

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}

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elseif ( $force_init === true ) {

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static::initialize();

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}

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}

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}

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/**

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* Reset all options for a specific multisite blog to their default values based upon a

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* specified default blog if one was chosen on the network page or the plugin defaults if it was not.

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* @param int|string $blog_id Blog id of the blog for which to reset the options.

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* @return void

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public static function reset_ms_blog( $blog_id ) {

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if ( is_multisite() ) {

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$options = get_site_option( 'wpseo_ms' );

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$option_names = static::get_option_names();

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if ( is_array( $option_names ) && $option_names !== [] ) {

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$base_blog_id = $blog_id;

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if ( $options['defaultblog'] !== '' && $options['defaultblog'] !== 0 ) {

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$base_blog_id = $options['defaultblog'];

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}

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foreach ( $option_names as $option_name ) {

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delete_blog_option( $blog_id, $option_name );

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$new_option = get_blog_option( $base_blog_id, $option_name );

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/* Remove sensitive, theme dependent and site dependent info. */

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if ( isset( static::$option_instances[ $option_name ] ) && static::$option_instances[ $option_name ]->ms_exclude !== [] ) {

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foreach ( static::$option_instances[ $option_name ]->ms_exclude as $key ) {

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unset( $new_option[ $key ] );

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}

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}

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if ( $option_name === 'wpseo' ) {

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$new_option['ms_defaults_set'] = true;

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}

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update_blog_option( $blog_id, $option_name, $new_option );

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}

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}

[493] Fix | Delete

}

[494] Fix | Delete

}

[495] Fix | Delete

[496] Fix | Delete

/**

[497] Fix | Delete

* Saves the option to the database.

[498] Fix | Delete

[499] Fix | Delete