Content of RPM php-pecl-http-1.6.5-2.el6.rf.x86_64.rpm :
/etc/php.d/http.ini
/usr/include/php/ext/http
/usr/include/php/ext/http/missing.h
/usr/include/php/ext/http/php_http.h
/usr/include/php/ext/http/php_http_api.h
/usr/include/php/ext/http/php_http_cache_api.h
/usr/include/php/ext/http/php_http_cookie_api.h
/usr/include/php/ext/http/php_http_date_api.h
/usr/include/php/ext/http/php_http_deflatestream_object.h
/usr/include/php/ext/http/php_http_encoding_api.h
/usr/include/php/ext/http/php_http_exception_object.h
/usr/include/php/ext/http/php_http_headers_api.h
/usr/include/php/ext/http/php_http_inflatestream_object.h
/usr/include/php/ext/http/php_http_info_api.h
/usr/include/php/ext/http/php_http_message_api.h
/usr/include/php/ext/http/php_http_message_object.h
/usr/include/php/ext/http/php_http_persistent_handle_api.h
/usr/include/php/ext/http/php_http_querystring_api.h
/usr/include/php/ext/http/php_http_querystring_object.h
/usr/include/php/ext/http/php_http_request_api.h
/usr/include/php/ext/http/php_http_request_body_api.h
/usr/include/php/ext/http/php_http_request_datashare_api.h
/usr/include/php/ext/http/php_http_request_method_api.h
/usr/include/php/ext/http/php_http_request_object.h
/usr/include/php/ext/http/php_http_requestdatashare_object.h
/usr/include/php/ext/http/php_http_requestpool_object.h
/usr/include/php/ext/http/php_http_response_object.h
/usr/include/php/ext/http/php_http_send_api.h
/usr/include/php/ext/http/php_http_std_defs.h
/usr/include/php/ext/http/php_http_url_api.h
/usr/include/php/ext/http/php_http_util_object.h
/usr/include/php/ext/http/phpstr
/usr/include/php/ext/http/phpstr/phpstr.h
/usr/lib64/php/modules/http.so
/usr/share/doc/php-pecl-http-1.6.5
/usr/share/doc/php-pecl-http-1.6.5/CREDITS