public static function get_user_preferences($name = '', $userid = 0) {
        global $USER;

        $params = self::validate_parameters(self::get_user_preferences_parameters(),
                                            array(
                                                'name' => $name,
                                                'userid' => $userid
                                            ));
        $preferences = array();
        $warnings = array();

        $context = context_system::instance();
        self::validate_context($context);

        if (empty($params['name'])) {
            $name = null;
        }
        if (empty($params['userid'])) {
            $user = null;
        } else {
            $user = core_user::get_user($params['userid'], '*', MUST_EXIST);
            core_user::require_active_user($user);
            if ($user->id != $USER->id) {
                // Only admins can retrieve other users preferences.
                require_capability('moodle/site:config', $context);
            }
        }

        $userpreferences = get_user_preferences($name, null, $user);
        // Check if we received just one preference.
        if (!is_array($userpreferences)) {
            $userpreferences = array($name => $userpreferences);
        }

        foreach ($userpreferences as $name => $value) {
            $preferences[] = array(
                'name' => $name,
                'value' => $value,
            );
        }

        $result = array();
        $result['preferences'] = $preferences;
        $result['warnings'] = $warnings;
        return $result;
    }
public static function get_user_preferences($name = '', $userid = 0) {
        global $USER;

        $params = self::validate_parameters(self::get_user_preferences_parameters(),
                                            array(
                                                'name' => $name,
                                                'userid' => $userid
                                            ));
        $preferences = array();
        $warnings = array();

        $context = context_system::instance();
        self::validate_context($context);

        if (empty($params['name'])) {
            $name = null;
        }
        if (empty($params['userid'])) {
            $user = null;
        } else {
            $user = core_user::get_user($params['userid'], '*', MUST_EXIST);
            core_user::require_active_user($user);
            if ($user->id != $USER->id) {
                // Only admins can retrieve other users preferences.
                require_capability('moodle/site:config', $context);
            }
        }

        $userpreferences = get_user_preferences($name, null, $user);
        // Check if we received just one preference.
        if (!is_array($userpreferences)) {
            $userpreferences = array($name => $userpreferences);
        }

        foreach ($userpreferences as $name => $value) {
            $preferences[] = array(
                'name' => $name,
                'value' => $value,
            );
        }

        $result = array();
        $result['preferences'] = $preferences;
        $result['warnings'] = $warnings;
        return $result;
    }
public static function get_user_preferences ( $ name = '' , $ userid = 0 ) { global $ USER ; $ params = self :: validate_parameters ( self :: get_user_preferences_parameters ( ) , array ( 'name' => $ name , 'userid' => $ userid ) ) ; $ preferences = array ( ) ; $ warnings = array ( ) ; $ context = context_system :: instance ( ) ; self :: validate_context ( $ context ) ; if ( empty ( $ params [ 'name' ] ) ) { $ name = null ; } if ( empty ( $ params [ 'userid' ] ) ) { $ user = null ; } else { $ user = core_user :: get_user ( $ params [ 'userid' ] , '*' , MUST_EXIST ) ; core_user :: require_active_user ( $ user ) ; if ( $ user -> id != $ USER -> id ) { // Only admins can retrieve other users preferences. require_capability ( 'moodle/site:config' , $ context ) ; } } $ userpreferences = get_user_preferences ( $ name , null , $ user ) ; // Check if we received just one preference. if ( ! is_array ( $ userpreferences ) ) { $ userpreferences = array ( $ name => $ userpreferences ) ; } foreach ( $ userpreferences as $ name => $ value ) { $ preferences [ ] = array ( 'name' => $ name , 'value' => $ value , ) ; } $ result = array ( ) ; $ result [ 'preferences' ] = $ preferences ; $ result [ 'warnings' ] = $ warnings ; return $ result ; }
Return user preferences.

@param string $name preference name, empty for all
@param int $userid id of the user, 0 for current user
@return array of warnings and preferences
@since Moodle 3.2
@throws moodle_exception
Return user preferences .