Codeigniter tutorial Part-1 -How to start project in CodeIgniter 4?

CodeIgniter is an open-source software rapid development web framework, for use in building dynamic web sites with PHP.

CodeIgniter is a PHP MVC framework used for developing web applications rapidly. CodeIgniter provides out of the box libraries for connecting to the database and performing various operations like sending emails, uploading files, managing sessions, etc.

Step 1:

Download Codeigniter latest Version v4.0.4

https://www.codeigniter.com/        

Step 2:

Extract downloaded .zip file.

If you are using XAMPP server copy and paste extracted file inside htdocs directory

C:\xampp\htdocs\

Step 3:

Rename folder as your project name.

For example my project name is ci_tutorial.

C:\xampp\htdocs\ci_tutorial

Step 4:

Now start your xampp server and run your project using chrome

http://localhost/ci_tutorial/public/

Sometime it shows error like this

But don’t worry, go to C:\xampp\htdocs\ci_tutorial\system and open Codeigniter.php in text editor.

And replace

	
	locale_set_default($this->config->defaultLocale ?? 'en');
	

with

	if (function_exists('locale_set_default')) {
		locale_set_default($this->config->defaultLocale ?? 'en');
	}

Now reload page.