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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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Severity: Warning

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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

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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/Researcher/controllers/Researcher.php
Line: 8
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/Researcher/controllers/Researcher.php
Line: 8
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/Researcher/controllers/Researcher.php
Line: 8
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

Vidhyandika Djati Perkasa | CSIS

Vidhyandika Djati Perkasa

Position : Senior Researcher, Department of Politics and Social Change
Organization : Centre for Strategic and International Studies


Vidhyandika Djati Perkasa is a senior rsearcher at the Department of Politics and Social Change, CSIS Indonesia.

Vidhyandika has also been involved in a research sponsored by IDRC titled ‘Global Migration and Access to justice for Indonesian Domestic Women Workers’. The project was conducted by the Centre for Women and Gender Study, the University of Indonesia. The research has enabled Vidhyandika and his teammates to conduct a one-month research in Abu Dhabi and Dubai, UAE where he observed the life-style and problems faced by Indonesian domestic workers residing there.

For the past seven years, Vidhyandika has been conducting intensive research in the areas of conflict, governance and social accountability. His main research area is in Papua. Vidhyandika has worked intensively with elements of civil society and government to promote better governance. He has also been involved in a research sponsored by UNDP to mapped social accountability initiatives in   Indonesia. His current research sponsored by UNDEF deals with effort to empower civil society group to promote social accountability in Papua.


Vidhyandika Perkasa received his Bachelor of Arts degree in Anthropology at the Faculty of Letters, Gadjah Mada University in 1992. His thesis probed into traders’ economic rationality, which was written with a life history method. In 1995, he obtained his Master degree from the Department of Social Policy and Planning in Developing Countries at the London School of Economics and Political Science, United Kingdom.

He obtained his PhD at the Department of Anthropology, School of Political and Social Inquiry at the Faculty of Arts, Monash University Australia in 2005. His doctoral research concerns poverty issues amongst Chinese community in West Java Indonesia. His thesis explores the links between poverty, race, ethnicity and identity, and how the poor Chinese community there deals with the vicious circle of poverty. His dissertation has been published by Lambert Academic Publishing, Germany in 2010 titled ‘Poverty in a Chinese Community in West Java Indonesia: Survival, Identity and Social Face’.

Research Interest : Governance, Ethnic Relations and Minority Issues, Conflict, Poverty, Migrant Workers

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