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Edit File : class-wp-roles.php \| Size : 9.17 KB
<?php /** * User API: WP_Roles class * * @package WordPress * @subpackage Users * @since 4.4.0 / /* * Core class used to implement a user roles API. * * The role option is simple, the structure is organized by role name that store * the name in value of the 'name' key. The capabilities are stored as an array * in the value of the 'capability' key. * * array ( * 'rolename' => array ( * 'name' => 'rolename', * 'capabilities' => array() * ) * ) * * @since 2.0.0 / #[AllowDynamicProperties] class WP_Roles { /* * List of roles and capabilities. * * @since 2.0.0 * @var array[] / public $roles; /* * List of the role objects. * * @since 2.0.0 * @var WP_Role[] / public $role_objects = array(); /* * List of role names. * * @since 2.0.0 * @var string[] / public $role_names = array(); /* * Option name for storing role list. * * @since 2.0.0 * @var string / public $role_key; /* * Whether to use the database for retrieval and storage. * * @since 2.1.0 * @var bool / public $use_db = true; /* * The site ID the roles are initialized for. * * @since 4.9.0 * @var int / protected $site_id = 0; /* * Constructor. * * @since 2.0.0 * @since 4.9.0 The `$site_id` argument was added. * * @global array $wp_user_roles Used to set the 'roles' property value. * * @param int $site_id Site ID to initialize roles for. Default is the current site. / public function __construct( $site_id = null ) { global $wp_user_roles; $this->use_db = empty( $wp_user_roles ); $this->for_site( $site_id ); } /* * Makes private/protected methods readable for backward compatibility. * * @since 4.0.0 * * @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' === $name ) { return $this->_init( ...$arguments ); } return false; } /* * Sets up the object properties. * * The role key is set to the current prefix for the $wpdb object with * 'user_roles' appended. If the $wp_user_roles global is set, then it will * be used and the role option will not be updated or used. * * @since 2.1.0 * @deprecated 4.9.0 Use WP_Roles::for_site() / protected function _init() { _deprecated_function( __METHOD__, '4.9.0', 'WP_Roles::for_site()' ); $this->for_site(); } /* * Reinitializes the object. * * Recreates the role objects. This is typically called only by switch_to_blog() * after switching wpdb to a new site ID. * * @since 3.5.0 * @deprecated 4.7.0 Use WP_Roles::for_site() / public function reinit() { _deprecated_function( __METHOD__, '4.7.0', 'WP_Roles::for_site()' ); $this->for_site(); } /* * Adds a role name with capabilities to the list. * * Updates the list of roles, if the role doesn't already exist. * * The list of capabilities can be passed either as a numerically indexed array of capability names, or an * associative array of boolean values keyed by the capability name. To explicitly deny the role a capability, set * the value for that capability to false. * * Examples: * * // Add a role that can edit posts. * wp_roles()->add_role( 'custom_role', 'Custom Role', array( * 'read', * 'edit_posts', * ) ); * * Or, using an associative array: * * // Add a role that can edit posts but explicitly cannot not delete them. * wp_roles()->add_role( 'custom_role', 'Custom Role', array( * 'read' => true, * 'edit_posts' => true, * 'delete_posts' => false, * ) ); * * @since 2.0.0 * @since 6.9.0 Support was added for a numerically indexed array of strings for the capabilities array. * * @param string $role Role name. * @param string $display_name Role display name. * @param array<string,bool>\|array<int,string> $capabilities Capabilities to be added to the role. * Default empty array. * @return WP_Role\|void WP_Role object, if the role is added. / public function add_role( $role, $display_name, $capabilities = array() ) { if ( empty( $role ) \|\| isset( $this->roles[ $role ] ) ) { return; } if ( wp_is_numeric_array( $capabilities ) ) { $capabilities = array_fill_keys( $capabilities, true ); } $this->roles[ $role ] = array( 'name' => $display_name, 'capabilities' => $capabilities, ); if ( $this->use_db ) { update_option( $this->role_key, $this->roles, true ); } $this->role_objects[ $role ] = new WP_Role( $role, $capabilities ); $this->role_names[ $role ] = $display_name; return $this->role_objects[ $role ]; } /* * Removes a role by name. * * @since 2.0.0 * * @param string $role Role name. / public function remove_role( $role ) { if ( ! isset( $this->role_objects[ $role ] ) ) { return; } unset( $this->role_objects[ $role ] ); unset( $this->role_names[ $role ] ); unset( $this->roles[ $role ] ); if ( $this->use_db ) { update_option( $this->role_key, $this->roles ); } if ( get_option( 'default_role' ) === $role ) { update_option( 'default_role', 'subscriber' ); } } /* * Adds a capability to role. * * @since 2.0.0 * * @param string $role Role name. * @param string $cap Capability name. * @param bool $grant Optional. Whether role is capable of performing capability. * Default true. / public function add_cap( $role, $cap, $grant = true ) { if ( ! isset( $this->roles[ $role ] ) ) { return; } $this->roles[ $role ]['capabilities'][ $cap ] = $grant; if ( $this->use_db ) { update_option( $this->role_key, $this->roles ); } } /* * Removes a capability from role. * * @since 2.0.0 * * @param string $role Role name. * @param string $cap Capability name. / public function remove_cap( $role, $cap ) { if ( ! isset( $this->roles[ $role ] ) ) { return; } unset( $this->roles[ $role ]['capabilities'][ $cap ] ); if ( $this->use_db ) { update_option( $this->role_key, $this->roles ); } } /* * Retrieves a role object by name. * * @since 2.0.0 * * @param string $role Role name. * @return WP_Role\|null WP_Role object if found, null if the role does not exist. / public function get_role( $role ) { if ( isset( $this->role_objects[ $role ] ) ) { return $this->role_objects[ $role ]; } else { return null; } } /* * Retrieves a list of role names. * * @since 2.0.0 * * @return string[] List of role names. / public function get_names() { return $this->role_names; } /* * Determines whether a role name is currently in the list of available roles. * * @since 2.0.0 * * @param string $role Role name to look up. * @return bool / public function is_role( $role ) { return isset( $this->role_names[ $role ] ); } /* * Initializes all of the available roles. * * @since 4.9.0 / public function init_roles() { if ( empty( $this->roles ) ) { return; } $this->role_objects = array(); $this->role_names = array(); foreach ( array_keys( $this->roles ) as $role ) { $this->role_objects[ $role ] = new WP_Role( $role, $this->roles[ $role ]['capabilities'] ); $this->role_names[ $role ] = $this->roles[ $role ]['name']; } /* * Fires after the roles have been initialized, allowing plugins to add their own roles. * * @since 4.7.0 * * @param WP_Roles $wp_roles A reference to the WP_Roles object. / do_action( 'wp_roles_init', $this ); } /* * 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 roles for. Default is the current site. / public function for_site( $site_id = null ) { global $wpdb; if ( ! empty( $site_id ) ) { $this->site_id = absint( $site_id ); } else { $this->site_id = get_current_blog_id(); } $this->role_key = $wpdb->get_blog_prefix( $this->site_id ) . 'user_roles'; if ( ! empty( $this->roles ) && ! $this->use_db ) { return; } $this->roles = $this->get_roles_data(); $this->init_roles(); } /* * Gets the ID of the site for which roles are currently initialized. * * @since 4.9.0 * * @return int Site ID. / public function get_site_id() { return $this->site_id; } /* * Gets the available roles data. * * @since 4.9.0 * * @global array $wp_user_roles Used to set the 'roles' property value. * * @return array Roles array. */ protected function get_roles_data() { global $wp_user_roles; if ( ! empty( $wp_user_roles ) ) { return $wp_user_roles; } if ( is_multisite() && get_current_blog_id() !== $this->site_id ) { remove_action( 'switch_blog', 'wp_switch_roles_and_user', 1 ); $roles = get_blog_option( $this->site_id, $this->role_key, array() ); add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 ); return $roles; } return get_option( $this->role_key, array() ); } } Back

Edit File : class-wp-roles.php | Size : 9.17 KB

<?php
/**
 * User API: WP_Roles class
 *
 * @package WordPress
 * @subpackage Users
 * @since 4.4.0
 */

/**
 * Core class used to implement a user roles API.
 *
 * The role option is simple, the structure is organized by role name that store
 * the name in value of the 'name' key. The capabilities are stored as an array
 * in the value of the 'capability' key.
 *
 *     array (
 *          'rolename' => array (
 *              'name' => 'rolename',
 *              'capabilities' => array()
 *          )
 *     )
 *
 * @since 2.0.0
 */
#[AllowDynamicProperties]
class WP_Roles {
	/**
	 * List of roles and capabilities.
	 *
	 * @since 2.0.0
	 * @var array[]
	 */
	public $roles;

/**
	 * List of the role objects.
	 *
	 * @since 2.0.0
	 * @var WP_Role[]
	 */
	public $role_objects = array();

/**
	 * List of role names.
	 *
	 * @since 2.0.0
	 * @var string[]
	 */
	public $role_names = array();

/**
	 * Option name for storing role list.
	 *
	 * @since 2.0.0
	 * @var string
	 */
	public $role_key;

/**
	 * Whether to use the database for retrieval and storage.
	 *
	 * @since 2.1.0
	 * @var bool
	 */
	public $use_db = true;

/**
	 * The site ID the roles are initialized for.
	 *
	 * @since 4.9.0
	 * @var int
	 */
	protected $site_id = 0;

/**
	 * Constructor.
	 *
	 * @since 2.0.0
	 * @since 4.9.0 The `$site_id` argument was added.
	 *
	 * @global array $wp_user_roles Used to set the 'roles' property value.
	 *
	 * @param int $site_id Site ID to initialize roles for. Default is the current site.
	 */
	public function __construct( $site_id = null ) {
		global $wp_user_roles;

$this->use_db = empty( $wp_user_roles );

$this->for_site( $site_id );
	}

/**
	 * Makes private/protected methods readable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @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' === $name ) {
			return $this->_init( ...$arguments );
		}
		return false;
	}

/**
	 * Sets up the object properties.
	 *
	 * The role key is set to the current prefix for the $wpdb object with
	 * 'user_roles' appended. If the $wp_user_roles global is set, then it will
	 * be used and the role option will not be updated or used.
	 *
	 * @since 2.1.0
	 * @deprecated 4.9.0 Use WP_Roles::for_site()
	 */
	protected function _init() {
		_deprecated_function( __METHOD__, '4.9.0', 'WP_Roles::for_site()' );

$this->for_site();
	}

/**
	 * Reinitializes the object.
	 *
	 * Recreates the role objects. This is typically called only by switch_to_blog()
	 * after switching wpdb to a new site ID.
	 *
	 * @since 3.5.0
	 * @deprecated 4.7.0 Use WP_Roles::for_site()
	 */
	public function reinit() {
		_deprecated_function( __METHOD__, '4.7.0', 'WP_Roles::for_site()' );

$this->for_site();
	}

/**
	 * Adds a role name with capabilities to the list.
	 *
	 * Updates the list of roles, if the role doesn't already exist.
	 *
	 * The list of capabilities can be passed either as a numerically indexed array of capability names, or an
	 * associative array of boolean values keyed by the capability name. To explicitly deny the role a capability, set
	 * the value for that capability to false.
	 *
	 * Examples:
	 *
	 *     // Add a role that can edit posts.
	 *     wp_roles()->add_role( 'custom_role', 'Custom Role', array(
	 *         'read',
	 *         'edit_posts',
	 *     ) );
	 *
	 * Or, using an associative array:
	 *
	 *     // Add a role that can edit posts but explicitly cannot not delete them.
	 *     wp_roles()->add_role( 'custom_role', 'Custom Role', array(
	 *         'read' => true,
	 *         'edit_posts' => true,
	 *         'delete_posts' => false,
	 *     ) );
	 *
	 * @since 2.0.0
	 * @since 6.9.0 Support was added for a numerically indexed array of strings for the capabilities array.
	 *
	 * @param string                               $role         Role name.
	 * @param string                               $display_name Role display name.
	 * @param array<string,bool>|array<int,string> $capabilities Capabilities to be added to the role.
	 *                                                           Default empty array.
	 * @return WP_Role|void WP_Role object, if the role is added.
	 */
	public function add_role( $role, $display_name, $capabilities = array() ) {
		if ( empty( $role ) || isset( $this->roles[ $role ] ) ) {
			return;
		}

if ( wp_is_numeric_array( $capabilities ) ) {
			$capabilities = array_fill_keys( $capabilities, true );
		}

$this->roles[ $role ] = array(
			'name'         => $display_name,
			'capabilities' => $capabilities,
		);
		if ( $this->use_db ) {
			update_option( $this->role_key, $this->roles, true );
		}
		$this->role_objects[ $role ] = new WP_Role( $role, $capabilities );
		$this->role_names[ $role ]   = $display_name;
		return $this->role_objects[ $role ];
	}

/**
	 * Removes a role by name.
	 *
	 * @since 2.0.0
	 *
	 * @param string $role Role name.
	 */
	public function remove_role( $role ) {
		if ( ! isset( $this->role_objects[ $role ] ) ) {
			return;
		}

unset( $this->role_objects[ $role ] );
		unset( $this->role_names[ $role ] );
		unset( $this->roles[ $role ] );

if ( $this->use_db ) {
			update_option( $this->role_key, $this->roles );
		}

if ( get_option( 'default_role' ) === $role ) {
			update_option( 'default_role', 'subscriber' );
		}
	}

/**
	 * Adds a capability to role.
	 *
	 * @since 2.0.0
	 *
	 * @param string $role  Role name.
	 * @param string $cap   Capability name.
	 * @param bool   $grant Optional. Whether role is capable of performing capability.
	 *                      Default true.
	 */
	public function add_cap( $role, $cap, $grant = true ) {
		if ( ! isset( $this->roles[ $role ] ) ) {
			return;
		}

$this->roles[ $role ]['capabilities'][ $cap ] = $grant;
		if ( $this->use_db ) {
			update_option( $this->role_key, $this->roles );
		}
	}

/**
	 * Removes a capability from role.
	 *
	 * @since 2.0.0
	 *
	 * @param string $role Role name.
	 * @param string $cap  Capability name.
	 */
	public function remove_cap( $role, $cap ) {
		if ( ! isset( $this->roles[ $role ] ) ) {
			return;
		}

unset( $this->roles[ $role ]['capabilities'][ $cap ] );
		if ( $this->use_db ) {
			update_option( $this->role_key, $this->roles );
		}
	}

/**
	 * Retrieves a role object by name.
	 *
	 * @since 2.0.0
	 *
	 * @param string $role Role name.
	 * @return WP_Role|null WP_Role object if found, null if the role does not exist.
	 */
	public function get_role( $role ) {
		if ( isset( $this->role_objects[ $role ] ) ) {
			return $this->role_objects[ $role ];
		} else {
			return null;
		}
	}

/**
	 * Retrieves a list of role names.
	 *
	 * @since 2.0.0
	 *
	 * @return string[] List of role names.
	 */
	public function get_names() {
		return $this->role_names;
	}

/**
	 * Determines whether a role name is currently in the list of available roles.
	 *
	 * @since 2.0.0
	 *
	 * @param string $role Role name to look up.
	 * @return bool
	 */
	public function is_role( $role ) {
		return isset( $this->role_names[ $role ] );
	}

/**
	 * Initializes all of the available roles.
	 *
	 * @since 4.9.0
	 */
	public function init_roles() {
		if ( empty( $this->roles ) ) {
			return;
		}

$this->role_objects = array();
		$this->role_names   = array();
		foreach ( array_keys( $this->roles ) as $role ) {
			$this->role_objects[ $role ] = new WP_Role( $role, $this->roles[ $role ]['capabilities'] );
			$this->role_names[ $role ]   = $this->roles[ $role ]['name'];
		}

/**
		 * Fires after the roles have been initialized, allowing plugins to add their own roles.
		 *
		 * @since 4.7.0
		 *
		 * @param WP_Roles $wp_roles A reference to the WP_Roles object.
		 */
		do_action( 'wp_roles_init', $this );
	}

/**
	 * 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 roles for. Default is the current site.
	 */
	public function for_site( $site_id = null ) {
		global $wpdb;

if ( ! empty( $site_id ) ) {
			$this->site_id = absint( $site_id );
		} else {
			$this->site_id = get_current_blog_id();
		}

$this->role_key = $wpdb->get_blog_prefix( $this->site_id ) . 'user_roles';

if ( ! empty( $this->roles ) && ! $this->use_db ) {
			return;
		}

$this->roles = $this->get_roles_data();

$this->init_roles();
	}

/**
	 * Gets the ID of the site for which roles are currently initialized.
	 *
	 * @since 4.9.0
	 *
	 * @return int Site ID.
	 */
	public function get_site_id() {
		return $this->site_id;
	}

/**
	 * Gets the available roles data.
	 *
	 * @since 4.9.0
	 *
	 * @global array $wp_user_roles Used to set the 'roles' property value.
	 *
	 * @return array Roles array.
	 */
	protected function get_roles_data() {
		global $wp_user_roles;

if ( ! empty( $wp_user_roles ) ) {
			return $wp_user_roles;
		}

if ( is_multisite() && get_current_blog_id() !== $this->site_id ) {
			remove_action( 'switch_blog', 'wp_switch_roles_and_user', 1 );

$roles = get_blog_option( $this->site_id, $this->role_key, array() );

add_action( 'switch_blog', 'wp_switch_roles_and_user', 1, 2 );

return $roles;
		}

return get_option( $this->role_key, array() );
	}
}

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