Make the call compatible with future Symfony version, and avoid
E_USER_DEPRECATED as thrown by the current 2.7.0-beta2:
The ability to pass file names to the Symfony\Component\Yaml\Yaml::parse
method is deprecated since version 2.2 and will be removed in 3.0. Pass
the YAML contents of the file instead.
Make the call compatible with future Symfony version, and avoid E_USER_DEPRECATED as thrown by the current 2.7.0-beta2:
The ability to pass file names to the Symfony\Component\Yaml\Yaml::parse method is deprecated since version 2.2 and will be removed in 3.0. Pass the YAML contents of the file instead.