Concentrated issues

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

File Count Analysis
/system/views/kohana/error.php:6012
  •   Used Once Variables (In Scope)
  •   Several Instructions On The Same Line
  •   PHP Keywords As Names
  •   Wrong Type For Native PHP Function
  •   Undefined Variable
  •   Empty Instructions
/modules/orm/classes/Kohana/ORM/Validation/Exception.php:3411
  •   PHP Keywords As Names
  •   Undefined Classes
  •   Undefined Interfaces
  •   Parent First
  •   Never Used Parameter
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
  •   Incompatible Signature Methods With Covariance
/modules/userguide/classes/Kohana/Controller/Userguide.php:679
  •   Used Once Variables (In Scope)
  •   Iffectations
  •   Written Only Variables
  •   Buried Assignation
  •   Assign With And
  •   Logical Should Use Symbolic Operators
/system/classes/Kohana/Debug.php:809
  •   Iffectations
  •   PHP Keywords As Names
  •   Buried Assignation
  •   Drop Else After Return
  •   Nested Ifthen
  •   No Need For Else
  •   Logical Should Use Symbolic Operators
/system/classes/Kohana/Form.php:3739
  •   Should Use Local Class
  •   Never Used Parameter
  •   No Boolean As Default
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
  •   Assumptions
/system/classes/Kohana/HTTP/Exception/Expected.php:319
  •   Undefined Classes
  •   Undefined Interfaces
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
  •   Incompatible Signature Methods With Covariance
/system/classes/Kohana/Validation/Exception.php:229
  •   Undefined Classes
  •   Undefined Interfaces
  •   Parent First
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
  •   Incompatible Signature Methods With Covariance
/system/classes/Kohana/HTML.php:2068
  •   Should Use Local Class
  •   No Boolean As Default
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
  •   Assumptions
/system/classes/Kohana/HTTP/Exception.php:408
  •   Undefined Classes
  •   Undefined Interfaces
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
  •   Incompatible Signature Methods With Covariance
/public/index.php:1067
  •   Undefined Functions
  •   Uses Default Values
  •   Or Die
  •   Implied If
  •   Exit() Usage
  •   Use Class Operator
  •   Logical Should Use Symbolic Operators
/system/classes/Kohana/Core.php:9807
  •   Strict Comparison With Booleans
  •   Iffectations
  •   Uses Default Values
  •   Buried Assignation
  •   Assign With And
  •   Logical Should Use Symbolic Operators
/system/classes/Kohana/Form.php:2527
  •   Should Use Local Class
  •   Never Used Parameter
  •   Ambiguous Static
  •   Mismatched Typehint
  •   Hidden Nullable
  •   Max Level Of Nesting
/system/classes/Kohana/HTML.php:1057
  •   Should Use Local Class
  •   No Boolean As Default
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
/system/classes/Kohana/HTML.php:1567
  •   Should Use Local Class
  •   No Boolean As Default
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
/system/classes/Kohana/HTML.php:2397
  •   Should Use Local Class
  •   No Boolean As Default
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
/system/classes/Kohana/HTML.php:2697
  •   Should Use Local Class
  •   No Boolean As Default
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
/system/classes/Kohana/Kohana/Exception.php:507
  •   Undefined Classes
  •   Undefined Interfaces
  •   Parent First
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
/system/classes/Kohana/Request.php:6857
  •   Undefined Functions
  •   Uses Default Values
  •   Wrong Parameter Type
  •   Could Make A Function
  •   Variable Is Not A Condition
  •   Unsupported Types With Operators
  •   Logical Should Use Symbolic Operators
/system/tests/kohana/HTMLTest.php:3437
  •   Used Once Variables (In Scope)
  •   Methods Without Return
  •   Unused Arguments
  •   No Boolean As Default
  •   Use Named Boolean In Argument Definition
  •   Mismatched Typehint
  •   Hidden Nullable
/modules/unittest/classes/Kohana/Unittest/Tests.php:1036
  •   Undefined Functions
  •   Uses Default Values
  •   Merge If Then
  •   Wrong Type For Native PHP Function
  •   Logical Should Use Symbolic Operators
  •   Else If Versus Elseif
/modules/userguide/vendor/markdown/markdown.php:336
  •   Invalid Constant Name
  •   Multiple Constant Definition
  •   Constants With Strange Names
  •   Use const
  •   Don't Pollute Global Space
  •   @ Operator
/modules/userguide/vendor/markdown/markdown.php:346
  •   Invalid Constant Name
  •   Multiple Constant Definition
  •   Constants With Strange Names
  •   Use const
  •   Don't Pollute Global Space
  •   @ Operator
/modules/userguide/vendor/markdown/markdown.php:376
  •   Invalid Constant Name
  •   Multiple Constant Definition
  •   Constants With Strange Names
  •   Use const
  •   Don't Pollute Global Space
  •   @ Operator
/modules/userguide/vendor/markdown/markdown.php:386
  •   Invalid Constant Name
  •   Multiple Constant Definition
  •   Constants With Strange Names
  •   Use const
  •   Don't Pollute Global Space
  •   @ Operator
/modules/userguide/vendor/markdown/markdown.php:466
  •   Invalid Constant Name
  •   Multiple Constant Definition
  •   Constants With Strange Names
  •   Use const
  •   Don't Pollute Global Space
  •   @ Operator
/modules/userguide/vendor/markdown/markdown.php:476
  •   Invalid Constant Name
  •   Multiple Constant Definition
  •   Constants With Strange Names
  •   Use const
  •   Don't Pollute Global Space
  •   @ Operator
/system/classes/Kohana/Form.php:2276
  •   Should Use Local Class
  •   No Boolean As Default
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Mismatched Typehint
  •   Hidden Nullable
/system/classes/Kohana/URL.php:1956
  •   Should Use Local Class
  •   No Boolean As Default
  •   Ambiguous Static
  •   Use Named Boolean In Argument Definition
  •   Mismatched Default Arguments
  •   Hidden Nullable