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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 160
Function: strtolower

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 173
Function: _ci_load_library

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 160
Function: strtolower

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 160
Function: strtolower

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/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/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 160
Function: strtolower

File: /home/csis3web/old.csis.or.id/protected/base/core/X_Loader.php
Line: 247
Function: library

File: /home/csis3web/old.csis.or.id/protected/base/third_party/MX/Loader.php
Line: 65
Function: initialize

File: /home/csis3web/old.csis.or.id/protected/modules/web/Researcher/controllers/Researcher.php
Line: 8
Function: __construct

File: /home/csis3web/old.csis.or.id/protected/framework.php
Line: 229
Function: require_once

File: /home/csis3web/old.csis.or.id/index.php
Line: 31
Function: require_once

David Christian | CSIS

David Christian

David Christian is currently a research assistant in the Department of Economics at the Centre for Strategic and International Studies (CSIS). He received his Bachelor of Economics from Faculty of Economics University of Indonesia in 2013, having completed his undergraduate thesis on structural transformation process in Indonesia. At this moment, he is currently working on several projects, mainly regarding development economics, international economics, and economic integration issues.

Upcoming Events
  • No Upcoming Events