swap to compact() function in controllers

[Laserroy]

No description provided.

[codecov-commenter]

Codecov Report

Merging #266 into master will increase coverage by 0.26%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #266      +/-   ##
============================================
+ Coverage     73.61%   73.88%   +0.26%     
  Complexity      113      113              
============================================
  Files            44       44              
  Lines           489      494       +5     
============================================
+ Hits            360      365       +5     
  Misses          129      129              

Impacted Files	Coverage Δ	Complexity Δ
app/Http/Controllers/ChapterController.php	100.00% <100.00%> (ø)	2.00 <0.00> (ø)
app/Http/Controllers/ExerciseController.php	100.00% <100.00%> (ø)	2.00 <0.00> (ø)
app/Http/Controllers/MyController.php	100.00% <100.00%> (ø)	2.00 <0.00> (ø)
...p/Http/Controllers/RatingTopCommentsController.php	100.00% <100.00%> (ø)	1.00 <0.00> (ø)
app/Http/Controllers/RatingTopController.php	100.00% <100.00%> (ø)	1.00 <0.00> (ø)
app/Http/Controllers/UserController.php	85.00% <100.00%> (+0.78%)	2.00 <0.00> (ø)
app/Http/Controllers/WelcomeController.php	100.00% <100.00%> (ø)	2.00 <0.00> (ø)

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