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How to install CodeIgniter 4 on Windows and Mac

CodeIgniter 4 requires PHP version 7.2 or higher. The earlier version requires a minimum PHP 5.3 version or higher. There is now public directory like in other frameworks. You can

CodeIgniter 4 requires PHP version 7.2 or higher. The earlier version requires a minimum PHP 5.3 version or higher.

There is now public directory like in other frameworks. You can now separate the application from the resources (like CSS, JS, files.).

It is much more difficult for attackers.

In this tutorial, I show how you can install the Codeigniter 4 project on Windows and Mac.

How to install CodeIgniter 4 on windows and mac


Contents

  1. Enable extensions
  2. Manual Installation
  3. Using composer
  4. Run
  5. Conclusion

1. Enable extensions

  • Open php.ini file to enable intl and mbstring extension.
  • Search extension in the file.
extension=intl.dll
extension=mbstring.dll

OR

extension=php_intl.dll
extension=php_mbstring.dll
  • Remove semicolon (;) if exists to enable the extension.
  • Restart the server.

2. Manual Installation

  • Download CodeIgniter 4 zip file from here.
  • Copy in the htdocs/ folder and extract it.
  • Rename the folder (e.g. codeigniter4).

How to install CodeIgniter 4 on windows and mac


3. Using composer

  • Navigate to htdocs/ using Command Prompt if you are on Windows and use the terminal if you are on Mac.
  • Run the following command –
composer create-project codeigniter4/appstarter project-root
  • Replace project-root with your project name like – codeigniter4.
  • If you are getting the following message on the Command prompt while running –

How to install CodeIgniter 4 on windows and mac

  • It means intl extension is not been enabled.
  • To enable the extension follow the step 1.
  • Re-run the composer create-project codeigniter4/appstarter project-root.
  • A new codeigniter4 folder will be created.

4. Run

  • Run the project public/ folder.
http://localhost/codeigniter4/public/

How to install CodeIgniter 4 on windows and mac

  • On Mac in case, you are not viewing the above page instead following page display –

How to install CodeIgniter 4 on windows and mac

  • Then need to change the permission of the writable folder.
  • Navigate to the project directory using the terminal and execute the following command and refresh the page.
chmod -R 777 writable

Local Development Server

  • You can also run the project by starting a local development server.
  • Run the following command in the Command Prompt if you are on Windows or on the terminal if you are on Mac.
php spark serve

How to install CodeIgniter 4 on windows and mac

  • Development URL display after starting.
  • Run – http://localhost:8080/ in the browser.

How to install CodeIgniter 4 on windows and mac


5. Conclusion

You can either install it using a composer or manually. Before installing make sure that the PHP version is 7.2 or higher.

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