We do not support third-party software such as CodeIgniter Web Framework through technical support. It would be best to consult with a developer familiar with PHP coding to assist with the website development of your website.
Here you would be able to find a guide to installing CodeIgniter:
Please note that cPanel, LLC only supports the cPanel-provided software and does not provide general system-administration services. You may, therefore, wish to seek assistance from a qualified system administrator for this issue.
If you do not have such an administrator, you may search for one in our listings here:
Please note, however, that cPanel, LLC does not endorse or recommend any particular provider on that list, nor can we be held liable for any services performed by third-party providers, including those on the list.
Thank you for your understanding,