Fix php.net HTTPS links; always use HTTPS for getcomposer.org

doc/articles/handling-private-packages-with-satis.md

@@ -337,8 +337,8 @@ is set to true.
    user installs a package. See [notify-batch].
 
 
-[ssh2 context options]: https://www.php.net/manual/en/wrappers.ssh2.php#refsect1-wrappers.ssh2-options
-[ssl context options]: https://www.php.net/manual/en/context.ssl.php
+[ssh2 context options]: https://secure.php.net/manual/en/wrappers.ssh2.php#refsect1-wrappers.ssh2-options
+[ssl context options]: https://secure.php.net/manual/en/context.ssl.php
 [Twig]: http://twig.sensiolabs.org/
-[config schema]: http://getcomposer.org/doc/04-schema.md#config
+[config schema]: https://getcomposer.org/doc/04-schema.md#config
 [notify-batch]: https://getcomposer.org/doc/05-repositories.md#notify-batch