Fix: Compare with empty array

[localheinz]

This pull request

• compares with empty arrays instead of counting elements

[codecov]

Codecov Report

Merging #661 (dc0e6ea) into main (1416ddc) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##               main     #661   +/-   ##
=========================================
  Coverage     99.03%   99.03%           
  Complexity      145      145           
=========================================
  Files            32       32           
  Lines           519      519           
=========================================
  Hits            514      514           
  Misses            5        5           

Impacted Files	Coverage Δ
src/Vendor/Composer/ConfigHashNormalizer.php	100.00% <100.00%> (ø)
src/Vendor/Composer/PackageHashNormalizer.php	100.00% <100.00%> (ø)
...rc/Vendor/Composer/VersionConstraintNormalizer.php	100.00% <100.00%> (ø)

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