) $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;
	}
}
 or other layouts.' ),
		)
	);
	register_block_pattern_category(
		'footer',
		array(
			'label'       => _x( 'Footers', 'Block pattern category' ),
			'description' => __( 'A variety of footer designs displaying information and site navigation.' ),
		)
	);
	register_block_pattern_category(
		'header',
		array(
			'label'       => _x( 'Headers', 'Block pattern category' ),
			'description' => __( 'A variety of header designs displaying your site title and navigation.' ),
		)
	);
}

/**
 * Normalize the pattern properties to camelCase.
 *
 * The API's format is snake_case, `register_block_pattern()` expects camelCase.
 *
 * @since 6.2.0
 * @access private
 *
 * @param array $pattern Pattern as returned from the Pattern Directory API.
 * @return array Normalized pattern.
 */
function wp_normalize_remote_block_pattern( $pattern ) {
	if ( isset( $pattern['block_types'] ) ) {
		$pattern['blockTypes'] = $pattern['block_types'];
		unset( $pattern['block_types'] );
	}

	if ( isset( $pattern['viewport_width'] ) ) {
		$pattern['viewportWidth'] = $pattern['viewport_width'];
		unset( $pattern['viewport_width'] );
	}

	return (array) $pattern;
}

/**
 * Register Core's official patterns from wordpress.org/patterns.
 *
 * @since 5.8.0
 * @since 5.9.0 The $current_screen argument was removed.
 * @since 6.2.0 Normalize the pattern from the API (snake_case) to the
 *              format expected by `register_block_pattern` (camelCase).
 * @since 6.3.0 Add 'pattern-directory/core' to the pattern's 'source'.
 *
 * @param WP_Screen $deprecated Unused. Formerly the screen that the current request was triggered from.
 */
function _load_remote_block_patterns( $deprecated = null ) {
	if ( ! empty( $deprecated ) ) {
		_deprecated_argument( __FUNCTION__, '5.9.0' );
		$current_screen = $deprecated;
		if ( ! $current_screen->is_block_editor ) {
			return;
		}
	}

	$supports_core_patterns = get_theme_support( 'core-block-patterns' );

	/**
	 * Filter to disable remote block patterns.
	 *
	 * @since 5.8.0
	 *
	 * @param bool $should_load_remote
	 */
	$should_load_remote = apply_filters( 'should_load_remote_block_patterns', true );

	if ( $supports_core_patterns && $should_load_remote ) {
		$request         = new WP_REST_Request( 'GET', '/wp/v2/pattern-directory/patterns' );
		$core_keyword_id = 11; // 11 is the ID for "core".
		$request->set_param( 'keyword', $core_keyword_id );
		$response = rest_do_request( $request );
		if ( $response->is_error() ) {
			return;
		}
		$patterns = $response->get_data();

		foreach ( $patterns as $pattern ) {
			$pattern['source']  = 'pattern-directory/core';
			$normalized_pattern = wp_normalize_remote_block_pattern( $pattern );
			$pattern_name       = 'core/' . sanitize_title( $normalized_pattern['title'] );
			register_block_pattern( $pattern_name, $normalized_pattern );
		}
	}
}

/**
 * Register `Featured` (category) patterns from wordpress.org/patterns.
 *
 * @since 5.9.0
 * @since 6.2.0 Normalized the pattern from the API (snake_case) to the
 *              format expected by `register_block_pattern()` (camelCase).
 * @since 6.3.0 Add 'pattern-directory/featured' to the pattern's 'source'.
 */
function _load_remote_featured_patterns() {
	$supports_core_patterns = get_theme_support( 'core-block-patterns' );

	/** This filter is documented in wp-includes/block-patterns.php */
	$should_load_remote = apply_filters( 'should_load_remote_block_patterns', true );

	if ( ! $should_load_remote || ! $supports_core_patterns ) {
		return;
	}

	$request         = new WP_REST_Request( 'GET', '/wp/v2/pattern-directory/patterns' );
	$featured_cat_id = 26; // This is the `Featured` category id from pattern directory.
	$request->set_param( 'category', $featured_cat_id );
	$response = rest_do_request( $request );
	if ( $response->is_error() ) {
		return;
	}
	$patterns = $response->get_data();
	$registry = WP_Block_Patterns_Registry::get_instance();
	foreach ( $patterns as $pattern ) {
		$pattern['source']  = 'pattern-directory/featured';
		$normalized_pattern = wp_normalize_remote_block_pattern( $pattern );
		$pattern_name       = sanitize_title( $normalized_pattern['title'] );
		// Some patterns might be already registered as core patterns with the `core` prefix.
		$is_registered = $registry->is_registered( $pattern_name ) || $registry->is_registered( "core/$pattern_name" );
		if ( ! $is_registered ) {
			register_block_pattern( $pattern_name, $normalized_pattern );
		}
	}
}

/**
 * Registers patterns from Pattern Directory provided by a theme's
 * `theme.json` file.
 *
 * @since 6.0.0
 * @since 6.2.0 Normalized the pattern from the API (snake_case) to the
 *              format expected by `register_block_pattern()` (camelCase).
 * @since 6.3.0 Add 'pattern-directory/theme' to the pattern's 'source'.
 * @access private
 */
function _register_remote_theme_patterns() {
	/** This filter is documented in wp-includes/block-patterns.php */
	if ( ! apply_filters( 'should_load_remote_block_patterns', true ) ) {
		return;
	}

	if ( ! wp_theme_has_theme_json() ) {
		return;
	}

	$pattern_settings = wp_get_theme_directory_pattern_slugs();
	if ( empty( $pattern_settings ) ) {
		return;
	}

	$request         = new WP_REST_Request( 'GET', '/wp/v2/pattern-directory/patterns' );
	$request['slug'] = $pattern_settings;
	$response        = rest_do_request( $request );
	if ( $response->is_error() ) {
		return;
	}
	$patterns          = $response->get_data();
	$patterns_registry = WP_Block_Patterns_Registry::get_instance();
	foreach ( $patterns as $pattern ) {
		$pattern['source']  = 'pattern-directory/theme';
		$normalized_pattern = wp_normalize_remote_block_pattern( $pattern );
		$pattern_name       = sanitize_title( $normalized_pattern['title'] );
		// Some patterns might be already registered as core patterns with the `core` prefix.
		$is_registered = $patterns_registry->is_registered( $pattern_name ) || $patterns_registry->is_registered( "core/$pattern_name" );
		if ( ! $is_registered ) {
			register_block_pattern( $pattern_name, $normalized_pattern );
		}
	}
}

/**
 * Register any patterns that the active theme may provide under its
 * `./patterns/` directory. Each pattern is defined as a PHP file and defines
 * its metadata using plugin-style headers. The minimum required definition is:
 *
 *     /**
 *      * Title: My Pattern
 *      * Slug: my-theme/my-pattern
 *      *
 *
 * The output of the PHP source corresponds to the content of the pattern, e.g.:
 *
 *     <main><p>Hello</p></main>
 *
 * If applicable, this will collect from both parent and child theme.
 *
 * Other settable fields include:
 *
 *   - Description
 *   - Viewport Width
 *   - Inserter         (yes/no)
 *   - Categories       (comma-separated values)
 *   - Keywords         (comma-separated values)
 *   - Block Types      (comma-separated values)
 *   - Post Types       (comma-separated values)
 *   - Template Types   (comma-separated values)
 *
 * @since 6.0.0
 * @since 6.1.0 The `postTypes` property was added.
 * @since 6.2.0 The `templateTypes` property was added.
 * @access private
 */
function _register_theme_block_patterns() {
	$default_headers = array(
		'title'         => 'Title',
		'slug'          => 'Slug',
		'description'   => 'Description',
		'viewportWidth' => 'Viewport Width',
		'inserter'      => 'Inserter',
		'categories'    => 'Categories',
		'keywords'      => 'Keywords',
		'blockTypes'    => 'Block Types',
		'postTypes'     => 'Post Types',
		'templateTypes' => 'Template Types',
	);

	/*
	 * Register patterns for the active theme. If the theme is a child theme,
	 * let it override any patterns from the parent theme that shares the same slug.
	 */
	$themes     = array();
	$stylesheet = get_stylesheet();
	$template   = get_template();
	if ( $stylesheet !== $template ) {
		$themes[] = wp_get_theme( $stylesheet );
	}
	$themes[] = wp_get_theme( $template );

	foreach ( $themes as $theme ) {
		$dirpath = $theme->get_stylesheet_directory() . '/patterns/';
		if ( ! is_dir( $dirpath ) || ! is_readable( $dirpath ) ) {
			continue;
		}
		if ( file_exists( $dirpath ) ) {
			$files = glob( $dirpath . '*.php' );
			if ( $files ) {
				foreach ( $files as $file ) {
					$pattern_data = get_file_data( $file, $default_headers );

					if ( empty( $pattern_data['slug'] ) ) {
						_doing_it_wrong(
							'_register_theme_block_patterns',
							sprintf(
								/* translators: %s: file name. */
								__( 'Could not register file "%s" as a block pattern ("Slug" field missing)' ),
								$file
							),
							'6.0.0'
						);
						continue;
					}

					if ( ! preg_match( '/^[A-z0-9\/_-]+$/', $pattern_data['slug'] ) ) {
						_doing_it_wrong(
							'_register_theme_block_patterns',
							sprintf(
								/* translators: %1s: file name; %2s: slug value found. */
								__( 'Could not register file "%1$s" as a block pattern (invalid slug "%2$s")' ),
								$file,
								$pattern_data['slug']
							),
							'6.0.0'
						);
					}

					if ( WP_Block_Patterns_Registry::get_instance()->is_registered( $pattern_data['slug'] ) ) {
						continue;
					}

					// Title is a required property.
					if ( ! $pattern_data['title'] ) {
						_doing_it_wrong(
							'_register_theme_block_patterns',
							sprintf(
								/* translators: %1s: file name; %2s: slug value found. */
								__( 'Could not register file "%s" as a block pattern ("Title" field missing)' ),
								$file
							),
							'6.0.0'
						);
						continue;
					}

					// For properties of type array, parse data as comma-separated.
					foreach ( array( 'categories', 'keywords', 'blockTypes', 'postTypes', 'templateTypes' ) as $property ) {
						if ( ! empty( $pattern_data[ $property ] ) ) {
							$pattern_data[ $property ] = array_filter(
								preg_split(
									'/[\s,]+/',
									(string) $pattern_data[ $property ]
								)
							);
						} else {
							unset( $pattern_data[ $property ] );
						}
					}

					// Parse properties of type int.
					foreach ( array( 'viewportWidth' ) as $property ) {
						if ( ! empty( $pattern_data[ $property ] ) ) {
							$pattern_data[ $property ] = (int) $pattern_data[ $property ];
						} else {
							unset( $pattern_data[ $property ] );
						}
					}

					// Parse properties of type bool.
					foreach ( array( 'inserter' ) as $property ) {
						if ( ! empty( $pattern_data[ $property ] ) ) {
							$pattern_data[ $property ] = in_array(
								strtolower( $pattern_data[ $property ] ),
								array( 'yes', 'true' ),
								true
							);
						} else {
							unset( $pattern_data[ $property ] );
						}
					}

					// Translate the pattern metadata.
					$text_domain = $theme->get( 'TextDomain' );
					//phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText, WordPress.WP.I18n.NonSingularStringLiteralContext, WordPress.WP.I18n.NonSingularStringLiteralDomain, WordPress.WP.I18n.LowLevelTranslationFunction
					$pattern_data['title'] = translate_with_gettext_context( $pattern_data['title'], 'Pattern title', $text_domain );
					if ( ! empty( $pattern_data['description'] ) ) {
						//phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText, WordPress.WP.I18n.NonSingularStringLiteralContext, WordPress.WP.I18n.NonSingularStringLiteralDomain, WordPress.WP.I18n.LowLevelTranslationFunction
						$pattern_data['description'] = translate_with_gettext_context( $pattern_data['description'], 'Pattern description', $text_domain );
					}

					// The actual pattern content is the output of the file.
					ob_start();
					include $file;
					$pattern_data['content'] = ob_get_clean();
					if ( ! $pattern_data['content'] ) {
						continue;
					}

					register_block_pattern( $pattern_data['slug'], $pattern_data );
				}
			}
		}
	}
}
add_action( 'init', '_register_theme_block_patterns' );