Add class properties to avoid Dynamic property warnings.

[dd32]

Fixes #146 (Or at least the ones coming from this class)

[codecov[bot]]

Codecov Report

Merging #149 (7a746f9) into master (682a968) will decrease coverage by 0.48%. The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #149      +/-   ##
============================================
- Coverage     74.06%   73.58%   -0.48%     
  Complexity      165      165              
============================================
  Files             1        1              
  Lines           613      602      -11     
============================================
- Hits            454      443      -11     
  Misses          159      159              

Flag	Coverage Δ
unittests	73.58% <100.00%> (-0.48%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
object-cache.php	73.58% <100.00%> (-0.48%)	:arrow_down:

[Nikschavan]

Hello @dd32 - Is there a plan to merge this PR and tag a release?