apply_filters( 'user_has_cap', bool[] $allcaps, string[] $caps, array $args, WP_User $user )

815		 *     @type string    $0 Requested capability.816		 *     @type int       $1 Concerned user ID.817		 *     @type mixed  ...$2 Optional second and further parameters, typically object ID.818		 * }819		 * @param WP_User  $user    The user object.820		 */821		$capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args, $this );822 823		// Everyone is allowed to exist.824		$capabilities['exist'] = true;825 826		// Nobody is allowed to do things they are not allowed to do.827		unset( $capabilities['do_not_allow'] );