Why Can't I Resolve the 'ext-fileinfo Missing' Error Using Composer.json?

Extension Missing: Adding ext-fileinfo to Composer.json

When attempting to install the intervention/image package, you may encounter an error indicating that the ext-fileinfo extension is missing. Contrary to the error message, this issue cannot be resolved by modifying your composer.json file.

Solution

To rectify this issue, you need to install and activate the FileInfo PHP extension. This extension is preinstalled by default with PHP versions 5.3.0 and above. For older PHP versions, you can utilize the discontinued PECL extension.

Enabling the FileInfo Extension

To enable the FileInfo extension, locate your php.ini file and edit the following line:

1. Remove the leading semicolon (;):

   ;extension=php_fileinfo.dll

2. Uncomment the line:

   extension=php_fileinfo.dll

Locating the php.ini File

To determine the location of your php.ini file, execute the following command in a terminal:

$ php --ini

Search for the line labeled "Loaded Configuration File."

Note:

The PHP CLI might utilize a different php.ini file than the web. Use the terminal command mentioned above to identify the file loaded by PHP CLI. This differs from the path displayed in phpinfo().

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