public static function get_blocked_users($userid) {
        global $CFG, $USER, $PAGE;

        // Warnings array, it can be empty at the end but is mandatory.
        $warnings = array();

        // Validate params.
        $params = array(
            'userid' => $userid
        );
        $params = self::validate_parameters(self::get_blocked_users_parameters(), $params);
        $userid = $params['userid'];

        // Validate context.
        $context = context_system::instance();
        self::validate_context($context);

        // Check if private messaging between users is allowed.
        if (empty($CFG->messaging)) {
            throw new moodle_exception('disabled', 'message');
        }

        $user = core_user::get_user($userid, '*', MUST_EXIST);
        core_user::require_active_user($user);

        // Check if we have permissions for retrieve the information.
        $capability = 'moodle/site:manageallmessaging';
        if (($USER->id != $userid) && !has_capability($capability, $context)) {
            throw new required_capability_exception($context, $capability, 'nopermissions', '');
        }

        // Now, we can get safely all the blocked users.
        $users = \core_message\api::get_blocked_users($user->id);

        $blockedusers = array();
        foreach ($users as $user) {
            $newuser = array(
                'id' => $user->id,
                'fullname' => fullname($user),
            );

            $userpicture = new user_picture($user);
            $userpicture->size = 1; // Size f1.
            $newuser['profileimageurl'] = $userpicture->get_url($PAGE)->out(false);

            $blockedusers[] = $newuser;
        }

        $results = array(
            'users' => $blockedusers,
            'warnings' => $warnings
        );
        return $results;
    }
public static function get_blocked_users($userid) {
        global $CFG, $USER, $PAGE;

        // Warnings array, it can be empty at the end but is mandatory.
        $warnings = array();

        // Validate params.
        $params = array(
            'userid' => $userid
        );
        $params = self::validate_parameters(self::get_blocked_users_parameters(), $params);
        $userid = $params['userid'];

        // Validate context.
        $context = context_system::instance();
        self::validate_context($context);

        // Check if private messaging between users is allowed.
        if (empty($CFG->messaging)) {
            throw new moodle_exception('disabled', 'message');
        }

        $user = core_user::get_user($userid, '*', MUST_EXIST);
        core_user::require_active_user($user);

        // Check if we have permissions for retrieve the information.
        $capability = 'moodle/site:manageallmessaging';
        if (($USER->id != $userid) && !has_capability($capability, $context)) {
            throw new required_capability_exception($context, $capability, 'nopermissions', '');
        }

        // Now, we can get safely all the blocked users.
        $users = \core_message\api::get_blocked_users($user->id);

        $blockedusers = array();
        foreach ($users as $user) {
            $newuser = array(
                'id' => $user->id,
                'fullname' => fullname($user),
            );

            $userpicture = new user_picture($user);
            $userpicture->size = 1; // Size f1.
            $newuser['profileimageurl'] = $userpicture->get_url($PAGE)->out(false);

            $blockedusers[] = $newuser;
        }

        $results = array(
            'users' => $blockedusers,
            'warnings' => $warnings
        );
        return $results;
    }
public static function get_blocked_users ( $ userid ) { global $ CFG , $ USER , $ PAGE ; // Warnings array, it can be empty at the end but is mandatory. $ warnings = array ( ) ; // Validate params. $ params = array ( 'userid' => $ userid ) ; $ params = self :: validate_parameters ( self :: get_blocked_users_parameters ( ) , $ params ) ; $ userid = $ params [ 'userid' ] ; // Validate context. $ context = context_system :: instance ( ) ; self :: validate_context ( $ context ) ; // Check if private messaging between users is allowed. if ( empty ( $ CFG -> messaging ) ) { throw new moodle_exception ( 'disabled' , 'message' ) ; } $ user = core_user :: get_user ( $ userid , '*' , MUST_EXIST ) ; core_user :: require_active_user ( $ user ) ; // Check if we have permissions for retrieve the information. $ capability = 'moodle/site:manageallmessaging' ; if ( ( $ USER -> id != $ userid ) && ! has_capability ( $ capability , $ context ) ) { throw new required_capability_exception ( $ context , $ capability , 'nopermissions' , '' ) ; } // Now, we can get safely all the blocked users. $ users = \ core_message \ api :: get_blocked_users ( $ user -> id ) ; $ blockedusers = array ( ) ; foreach ( $ users as $ user ) { $ newuser = array ( 'id' => $ user -> id , 'fullname' => fullname ( $ user ) , ) ; $ userpicture = new user_picture ( $ user ) ; $ userpicture -> size = 1 ; // Size f1. $ newuser [ 'profileimageurl' ] = $ userpicture -> get_url ( $ PAGE ) -> out ( false ) ; $ blockedusers [ ] = $ newuser ; } $ results = array ( 'users' => $ blockedusers , 'warnings' => $ warnings ) ; return $ results ; }
Retrieve a list of users blocked

@param  int $userid the user whose blocked users we want to retrieve
@return external_description
@since 2.9
Retrieve a list of users blocked