/usr/share/php/ is in php-http-request2 2.3.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/.registry/
/usr/share/php/.registry/http_request2.reg
/usr/share/php/HTTP/
/usr/share/php/HTTP/Request2/
/usr/share/php/HTTP/Request2/Adapter/
/usr/share/php/HTTP/Request2/Adapter/Curl.php
/usr/share/php/HTTP/Request2/Adapter/Mock.php
/usr/share/php/HTTP/Request2/Adapter/Socket.php
/usr/share/php/HTTP/Request2/Adapter.php
/usr/share/php/HTTP/Request2/CookieJar.php
/usr/share/php/HTTP/Request2/Exception.php
/usr/share/php/HTTP/Request2/MultipartBody.php
/usr/share/php/HTTP/Request2/Observer/
/usr/share/php/HTTP/Request2/Observer/Log.php
/usr/share/php/HTTP/Request2/Observer/UncompressingDownload.php
/usr/share/php/HTTP/Request2/Response.php
/usr/share/php/HTTP/Request2/SOCKS5.php
/usr/share/php/HTTP/Request2/SocketWrapper.php
/usr/share/php/HTTP/Request2.php
/usr/share/php/data/
/usr/share/php/data/HTTP_Request2/
/usr/share/php/data/HTTP_Request2/generate-list.php
/usr/share/php/data/HTTP_Request2/public-suffix-list.php