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Some settings on your machine make Composer unable to work properly.
Make sure that you fix the issues listed below and run this script again:
The allow_url_fopen setting is incorrect.
Add the following to the end of your `php.ini`:
allow_url_fopen = On
Your command-line PHP is using multiple ini files. Run `php --ini` to show them.
If you can not modify the ini file, you can also run `php -d option=value` to modify ini values on the fly. You can use -d multiple times.