Codeigniter 4 Problem Installing with Composer

CodeIgniter 4 problem installing with composer

Your PHP is missing intl extension. It is useful for formatting currency, number and date/time as well as UCA-conformant collations, for message formatting and normalizing text..etc.

Check out Codeignitor 4 [Documentation][1]:

Follow the steps to install it in XAMPP -

1. Open [xampp_folder_path]/php/php.ini to edit.
2. Search for ;extension=intl and remove the ;.
3. Save the php.ini file and restart Apache.

Failed while installing a package using composer

I presume you created your project by using composer create-project codeigniter4/framework. This effectively created a clean project for you without the .git folder, thus removing any metadata on what version of codeigniter4/framework package you installed. This is indicative by 1.0.0+no-version-set part of the error message.

The jason-napolitano/codeigniter4-cart-module package requires ^4.0.3 version of codeigniter4/framework, but since you have no version metadata in your project, install fails. This can be resolved by setting the version from which you bootstrapped your project manually in your root composer.json:

{
    "name": "codeigniter4/framework",
    "version": "4.0.3",
    ...
}

However, this is just a guess, since I have no insight into your main composer.json.

How to use a composer package in CodeIgniter 4?

Try this

<?php

namespace App\Controllers;

use App\Controllers\BaseController;
use chillerlan\QRCode\{QROptions, QRCode};

class Qr extends BaseController
{
    public function index($path)
    {
        $data = 'otpauth://totp/test?secret=B3JX4VCVJDVNXNZ5&issuer=chillerlan.net';

        echo '<img src="' . (new QRCode)->render($data) . '" alt="QR Code" />';
    }
}

Codeigniter 4 composer update PHP Fatal error: Uncaught Error: Call to a member function run() on int in index.php

Codeigniter v4.2.0 changes

index.php and spark files have significant changes in v4.2.0.
To upgrade, you must merge the new versions.

If you are using the standard CI4 index.php (you've not modified it):

cd <root-dir-of-CI-project>
cp vendor/codeigniter4/framework/public/index.php public/index.php

And similarly for standard CI4 spark (you've not modified it):

cd <root-dir-of-CI-project>
cp vendor/codeigniter4/framework/spark .

ELSE merge the new versions of index.php and spark with your current versions.

https://codeigniter4.github.io/userguide/installation/upgrade_420.html#index-php-and-spark

CI4 Getting started issues

Waited a few days for the fix to be released. Did a composer update which moved me from CLI 4.0.1 to 4.0.2 but the problem persisted.

Made a new project and it all worked as expected.

Not sure if the composer update was supposed to work or not but at least the welcome page is now showing.

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