Concentrated issues

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

File Count Analysis
/bl-kernel/admin/themes/booty/html/sidebar.php:388
  •   Several Instructions On The Same Line
  •   Undefined Variable
  •   Empty Instructions
  •   Echo With Concat
  •   Use Class Operator
  •   Preprocessable
/bl-kernel/admin/themes/booty/html/sidebar.php:418
  •   Several Instructions On The Same Line
  •   Undefined Variable
  •   Empty Instructions
  •   Echo With Concat
  •   Use Class Operator
  •   Preprocessable
/bl-kernel/admin/views/edit-user.php:87
  •   Several Instructions On The Same Line
  •   Undefined Variable
  •   Empty Instructions
  •   Echo With Concat
  •   Use Class Operator
  •   Preprocessable
/bl-kernel/admin/views/new-category.php:87
  •   Several Instructions On The Same Line
  •   Undefined Variable
  •   Empty Instructions
  •   Echo With Concat
  •   Use Class Operator
  •   Preprocessable
/bl-kernel/admin/views/new-user.php:87
  •   Several Instructions On The Same Line
  •   Undefined Variable
  •   Empty Instructions
  •   Echo With Concat
  •   Use Class Operator
  •   Preprocessable
/bl-kernel/functions.php:837
  •   PHP Keywords As Names
  •   No Boolean As Default
  •   No Class In Global
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Don't Pollute Global Space
/bl-kernel/helpers/alert.class.php:67
  •   Methods Without Return
  •   Should Use Local Class
  •   Never Used Parameter
  •   Ambiguous Static
  •   Mismatched Default Arguments
  •   Use Class Operator
/bl-kernel/parsedown.class.php:8607
  •   Aliases Usage
  •   Uses Default Values
  •   Wrong Number Of Arguments
  •   Scalar Are Not Arrays
  •   Use Class Operator
  •   Logical Should Use Symbolic Operators
/bl-kernel/parsedown.class.php:7976
  •   Used Once Variables (In Scope)
  •   Strpos()-like Comparison
  •   Undefined Functions
  •   Uses Default Values
  •   Merge If Then
  •   Use Class Operator
/bl-themes/alternative/php/footer.php:36
  •   Used Once Variables (In Scope)
  •   Several Instructions On The Same Line
  •   Undefined Variable
  •   Empty Instructions
  •   Echo With Concat
  •   Preprocessable
/bl-themes/blogx/php/footer.php:36
  •   Used Once Variables (In Scope)
  •   Several Instructions On The Same Line
  •   Undefined Variable
  •   Empty Instructions
  •   Echo With Concat
  •   Preprocessable