Replace array_pop with array_last

[tvdijen]

Closes #22

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.00%. Comparing base (35e5265) to head (221b392).
⚠️ Report is 1 commits behind head on release-3.x.

Additional details and impacted files

@@              Coverage Diff               @@
##             release-3.x      #33   +/-   ##
==============================================
  Coverage          90.00%   90.00%           
+ Complexity           154      147    -7     
==============================================
  Files                 31       31           
  Lines                460      460           
==============================================
  Hits                 414      414           
  Misses                46       46           

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