A PHP Error was encountered

Severity: 8192

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

Filename: controllers/Tracking.php

Line Number: 9

Backtrace:

File: /var/www/webvisitor.my.id/application/controllers/Tracking.php
Line: 9
Function: json_decode

File: /var/www/webvisitor.my.id/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Trying to access array offset on value of type null

Filename: controllers/Tracking.php

Line Number: 10

Backtrace:

File: /var/www/webvisitor.my.id/application/controllers/Tracking.php
Line: 10
Function: _error_handler

File: /var/www/webvisitor.my.id/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: base64_decode(): Passing null to parameter #1 ($string) of type string is deprecated

Filename: controllers/Tracking.php

Line Number: 10

Backtrace:

File: /var/www/webvisitor.my.id/application/controllers/Tracking.php
Line: 10
Function: base64_decode

File: /var/www/webvisitor.my.id/index.php
Line: 315
Function: require_once