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- <?php
- /**
- * User API: WP_User class
- *
- * @package WordPress
- * @subpackage Users
- * @since 4.4.0
- */
- /**
- * Core class used to implement the WP_User object.
- *
- * @since 2.0.0
- *
- * @property string $nickname
- * @property string $description
- * @property string $user_description
- * @property string $first_name
- * @property string $user_firstname
- * @property string $last_name
- * @property string $user_lastname
- * @property string $user_login
- * @property string $user_pass
- * @property string $user_nicename
- * @property string $user_email
- * @property string $user_url
- * @property string $user_registered
- * @property string $user_activation_key
- * @property string $user_status
- * @property int $user_level
- * @property string $display_name
- * @property string $spam
- * @property string $deleted
- * @property string $locale
- * @property string $rich_editing
- * @property string $syntax_highlighting
- * @property string $use_ssl
- */
- #[AllowDynamicProperties]
- class WP_User {
- /**
- * User data container.
- *
- * @since 2.0.0
- * @var stdClass
- */
- public $data;
- /**
- * The user's ID.
- *
- * @since 2.1.0
- * @var int
- */
- public $ID = 0;
- /**
- * Capabilities that the individual user has been granted outside of those inherited from their role.
- *
- * @since 2.0.0
- * @var bool[] Array of key/value pairs where keys represent a capability name
- * and boolean values represent whether the user has that capability.
- */
- public $caps = array();
- /**
- * User metadata option name.
- *
- * @since 2.0.0
- * @var string
- */
- public $cap_key;
- /**
- * The roles the user is part of.
- *
- * @since 2.0.0
- * @var string[]
- */
- public $roles = array();
- /**
- * All capabilities the user has, including individual and role based.
- *
- * @since 2.0.0
- * @var bool[] Array of key/value pairs where keys represent a capability name
- * and boolean values represent whether the user has that capability.
- */
- public $allcaps = array();
- /**
- * The filter context applied to user data fields.
- *
- * @since 2.9.0
- * @var string
- */
- public $filter = null;
- /**
- * The site ID the capabilities of this user are initialized for.
- *
- * @since 4.9.0
- * @var int
- */
- private $site_id = 0;
- /**
- * @since 3.3.0
- * @var array
- */
- private static $back_compat_keys;
- /**
- * Constructor.
- *
- * Retrieves the userdata and passes it to WP_User::init().
- *
- * @since 2.0.0
- *
- * @param int|string|stdClass|WP_User $id User's ID, a WP_User object, or a user object from the DB.
- * @param string $name Optional. User's username
- * @param int $site_id Optional Site ID, defaults to current site.
- */
- public function __construct( $id = 0, $name = '', $site_id = '' ) {
- if ( ! isset( self::$back_compat_keys ) ) {
- $prefix = $GLOBALS['wpdb']->prefix;
- self::$back_compat_keys = array(
- 'user_firstname' => 'first_name',
- 'user_lastname' => 'last_name',
- 'user_description' => 'description',
- 'user_level' => $prefix . 'user_level',
- $prefix . 'usersettings' => $prefix . 'user-settings',
- $prefix . 'usersettingstime' => $prefix . 'user-settings-time',
- );
- }
- if ( $id instanceof WP_User ) {
- $this->init( $id->data, $site_id );
- return;
- } elseif ( is_object( $id ) ) {
- $this->init( $id, $site_id );
- return;
- }
- if ( ! empty( $id ) && ! is_numeric( $id ) ) {
- $name = $id;
- $id = 0;
- }
- if ( $id ) {
- $data = self::get_data_by( 'id', $id );
- } else {
- $data = self::get_data_by( 'login', $name );
- }
- if ( $data ) {
- $this->init( $data, $site_id );
- } else {
- $this->data = new stdClass;
- }
- }
- /**
- * Sets up object properties, including capabilities.
- *
- * @since 3.3.0
- *
- * @param object $data User DB row object.
- * @param int $site_id Optional. The site ID to initialize for.
- */
- public function init( $data, $site_id = '' ) {
- if ( ! isset( $data->ID ) ) {
- $data->ID = 0;
- }
- $this->data = $data;
- $this->ID = (int) $data->ID;
- $this->for_site( $site_id );
- }
- /**
- * Returns only the main user fields.
- *
- * @since 3.3.0
- * @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter.
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param string $field The field to query against: 'id', 'ID', 'slug', 'email' or 'login'.
- * @param string|int $value The field value.
- * @return object|false Raw user object.
- */
- public static function get_data_by( $field, $value ) {
- global $wpdb;
- // 'ID' is an alias of 'id'.
- if ( 'ID' === $field ) {
- $field = 'id';
- }
- if ( 'id' === $field ) {
- // Make sure the value is numeric to avoid casting objects, for example,
- // to int 1.
- if ( ! is_numeric( $value ) ) {
- return false;
- }
- $value = (int) $value;
- if ( $value < 1 ) {
- return false;
- }
- } else {
- $value = trim( $value );
- }
- if ( ! $value ) {
- return false;
- }
- switch ( $field ) {
- case 'id':
- $user_id = $value;
- $db_field = 'ID';
- break;
- case 'slug':
- $user_id = wp_cache_get( $value, 'userslugs' );
- $db_field = 'user_nicename';
- break;
- case 'email':
- $user_id = wp_cache_get( $value, 'useremail' );
- $db_field = 'user_email';
- break;
- case 'login':
- $value = sanitize_user( $value );
- $user_id = wp_cache_get( $value, 'userlogins' );
- $db_field = 'user_login';
- break;
- default:
- return false;
- }
- if ( false !== $user_id ) {
- $user = wp_cache_get( $user_id, 'users' );
- if ( $user ) {
- return $user;
- }
- }
- $user = $wpdb->get_row(
- $wpdb->prepare(
- "SELECT * FROM $wpdb->users WHERE $db_field = %s LIMIT 1",
- $value
- )
- );
- if ( ! $user ) {
- return false;
- }
- update_user_caches( $user );
- return $user;
- }
- /**
- * Magic method for checking the existence of a certain custom field.
- *
- * @since 3.3.0
- *
- * @param string $key User meta key to check if set.
- * @return bool Whether the given user meta key is set.
- */
- public function __isset( $key ) {
- if ( 'id' === $key ) {
- _deprecated_argument(
- 'WP_User->id',
- '2.1.0',
- sprintf(
- /* translators: %s: WP_User->ID */
- __( 'Use %s instead.' ),
- '<code>WP_User->ID</code>'
- )
- );
- $key = 'ID';
- }
- if ( isset( $this->data->$key ) ) {
- return true;
- }
- if ( isset( self::$back_compat_keys[ $key ] ) ) {
- $key = self::$back_compat_keys[ $key ];
- }
- return metadata_exists( 'user', $this->ID, $key );
- }
- /**
- * Magic method for accessing custom fields.
- *
- * @since 3.3.0
- *
- * @param string $key User meta key to retrieve.
- * @return mixed Value of the given user meta key (if set). If `$key` is 'id', the user ID.
- */
- public function __get( $key ) {
- if ( 'id' === $key ) {
- _deprecated_argument(
- 'WP_User->id',
- '2.1.0',
- sprintf(
- /* translators: %s: WP_User->ID */
- __( 'Use %s instead.' ),
- '<code>WP_User->ID</code>'
- )
- );
- return $this->ID;
- }
- if ( isset( $this->data->$key ) ) {
- $value = $this->data->$key;
- } else {
- if ( isset( self::$back_compat_keys[ $key ] ) ) {
- $key = self::$back_compat_keys[ $key ];
- }
- $value = get_user_meta( $this->ID, $key, true );
- }
- if ( $this->filter ) {
- $value = sanitize_user_field( $key, $value, $this->ID, $this->filter );
- }
- return $value;
- }
- /**
- * Magic method for setting custom user fields.
- *
- * This method does not update custom fields in the database. It only stores
- * the value on the WP_User instance.
- *
- * @since 3.3.0
- *
- * @param string $key User meta key.
- * @param mixed $value User meta value.
- */
- public function __set( $key, $value ) {
- if ( 'id' === $key ) {
- _deprecated_argument(
- 'WP_User->id',
- '2.1.0',
- sprintf(
- /* translators: %s: WP_User->ID */
- __( 'Use %s instead.' ),
- '<code>WP_User->ID</code>'
- )
- );
- $this->ID = $value;
- return;
- }
- $this->data->$key = $value;
- }
- /**
- * Magic method for unsetting a certain custom field.
- *
- * @since 4.4.0
- *
- * @param string $key User meta key to unset.
- */
- public function __unset( $key ) {
- if ( 'id' === $key ) {
- _deprecated_argument(
- 'WP_User->id',
- '2.1.0',
- sprintf(
- /* translators: %s: WP_User->ID */
- __( 'Use %s instead.' ),
- '<code>WP_User->ID</code>'
- )
- );
- }
- if ( isset( $this->data->$key ) ) {
- unset( $this->data->$key );
- }
- if ( isset( self::$back_compat_keys[ $key ] ) ) {
- unset( self::$back_compat_keys[ $key ] );
- }
- }
- /**
- * Determines whether the user exists in the database.
- *
- * @since 3.4.0
- *
- * @return bool True if user exists in the database, false if not.
- */
- public function exists() {
- return ! empty( $this->ID );
- }
- /**
- * Retrieves the value of a property or meta key.
- *
- * Retrieves from the users and usermeta table.
- *
- * @since 3.3.0
- *
- * @param string $key Property
- * @return mixed
- */
- public function get( $key ) {
- return $this->__get( $key );
- }
- /**
- * Determines whether a property or meta key is set.
- *
- * Consults the users and usermeta tables.
- *
- * @since 3.3.0
- *
- * @param string $key Property.
- * @return bool
- */
- public function has_prop( $key ) {
- return $this->__isset( $key );
- }
- /**
- * Returns an array representation.
- *
- * @since 3.5.0
- *
- * @return array Array representation.
- */
- public function to_array() {
- return get_object_vars( $this->data );
- }
- /**
- * Makes private/protected methods readable for backward compatibility.
- *
- * @since 4.3.0
- *
- * @param string $name Method to call.
- * @param array $arguments Arguments to pass when calling.
- * @return mixed|false Return value of the callback, false otherwise.
- */
- public function __call( $name, $arguments ) {
- if ( '_init_caps' === $name ) {
- return $this->_init_caps( ...$arguments );
- }
- return false;
- }
- /**
- * Sets up capability object properties.
- *
- * Will set the value for the 'cap_key' property to current database table
- * prefix, followed by 'capabilities'. Will then check to see if the
- * property matching the 'cap_key' exists and is an array. If so, it will be
- * used.
- *
- * @since 2.1.0
- * @deprecated 4.9.0 Use WP_User::for_site()
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param string $cap_key Optional capability key
- */
- protected function _init_caps( $cap_key = '' ) {
- global $wpdb;
- _deprecated_function( __METHOD__, '4.9.0', 'WP_User::for_site()' );
- if ( empty( $cap_key ) ) {
- $this->cap_key = $wpdb->get_blog_prefix( $this->site_id ) . 'capabilities';
- } else {
- $this->cap_key = $cap_key;
- }
- $this->caps = $this->get_caps_data();
- $this->get_role_caps();
- }
- /**
- * Retrieves all of the capabilities of the user's roles, and merges them with
- * individual user capabilities.
- *
- * All of the capabilities of the user's roles are merged with the user's individual
- * capabilities. This means that the user can be denied specific capabilities that
- * their role might have, but the user is specifically denied.
- *
- * @since 2.0.0
- *
- * @return bool[] Array of key/value pairs where keys represent a capability name
- * and boolean values represent whether the user has that capability.
- */
- public function get_role_caps() {
- $switch_site = false;
- if ( is_multisite() && get_current_blog_id() != $this->site_id ) {
- $switch_site = true;
- switch_to_blog( $this->site_id );
- }
- $wp_roles = wp_roles();
- // Filter out caps that are not role names and assign to $this->roles.
- if ( is_array( $this->caps ) ) {
- $this->roles = array_filter( array_keys( $this->caps ), array( $wp_roles, 'is_role' ) );
- }
- // Build $allcaps from role caps, overlay user's $caps.
- $this->allcaps = array();
- foreach ( (array) $this->roles as $role ) {
- $the_role = $wp_roles->get_role( $role );
- $this->allcaps = array_merge( (array) $this->allcaps, (array) $the_role->capabilities );
- }
- $this->allcaps = array_merge( (array) $this->allcaps, (array) $this->caps );
- if ( $switch_site ) {
- restore_current_blog();
- }
- return $this->allcaps;
- }
- /**
- * Adds role to user.
- *
- * Updates the user's meta data option with capabilities and roles.
- *
- * @since 2.0.0
- *
- * @param string $role Role name.
- */
- public function add_role( $role ) {
- if ( empty( $role ) ) {
- return;
- }
- if ( in_array( $role, $this->roles, true ) ) {
- return;
- }
- $this->caps[ $role ] = true;
- update_user_meta( $this->ID, $this->cap_key, $this->caps );
- $this->get_role_caps();
- $this->update_user_level_from_caps();
- /**
- * Fires immediately after the user has been given a new role.
- *
- * @since 4.3.0
- *
- * @param int $user_id The user ID.
- * @param string $role The new role.
- */
- do_action( 'add_user_role', $this->ID, $role );
- }
- /**
- * Removes role from user.
- *
- * @since 2.0.0
- *
- * @param string $role Role name.
- */
- public function remove_role( $role ) {
- if ( ! in_array( $role, $this->roles, true ) ) {
- return;
- }
- unset( $this->caps[ $role ] );
- update_user_meta( $this->ID, $this->cap_key, $this->caps );
- $this->get_role_caps();
- $this->update_user_level_from_caps();
- /**
- * Fires immediately after a role as been removed from a user.
- *
- * @since 4.3.0
- *
- * @param int $user_id The user ID.
- * @param string $role The removed role.
- */
- do_action( 'remove_user_role', $this->ID, $role );
- }
- /**
- * Sets the role of the user.
- *
- * This will remove the previous roles of the user and assign the user the
- * new one. You can set the role to an empty string and it will remove all
- * of the roles from the user.
- *
- * @since 2.0.0
- *
- * @param string $role Role name.
- */
- public function set_role( $role ) {
- if ( 1 === count( $this->roles ) && current( $this->roles ) == $role ) {
- return;
- }
- foreach ( (array) $this->roles as $oldrole ) {
- unset( $this->caps[ $oldrole ] );
- }
- $old_roles = $this->roles;
- if ( ! empty( $role ) ) {
- $this->caps[ $role ] = true;
- $this->roles = array( $role => true );
- } else {
- $this->roles = array();
- }
- update_user_meta( $this->ID, $this->cap_key, $this->caps );
- $this->get_role_caps();
- $this->update_user_level_from_caps();
- foreach ( $old_roles as $old_role ) {
- if ( ! $old_role || $old_role === $role ) {
- continue;
- }
- /** This action is documented in wp-includes/class-wp-user.php */
- do_action( 'remove_user_role', $this->ID, $old_role );
- }
- if ( $role && ! in_array( $role, $old_roles, true ) ) {
- /** This action is documented in wp-includes/class-wp-user.php */
- do_action( 'add_user_role', $this->ID, $role );
- }
- /**
- * Fires after the user's role has changed.
- *
- * @since 2.9.0
- * @since 3.6.0 Added $old_roles to include an array of the user's previous roles.
- *
- * @param int $user_id The user ID.
- * @param string $role The new role.
- * @param string[] $old_roles An array of the user's previous roles.
- */
- do_action( 'set_user_role', $this->ID, $role, $old_roles );
- }
- /**
- * Chooses the maximum level the user has.
- *
- * Will compare the level from the $item parameter against the $max
- * parameter. If the item is incorrect, then just the $max parameter value
- * will be returned.
- *
- * Used to get the max level based on the capabilities the user has. This
- * is also based on roles, so if the user is assigned the Administrator role
- * then the capability 'level_10' will exist and the user will get that
- * value.
- *
- * @since 2.0.0
- *
- * @param int $max Max level of user.
- * @param string $item Level capability name.
- * @return int Max Level.
- */
- public function level_reduction( $max, $item ) {
- if ( preg_match( '/^level_(10|[0-9])$/i', $item, $matches ) ) {
- $level = (int) $matches[1];
- return max( $max, $level );
- } else {
- return $max;
- }
- }
- /**
- * Updates the maximum user level for the user.
- *
- * Updates the 'user_level' user metadata (includes prefix that is the
- * database table prefix) with the maximum user level. Gets the value from
- * the all of the capabilities that the user has.
- *
- * @since 2.0.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- */
- public function update_user_level_from_caps() {
- global $wpdb;
- $this->user_level = array_reduce( array_keys( $this->allcaps ), array( $this, 'level_reduction' ), 0 );
- update_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level', $this->user_level );
- }
- /**
- * Adds capability and grant or deny access to capability.
- *
- * @since 2.0.0
- *
- * @param string $cap Capability name.
- * @param bool $grant Whether to grant capability to user.
- */
- public function add_cap( $cap, $grant = true ) {
- $this->caps[ $cap ] = $grant;
- update_user_meta( $this->ID, $this->cap_key, $this->caps );
- $this->get_role_caps();
- $this->update_user_level_from_caps();
- }
- /**
- * Removes capability from user.
- *
- * @since 2.0.0
- *
- * @param string $cap Capability name.
- */
- public function remove_cap( $cap ) {
- if ( ! isset( $this->caps[ $cap ] ) ) {
- return;
- }
- unset( $this->caps[ $cap ] );
- update_user_meta( $this->ID, $this->cap_key, $this->caps );
- $this->get_role_caps();
- $this->update_user_level_from_caps();
- }
- /**
- * Removes all of the capabilities of the user.
- *
- * @since 2.1.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- */
- public function remove_all_caps() {
- global $wpdb;
- $this->caps = array();
- delete_user_meta( $this->ID, $this->cap_key );
- delete_user_meta( $this->ID, $wpdb->get_blog_prefix() . 'user_level' );
- $this->get_role_caps();
- }
- /**
- * Returns whether the user has the specified capability.
- *
- * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta
- * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to
- * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`.
- *
- * Example usage:
- *
- * $user->has_cap( 'edit_posts' );
- * $user->has_cap( 'edit_post', $post->ID );
- * $user->has_cap( 'edit_post_meta', $post->ID, $meta_key );
- *
- * While checking against a role in place of a capability is supported in part, this practice is discouraged as it
- * may produce unreliable results.
- *
- * @since 2.0.0
- * @since 5.3.0 Formalized the existing and already documented `...$args` parameter
- * by adding it to the function signature.
- *
- * @see map_meta_cap()
- *
- * @param string $cap Capability name.
- * @param mixed ...$args Optional further parameters, typically starting with an object ID.
- * @return bool Whether the user has the given capability, or, if an object ID is passed, whether the user has
- * the given capability for that object.
- */
- public function has_cap( $cap, ...$args ) {
- if ( is_numeric( $cap ) ) {
- _deprecated_argument( __FUNCTION__, '2.0.0', __( 'Usage of user levels is deprecated. Use capabilities instead.' ) );
- $cap = $this->translate_level_to_cap( $cap );
- }
- $caps = map_meta_cap( $cap, $this->ID, ...$args );
- // Multisite super admin has all caps by definition, Unless specifically denied.
- if ( is_multisite() && is_super_admin( $this->ID ) ) {
- if ( in_array( 'do_not_allow', $caps, true ) ) {
- return false;
- }
- return true;
- }
- // Maintain BC for the argument passed to the "user_has_cap" filter.
- $args = array_merge( array( $cap, $this->ID ), $args );
- /**
- * Dynamically filter a user's capabilities.
- *
- * @since 2.0.0
- * @since 3.7.0 Added the `$user` parameter.
- *
- * @param bool[] $allcaps Array of key/value pairs where keys represent a capability name
- * and boolean values represent whether the user has that capability.
- * @param string[] $caps Required primitive capabilities for the requested capability.
- * @param array $args {
- * Arguments that accompany the requested capability check.
- *
- * @type string $0 Requested capability.
- * @type int $1 Concerned user ID.
- * @type mixed ...$2 Optional second and further parameters, typically object ID.
- * }
- * @param WP_User $user The user object.
- */
- $capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args, $this );
- // Everyone is allowed to exist.
- $capabilities['exist'] = true;
- // Nobody is allowed to do things they are not allowed to do.
- unset( $capabilities['do_not_allow'] );
- // Must have ALL requested caps.
- foreach ( (array) $caps as $cap ) {
- if ( empty( $capabilities[ $cap ] ) ) {
- return false;
- }
- }
- return true;
- }
- /**
- * Converts numeric level to level capability name.
- *
- * Prepends 'level_' to level number.
- *
- * @since 2.0.0
- *
- * @param int $level Level number, 1 to 10.
- * @return string
- */
- public function translate_level_to_cap( $level ) {
- return 'level_' . $level;
- }
- /**
- * Sets the site to operate on. Defaults to the current site.
- *
- * @since 3.0.0
- * @deprecated 4.9.0 Use WP_User::for_site()
- *
- * @param int $blog_id Optional. Site ID, defaults to current site.
- */
- public function for_blog( $blog_id = '' ) {
- _deprecated_function( __METHOD__, '4.9.0', 'WP_User::for_site()' );
- $this->for_site( $blog_id );
- }
- /**
- * Sets the site to operate on. Defaults to the current site.
- *
- * @since 4.9.0
- *
- * @global wpdb $wpdb WordPress database abstraction object.
- *
- * @param int $site_id Site ID to initialize user capabilities for. Default is the current site.
- */
- public function for_site( $site_id = '' ) {
- global $wpdb;
- if ( ! empty( $site_id ) ) {
- $this->site_id = absint( $site_id );
- } else {
- $this->site_id = get_current_blog_id();
- }
- $this->cap_key = $wpdb->get_blog_prefix( $this->site_id ) . 'capabilities';
- $this->caps = $this->get_caps_data();
- $this->get_role_caps();
- }
- /**
- * Gets the ID of the site for which the user's capabilities are currently initialized.
- *
- * @since 4.9.0
- *
- * @return int Site ID.
- */
- public function get_site_id() {
- return $this->site_id;
- }
- /**
- * Gets the available user capabilities data.
- *
- * @since 4.9.0
- *
- * @return bool[] List of capabilities keyed by the capability name,
- * e.g. array( 'edit_posts' => true, 'delete_posts' => false ).
- */
- private function get_caps_data() {
- $caps = get_user_meta( $this->ID, $this->cap_key, true );
- if ( ! is_array( $caps ) ) {
- return array();
- }
- return $caps;
- }
- }
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