Fix: Use short array syntax

[localheinz]

This PR

• uses short array syntax

[codecov]

Codecov Report

Merging #4585 (a355905) into master (4f1f6e2) will decrease coverage by 0.15%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #4585      +/-   ##
============================================
- Coverage     83.55%   83.39%   -0.16%     
  Complexity     4553     4553              
============================================
  Files           286      286              
  Lines         11759    11759              
============================================
- Hits           9825     9807      -18     
- Misses         1934     1952      +18     

Impacted Files	Coverage Δ	Complexity Δ
src/Util/PHP/WindowsPhpProcess.php	0.00% <0.00%> (-81.82%)	5.00% <0.00%> (ø%)
src/Util/PHP/DefaultPhpProcess.php	43.95% <0.00%> (-7.70%)	33.00% <0.00%> (ø%)
src/Util/ExcludeList.php	65.51% <0.00%> (-3.45%)	14.00% <0.00%> (ø%)
src/Util/PHP/AbstractPhpProcess.php	73.97% <0.00%> (-0.69%)	44.00% <0.00%> (ø%)

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[sebastianbergmann]

Thank you for your contribution. I appreciate the time you invested in preparing this pull request. However, I have decided not to merge it because this file is supposed to still work with PHP 5.3 (maybe older).