Concentrated issues

Here is the list of the lines that generated the most issues.

File Count Analysis
/library/Exakat/Graph/Graph.php:429
  •   Used Once Variables (In Scope)
  •   Methods Without Return
  •   Empty Function
  •   Must Return Methods
  •   Unused Arguments
  •   Should Use Local Class
  •   Method Could Be Static
/library/Exakat/Graph/Graph.php:449
  •   Used Once Variables (In Scope)
  •   Methods Without Return
  •   Empty Function
  •   Must Return Methods
  •   Unused Arguments
  •   Should Use Local Class
  •   Method Could Be Static
/library/Exakat/Tasks/Load.php:62717
  •   Iffectations
  •   Uses Default Values
  •   PHP Keywords As Names
  •   Buried Assignation
  •   Drop Else After Return
  •   No Need For Else
  •   Preprocessable
/library/Exakat/Tasks/Tasks.php:787
  •   Used Once Variables (In Scope)
  •   Iffectations
  •   Uses Default Values
  •   Wrong Access Style to Property
  •   Bail Out Early
  •   @ Operator
/library/Exakat/Configsource/Config.php:346
  •   Used Once Variables (In Scope)
  •   Methods Without Return
  •   Empty Function
  •   Unused Arguments
  •   Should Use Local Class
  •   Method Could Be Static
/library/Exakat/Graph/Helpers/GraphsonV3.php:2946
  •   PHP Keywords As Names
  •   Undefined Classes
  •   Undefined Interfaces
  •   Drop Else After Return
  •   No Need For Else
  •   Unresolved Instanceof
/library/Exakat/Loader/Loader.php:316
  •   Used Once Variables (In Scope)
  •   Methods Without Return
  •   Empty Function
  •   Must Return Methods
  •   Unused Arguments
  •   Typehint Must Be Returned