Address some PHP 8.1 deprecation notices #5658
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According to the docblock, the method is supposed to default to the current working dir, but in reality it could return `null` if nothing was found. This breaks other methods like `::set_wp_root()` which expect a string. Prevents PHP deprecation notices because `null` was passed to `realpath()`.
Prevents PHP deprecation notices when inadvertently passing `null` to the function and thus `rtrim`.
danielbachhuber
approved these changes
Jul 28, 2022
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Ensure
Runner::find_wp_root()always returns a directoryAccording to the docblock, the method is supposed to default to the current working dir, but in reality it could return
nullif nothing was found.This breaks other methods like
::set_wp_root()which expect a string.Prevents PHP deprecation notices because
nullwas passed torealpath().Handle null values in
trailingslashitutilPrevents PHP deprecation notices when inadvertently passing
nullto the function and thusrtrim.