guard against possible false value from file_get_contents in Host.php

[jspaetzel]

There's other circumstances besides is_file && is_readable when file_get_contents may return false. This is a defensive change to prevent TypeErrors when calling trim()

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• :white_check_mark: login: jspaetzel / name: John Spaetzel (0fb4683a0c01d0de935fd7a9b78e5d35eebedd58, fa79d54945e13e1679c1726f33598bdd75dbe013)

[jspaetzel]

Will follow-up on CLA asap

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 73.66%. Comparing base (38633fb) to head (0fb4683). Report is 1 commits behind head on main.

Additional details and impacted files

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[brettmc]

@jspaetzel can you run php-cs-fixer to resolve its complaint? Otherwise LGTM and just waiting on CLA to be signed :)

[jspaetzel]

:heavy_check_mark: Thanks y'all!