If res\php does not have res\php\runtime, then the following error occurs.
- Validating parameters.
- Validating Tool's PHP Resource.
Runtime Exception: 0: PHP Runtime within Tool's PHP Resource is invalid!
Error: Unexpected Exit
However, this error is not necessary, if provided source already contains a php folder.
If source does not have PHP folder, then check if tool has PHP runtime within \res\php\runtime.
If source does have PHP folder, then checking if \res\php\runtime exists is ignored.