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✏️ Editing: User_Options.php

<?php
/**
 * Class Google\Site_Kit\Core\Storage\User_Options
 *
 * @package   Google\Site_Kit
 * @copyright 2019 Google LLC
 * @license   https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
 * @link      https://sitekit.withgoogle.com
 */

namespace Google\Site_Kit\Core\Storage;

use Google\Site_Kit\Context;

/**
 * Class providing access to per-user options.
 *
 * It uses user options (which are per site) or user meta, depending on in which mode the plugin is running.
 *
 * @since 1.0.0
 * @access private
 * @ignore
 */
final class User_Options implements User_Options_Interface {

/**
	 * Plugin context.
	 *
	 * @since 1.0.0
	 * @var Context
	 */
	private $context;

/**
	 * User ID for whom options should be managed.
	 *
	 * @since 1.0.0
	 * @var int
	 */
	private $user_id;

/**
	 * Constructor.
	 *
	 * @since 1.0.0
	 *
	 * @param Context $context Plugin context.
	 * @param int     $user_id Optional. User ID for whom options should be managed. Default is the current user.
	 */
	public function __construct( Context $context, $user_id = 0 ) {
		$this->context = $context;

if ( empty( $user_id ) ) {
			$user_id = get_current_user_id();
		}
		$this->user_id = (int) $user_id;
	}

/**
	 * Gets the value of the given user option.
	 *
	 * @since 1.0.0
	 *
	 * @param string $option User option name.
	 * @return mixed Value set for the user option, or false if not set.
	 */
	public function get( $option ) {
		if ( ! $this->user_id ) {
			return false;
		}

if ( $this->context->is_network_mode() ) {
			$value = get_user_meta( $this->user_id, $option );
			if ( empty( $value ) ) {
				return false;
			}

return $value[0];
		}

return get_user_option( $option, $this->user_id );
	}

/**
	 * Sets the value for a user option.
	 *
	 * @since 1.0.0
	 *
	 * @param string $option User option name.
	 * @param mixed  $value User option value. Must be serializable if non-scalar.
	 * @return bool True on success, false on failure.
	 */
	public function set( $option, $value ) {
		if ( ! $this->user_id ) {
			return false;
		}

if ( $this->context->is_network_mode() ) {
			return (bool) update_user_meta( $this->user_id, $option, $value );
		}

return (bool) update_user_option( $this->user_id, $option, $value );
	}

/**
	 * Deletes the given user option.
	 *
	 * @since 1.0.0
	 *
	 * @param string $option User option name.
	 * @return bool True on success, false on failure.
	 */
	public function delete( $option ) {
		if ( ! $this->user_id ) {
			return false;
		}

if ( $this->context->is_network_mode() ) {
			return (bool) delete_user_meta( $this->user_id, $option );
		}

return (bool) delete_user_option( $this->user_id, $option );
	}

/**
	 * Gets the ID of the user that options are controlled for.
	 *
	 * @since 1.1.4
	 *
	 * @return int User ID.
	 */
	public function get_user_id() {
		return $this->user_id;
	}

/**
	 * Switches the user that options are controlled for to the one with the given ID.
	 *
	 * This method exists to exchange the user that is set as the current user in WordPress on the fly. In most cases
	 * it is preferred to create a new instance of the class when dealing with multiple users. This method should only
	 * be applied when the entire chain of class main instances need to be updated to rely on another user, i.e. when
	 * the current WordPress user has changed.
	 *
	 * @since 1.0.0
	 *
	 * @param int $user_id User ID.
	 */
	public function switch_user( $user_id ) {
		$this->user_id = (int) $user_id;
	}

/**
	 * Gets the underlying meta key for the given option.
	 *
	 * @since 1.4.0
	 *
	 * @param string $option Option name.
	 * @return string Meta key name.
	 */
	public function get_meta_key( $option ) {
		global $wpdb;

if ( $this->context->is_network_mode() ) {
			return $option;
		}

return $wpdb->get_blog_prefix() . $option;
	}
}

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