sirbrillig / phpcs-variable-analysis / 12640808375

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Allow finding arrow function variables when arrow function is in file scope (#347)

* Add test for arrow function in global scope

* Still look for arrow func when var scope is 0

`findVariableScopeExceptArrowFunctions()` can return null if it finds no
scope, but it can also return 0 which is the file level scope. The
additional code to look for arrow function scope needs to operate even
on 0.

* Remove duplicate call to findVariableScopeExceptArrowFunctions

* Remove phpcs-import-detection depdendency since it is unused

* Remove ImportDetection on phpcs config

2 of 2 new or added lines in 1 file covered. (100.0%)

1880 of 2004 relevant lines covered (93.81%)

137.02 hits per line