Q1. How to check CodeIgniter framework version?

CI_FRAMEWORK

CI_VERSION

--VERSION

Codeigniter*version*

Q2. Which key word is used callback function?

_callback_

call_back_

callback_

call_back_()

Q3. Keywords always should write down in?

Uppercase

Lowercahse

Camelcase

PascalCase

Q4. How to set CSRF token in codeIgniter?

$config['csrf'] = TRUE;

config['csrf_protection'] = TRUE;

$['csrf_protection'] = TRUE;

$config['csrf_protection'] = TRUE;

Q5. CodeIgniter supported databases?

ODBC

CUBRID

Oracle

All of the above

Q6. The essential part of a CodeIgniter framework is its?

File Uploading

Error Handling

Libraries

Form Validation