Why Is Composer Still Reporting 'PHP Extension Fileinfo Is Missing' Even Though It's Enabled?

Addressing PHP Extension Fileinfo Missing Issue in Composer

Composers encountering the error "PHP extension fileinfo is missing from your system" often find that the extension is enabled in php.ini but still face the problem. Let's delve into the details and explore a solution to this issue.

Ursache analysieren

Despite enabling the fileinfo extension in php.ini and verifying its activation in phpinfo(), Composer may still fail to recognize its presence. This can occur if the php.ini file used by PHP is different from the one you modified. To determine the actual php.ini file in use, run the following command:

php --ini

Lösung

For Windows users:

1. Open the identified php.ini file.
2. Locate the line extension=php_fileinfo.dll. If it's commented out (prefixed with a semicolon ;), uncomment it.
3. Save the changes and restart Apache.

Restarting Apache ensures that the updated php.ini file takes effect. Composer should now recognize the fileinfo extension and the installation process will proceed smoothly.

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