/usr/ is in php-symfony-polyfill-php54 1.6.0-2.
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/usr/share/php/Symfony/Polyfill/Php54/Php54.php
/usr/share/php/Symfony/Polyfill/Php54/Resources/
/usr/share/php/Symfony/Polyfill/Php54/Resources/stubs/
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/usr/share/php/Symfony/Polyfill/Php54/Resources/stubs/RecursiveCallbackFilterIterator.php
/usr/share/php/Symfony/Polyfill/Php54/Resources/stubs/SessionHandlerInterface.php
/usr/share/php/Symfony/Polyfill/Php54/autoload.php
/usr/share/php/Symfony/Polyfill/Php54/bootstrap.php