A PHP Error was encountered

Severity: 8192

Message: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: MX/Loader.php

Line Number: 160

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 160
Function: strtolower

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 132

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 290

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 164

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 233

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 313

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 354

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 282

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 294

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 304

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 314

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 315

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 316

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 375

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: drivers/Session_files_driver.php

Line Number: 108

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: MX/Loader.php

Line Number: 160

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 160
Function: strtolower

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: MX/Loader.php

Line Number: 160

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 160
Function: strtolower

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: strtolower(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: MX/Loader.php

Line Number: 160

Backtrace:

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 160
Function: strtolower

File: /home/csis3web/public_html/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/public_html/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/public_html/protected/modules/web/Scholar/controllers/Scholar.php
Line: 9
Function: __construct

File: /home/csis3web/public_html/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/public_html/index.php
Line: 31
Function: require_once

Rizal Sukma | CSIS

Rizal Sukma

Position : Senior Fellow
Organization : Centre for Strategic and International Studies


Dr. Rizal Sukma is a Senior Fellow at the Centre for Strategic and International Studies, Jakarta. Previously, he was Indonesia’s Ambassador to the United Kingdom, Ireland and the International Maritime Organization (IMO), London, from 2016 to 2020. He joined CSIS in 1990 as a researcher and assumed the role of Executive Director in 2009 until 2015. Dr. Sukma also served as former Chairman of International Relations, Muhammadiyah Central Executive Board (2005-2015). Since receiving a PhD in International Relations from the London School of Economics and Political Science (LSE) in 1997, he has worked extensively on such issues as Southeast Asian security, ASEAN, Indonesia’s defense and foreign policy, military reform, Islam and politics, and domestic political changes in Indonesia.

Dr Sukma has served as a member of the National Committee on Strategic Defence Review at the Ministry of Defence, and as a member of the National Drafting Committee for the National Defence Bill (2000–2002) and the Armed Forces Bill (2002–2003). He was the first Indonesian to receive the Nakasone Award, in July 2005, and named one 100 Global Thinkers in 2009 by Foreign Policy magazine.

He has published three books: Security Operations in Aceh: Goals, Consequences, and Lessons (Washington, DC: East-West Centre, 2004); Islam in Indonesia’s Foreign Policy (London: Routledge, 2003), and Indonesia and China: The Politics of A Troubled Relationship (London: Routledge, 1999).


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