PHP, ext/mongo, Composer version updates

Change effective on 25 March 2015

The following new runtimes are available for PHP applications on Heroku:

  • 5.5.23
  • 5.6.7 (the new default if no version is explicitly selected via composer.json)

The mongo extension has been updated to version 1.6.6.

Composer has been updated to version c5cd184767; a composer install will no longer be performed if composer.json is empty.