str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated

[markconroy]

We're getting the error because of line 35 in the .module file. Let's check for !null before we set this.

Suggest changing

$prev_destination = str_replace($host, "", $request);

to

if ($request !== null) {
    $prev_destination = str_replace($host, "", $request);
  }

[Polynya]

This is fixed by #4