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I'm new to Codeigniter and i want to ask why when i want to install CI 4 with composer it resulted 

  Problem 1
    - codeigniter4/framework v4.0.2 requires ext-intl * -> the requested PHP extension intl is missing from your system.
    - codeigniter4/framework v4.0.1 requires ext-intl * -> the requested PHP extension intl is missing from your system.
    - codeigniter4/framework 4.0.0 requires ext-intl * -> the requested PHP extension intl is missing from your system.
    - Installation request for codeigniter4/framework ^4 -> satisfiable by codeigniter4/framework[4.0.0, v4.0.1, v4.0.2].

But i already uncommend the intl extension on php.ini (I'm using XAMPP)

I already tried to find answers but i can't find it. if you guys have opinion on what's going on please let me know. Thank youu

Rafael Alviano Davito Harahap
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3 Answers3

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If you are using php version 5.6 or below

;extension=php_intl.dll Remove semicolon from the line in php.ini file

If php 7 or above

Remove semicolon from the line ;extension=intl in php.ini

Once you updated php.ini restart XAMPP/WAMP

Mohammedshafeek C S
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  • There is no ;extension=intl but there is ;extension=php_intl.dll; and i already remove the semicolom, still it won't work – Rafael Alviano Davito Harahap Apr 14 '20 at 15:37
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    Only a little precisation: the extension syntax "extension=php_.dll" (in Windows) or "extension=.so" (in Linux) into the PHP configuration file, I think changed into "extension=" starting from PHP 7.2. I'm sure that in PHP 7.0 there is the legacy extension syntax. – deste Apr 18 '20 at 16:25
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CodeIgniter 4 requires PHP >= 7.2.

The composer.json file of CodeIgniter 4 contains a php>=7.2 require; so you should see the requirements are not satisfy as first problem. But the strange thing is you have extension=php_intl.dll; into your PHP configuration file: from PHP version 7.2 you should have extension=intl. So, please check your PHP version you have into your XAMPP.

Then check that you have C:\xampp\php into your Windows PATH (or the right php directory path in your system).

Try to launch your composer install; if it give the same error, try to create a file test.php into your webroot, containings

<?php phpinfo(); ?>

Open the test.php page on your local web server with the browser and search for Internationalization support. If you do not find this information, it means that extension is not active.

In this case, give a look if you have edit the right PHP.INI. See this question for the right setting of extension with XAMPP.

deste
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You could try to run composer with the flag --ignore-platform-reqs to force the instalation, but be aware to solve dependency to run your project.

(I use this flag to install when the server runs on docker with different specifications than host)

alejosr
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