Remove useless comments and annotations

Signed-off-by: Maurício Meneghini Fauth <mauricio@fauth.dev>

83 files changed, 35 insertions, 427 deletions

diff --git a/src/Component.php b/src/Component.php
index c461c78..656d318 100644
--- a/src/Component.php
+++ b/src/Component.php
@@ -16,10 +16,6 @@ use Exception;
 /**
  * A component (of a statement) is a part of a statement that is common to
  * multiple query types.
- *
- * @category Components
- *
- * @license  https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 abstract class Component
 {
@@ -31,9 +27,9 @@ abstract class Component
      * @param TokensList $list    the list of tokens that are being parsed
      * @param array      $options parameters for parsing
      *
-     * @throws Exception not implemented yet
-     *
      * @return mixed
+     *
+     * @throws Exception not implemented yet.
      */
     public static function parse(
         Parser $parser,
@@ -54,9 +50,9 @@ abstract class Component
      * @param mixed $component the component to be built
      * @param array $options   parameters for building
      *
-     * @throws Exception not implemented yet
+     * @return mixed
      *
-     * @return string
+     * @throws Exception not implemented yet.
      */
     public static function build($component, array $options = [])
     {
diff --git a/src/Components/AlterOperation.php b/src/Components/AlterOperation.php
index e0c0e0b..09f928f 100644
--- a/src/Components/AlterOperation.php
+++ b/src/Components/AlterOperation.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Parses an alter operation.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class AlterOperation extends Component
 {
@@ -156,8 +152,6 @@ class AlterOperation extends Component
     public $unknown = [];
 
     /**
-     * Constructor.
-     *
      * @param OptionsArray $options options of alter operation
      * @param Expression   $field   altered field
      * @param array        $unknown unparsed tokens found at the end of operation
@@ -331,6 +325,7 @@ class AlterOperation extends Component
      * between column and table alteration
      *
      * @param string $tokenValue Value of current token
+     *
      * @return bool
      */
     private static function checkIfColumnDefinitionKeyword($tokenValue)
diff --git a/src/Components/Array2d.php b/src/Components/Array2d.php
index 7c99952..1ae5c30 100644
--- a/src/Components/Array2d.php
+++ b/src/Components/Array2d.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\Translator;
 
 /**
  * `VALUES` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Array2d extends Component
 {
diff --git a/src/Components/ArrayObj.php b/src/Components/ArrayObj.php
index 2d10ff1..1166a9b 100644
--- a/src/Components/ArrayObj.php
+++ b/src/Components/ArrayObj.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Parses an array.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ArrayObj extends Component
 {
@@ -35,8 +31,6 @@ class ArrayObj extends Component
     public $values = [];
 
     /**
-     * Constructor.
-     *
      * @param array $raw    the unprocessed values
      * @param array $values the processed values
      */
@@ -158,7 +152,6 @@ class ArrayObj extends Component
         //      ()   => array()
         //      (a,) => array('a', '')
         //      (a)  => array('a')
-        //
         $lastRaw = trim($lastRaw);
         if (empty($options['type'])
             && ((strlen($lastRaw) > 0) || ($isCommaLast))
diff --git a/src/Components/CaseExpression.php b/src/Components/CaseExpression.php
index f9f2f76..26c044f 100644
--- a/src/Components/CaseExpression.php
+++ b/src/Components/CaseExpression.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Parses a reference to a CASE expression.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class CaseExpression extends Component
 {
@@ -70,9 +66,6 @@ class CaseExpression extends Component
      */
     public $expr = '';
 
-    /**
-     * Constructor.
-     */
     public function __construct()
     {
     }
diff --git a/src/Components/Condition.php b/src/Components/Condition.php
index 4ad9864..b719b28 100644
--- a/src/Components/Condition.php
+++ b/src/Components/Condition.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `WHERE` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Condition extends Component
 {
@@ -81,8 +77,6 @@ class Condition extends Component
     public $expr;
 
     /**
-     * Constructor.
-     *
      * @param string $expr the condition or the operator
      */
     public function __construct($expr = null)
diff --git a/src/Components/CreateDefinition.php b/src/Components/CreateDefinition.php
index 310038e..243729d 100644
--- a/src/Components/CreateDefinition.php
+++ b/src/Components/CreateDefinition.php
@@ -18,10 +18,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  * Parses the create definition of a column or a key.
  *
  * Used for parsing `CREATE TABLE` statement.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class CreateDefinition extends Component
 {
@@ -144,8 +140,6 @@ class CreateDefinition extends Component
     public $options;
 
     /**
-     * Constructor.
-     *
      * @param string       $name         the name of the field
      * @param OptionsArray $options      the options of this field
      * @param DataType|Key $type         the data type of this field or the key
diff --git a/src/Components/DataType.php b/src/Components/DataType.php
index 242947f..6ebfc94 100644
--- a/src/Components/DataType.php
+++ b/src/Components/DataType.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Parses a data type.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class DataType extends Component
 {
@@ -73,8 +69,6 @@ class DataType extends Component
     public $options;
 
     /**
-     * Constructor.
-     *
      * @param string       $name       the name of this data type
      * @param array        $parameters the parameters (size or possible values)
      * @param OptionsArray $options    the options of this data type
diff --git a/src/Components/Expression.php b/src/Components/Expression.php
index 2c22241..38de90a 100644
--- a/src/Components/Expression.php
+++ b/src/Components/Expression.php
@@ -16,10 +16,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 /**
  * Parses a reference to an expression (column, table or database name, function
  * call, mathematical expression, etc.).
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Expression extends Component
 {
@@ -92,8 +88,6 @@ class Expression extends Component
     public $subquery;
 
     /**
-     * Constructor.
-     *
      * Syntax:
      *     new Expression('expr')
      *     new Expression('expr', 'alias')
diff --git a/src/Components/ExpressionArray.php b/src/Components/ExpressionArray.php
index eb05aac..186693d 100644
--- a/src/Components/ExpressionArray.php
+++ b/src/Components/ExpressionArray.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Parses a list of expressions delimited by a comma.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ExpressionArray extends Component
 {
diff --git a/src/Components/FunctionCall.php b/src/Components/FunctionCall.php
index 073b0e3..b41e6b2 100644
--- a/src/Components/FunctionCall.php
+++ b/src/Components/FunctionCall.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Parses a function call.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class FunctionCall extends Component
 {
@@ -35,8 +31,6 @@ class FunctionCall extends Component
     public $parameters;
 
     /**
-     * Constructor.
-     *
      * @param string         $name       the name of the function to be called
      * @param array|ArrayObj $parameters the parameters of this function
      */
diff --git a/src/Components/GroupKeyword.php b/src/Components/GroupKeyword.php
index bef1ebe..7d95fb2 100644
--- a/src/Components/GroupKeyword.php
+++ b/src/Components/GroupKeyword.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `GROUP BY` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class GroupKeyword extends Component
 {
@@ -28,8 +24,6 @@ class GroupKeyword extends Component
     public $expr;
 
     /**
-     * Constructor.
-     *
      * @param Expression $expr the expression that we are sorting by
      */
     public function __construct($expr = null)
diff --git a/src/Components/IndexHint.php b/src/Components/IndexHint.php
index 7484172..36218df 100644
--- a/src/Components/IndexHint.php
+++ b/src/Components/IndexHint.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Parses an Index hint.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class IndexHint extends Component
 {
@@ -49,8 +45,6 @@ class IndexHint extends Component
     public $indexes = [];
 
     /**
-     * Constructor.
-     *
      * @param string $type       the type of hint (USE/FORCE/IGNORE)
      * @param string $indexOrKey What the hint is for (INDEX/KEY)
      * @param string $for        the clause for which this hint is (JOIN/ORDER BY/GROUP BY)
@@ -86,6 +80,7 @@ class IndexHint extends Component
          *      2 -------------------- [ expr_list ] --------------------> 0
          *      3 -------------- [ JOIN/GROUP BY/ORDER BY ] -------------> 4
          *      4 -------------------- [ expr_list ] --------------------> 0
+         *
          * @var int
          */
         $state = 0;
diff --git a/src/Components/IntoKeyword.php b/src/Components/IntoKeyword.php
index cebfa7a..81cddb8 100644
--- a/src/Components/IntoKeyword.php
+++ b/src/Components/IntoKeyword.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `INTO` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class IntoKeyword extends Component
 {
@@ -88,9 +84,9 @@ class IntoKeyword extends Component
     /**
      * Options for FIELDS/COLUMNS keyword.
      *
-     * @var OptionsArray
-     *
      * @see static::$FIELDS_OPTIONS
+     *
+     * @var OptionsArray
      */
     public $fields_options;
 
@@ -104,15 +100,13 @@ class IntoKeyword extends Component
     /**
      * Options for OPTIONS keyword.
      *
-     * @var OptionsArray
-     *
      * @see static::$LINES_OPTIONS
+     *
+     * @var OptionsArray
      */
     public $lines_options;
 
     /**
-     * Constructor.
-     *
      * @param string            $type           type of destination (may be OUTFILE)
      * @param string|Expression $dest           actual destination
      * @param array             $columns        column list of destination
diff --git a/src/Components/JoinKeyword.php b/src/Components/JoinKeyword.php
index 0c9dd70..91bab01 100644
--- a/src/Components/JoinKeyword.php
+++ b/src/Components/JoinKeyword.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `JOIN` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class JoinKeyword extends Component
 {
@@ -74,14 +70,12 @@ class JoinKeyword extends Component
     public $using;
 
     /**
-     * Constructor.
+     * @see JoinKeyword::$JOINS
      *
      * @param string      $type  Join type
      * @param Expression  $expr  join expression
      * @param Condition[] $on    join conditions
      * @param ArrayObj    $using columns joined
-     *
-     * @see JoinKeyword::$JOINS
      */
     public function __construct($type = null, $expr = null, $on = null, $using = null)
     {
diff --git a/src/Components/Key.php b/src/Components/Key.php
index 92c25ee..669a7c0 100644
--- a/src/Components/Key.php
+++ b/src/Components/Key.php
@@ -16,10 +16,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  * Parses the definition of a key.
  *
  * Used for parsing `CREATE TABLE` statement.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Key extends Component
 {
@@ -76,8 +72,6 @@ class Key extends Component
     public $options;
 
     /**
-     * Constructor.
-     *
      * @param string       $name    the name of the key
      * @param array        $columns the columns covered by this key
      * @param string       $type    the type of this key
diff --git a/src/Components/Limit.php b/src/Components/Limit.php
index e18219d..e0c7199 100644
--- a/src/Components/Limit.php
+++ b/src/Components/Limit.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `LIMIT` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Limit extends Component
 {
@@ -35,8 +31,6 @@ class Limit extends Component
     public $rowCount;
 
     /**
-     * Constructor.
-     *
      * @param int $rowCount the row count
      * @param int $offset   the offset
      */
diff --git a/src/Components/LockExpression.php b/src/Components/LockExpression.php
index 039d011..755825d 100644
--- a/src/Components/LockExpression.php
+++ b/src/Components/LockExpression.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Parses a reference to a LOCK expression.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class LockExpression extends Component
 {
diff --git a/src/Components/OptionsArray.php b/src/Components/OptionsArray.php
index 3e8196b..da73dc6 100644
--- a/src/Components/OptionsArray.php
+++ b/src/Components/OptionsArray.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\Translator;
 
 /**
  * Parses a list of options.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class OptionsArray extends Component
 {
@@ -29,8 +25,6 @@ class OptionsArray extends Component
     public $options = [];
 
     /**
-     * Constructor.
-     *
      * @param array $options The array of options. Options that have a value
      *                       must be an array with at least two keys `name` and
      *                       `expr` or `value`.
diff --git a/src/Components/OrderKeyword.php b/src/Components/OrderKeyword.php
index 7d80683..966758e 100644
--- a/src/Components/OrderKeyword.php
+++ b/src/Components/OrderKeyword.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `ORDER BY` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class OrderKeyword extends Component
 {
@@ -35,8 +31,6 @@ class OrderKeyword extends Component
     public $type;
 
     /**
-     * Constructor.
-     *
      * @param Expression $expr the expression that we are sorting by
      * @param string     $type the sorting type
      */
diff --git a/src/Components/ParameterDefinition.php b/src/Components/ParameterDefinition.php
index 9294273..d7aa293 100644
--- a/src/Components/ParameterDefinition.php
+++ b/src/Components/ParameterDefinition.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * The definition of a parameter of a function or procedure.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ParameterDefinition extends Component
 {
@@ -43,8 +39,6 @@ class ParameterDefinition extends Component
     public $type;
 
     /**
-     * Constructor.
-     *
      * @param string   $name  parameter's name
      * @param string   $inOut parameter's directional type (IN / OUT or None)
      * @param DataType $type  parameter's type
diff --git a/src/Components/PartitionDefinition.php b/src/Components/PartitionDefinition.php
index 487fffd..e67e92f 100644
--- a/src/Components/PartitionDefinition.php
+++ b/src/Components/PartitionDefinition.php
@@ -17,10 +17,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  * Parses the create definition of a partition.
  *
  * Used for parsing `CREATE TABLE` statement.
- *
- * @category   Components
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class PartitionDefinition extends Component
 {
diff --git a/src/Components/Reference.php b/src/Components/Reference.php
index aac73ac..759f3ad 100644
--- a/src/Components/Reference.php
+++ b/src/Components/Reference.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `REFERENCES` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Reference extends Component
 {
@@ -63,8 +59,6 @@ class Reference extends Component
     public $options;
 
     /**
-     * Constructor.
-     *
      * @param Expression   $table   the name of the table referenced
      * @param array        $columns the columns referenced
      * @param OptionsArray $options the options
diff --git a/src/Components/RenameOperation.php b/src/Components/RenameOperation.php
index 0008a41..a2a8d1f 100644
--- a/src/Components/RenameOperation.php
+++ b/src/Components/RenameOperation.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `RENAME TABLE` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class RenameOperation extends Component
 {
@@ -35,8 +31,6 @@ class RenameOperation extends Component
     public $new;
 
     /**
-     * Constructor.
-     *
      * @param Expression $old old expression
      * @param Expression $new new expression containing new name
      */
diff --git a/src/Components/SetOperation.php b/src/Components/SetOperation.php
index eef0f80..1e44650 100644
--- a/src/Components/SetOperation.php
+++ b/src/Components/SetOperation.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `SET` keyword parser.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class SetOperation extends Component
 {
@@ -35,8 +31,6 @@ class SetOperation extends Component
     public $value;
 
     /**
-     * Constructor.
-     *
      * @param string $column Field's name..
      * @param string $value  new value
      */
diff --git a/src/Components/UnionKeyword.php b/src/Components/UnionKeyword.php
index dc06831..3acc66b 100644
--- a/src/Components/UnionKeyword.php
+++ b/src/Components/UnionKeyword.php
@@ -10,10 +10,6 @@ use PhpMyAdmin\SqlParser\Component;
 
 /**
  * `UNION` keyword builder.
- *
- * @category   Keywords
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class UnionKeyword extends Component
 {
diff --git a/src/Context.php b/src/Context.php
index 98e5177..6e699c5 100644
--- a/src/Context.php
+++ b/src/Context.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\Exceptions\LoaderException;
 
 /**
  * Holds the configuration of the context that is currently used.
- *
- * @category Contexts
- *
- * @license  https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 abstract class Context
 {
@@ -468,7 +464,7 @@ abstract class Context
      * @param string $context name of the context or full class name that
      *                        defines the context
      *
-     * @throws LoaderException if the specified context doesn't exist
+     * @throws LoaderException if the specified context doesn't exist.
      */
     public static function load($context = '')
     {
diff --git a/src/Contexts/ContextMariaDb100000.php b/src/Contexts/ContextMariaDb100000.php
index cb0ac6e..b6646bb 100644
--- a/src/Contexts/ContextMariaDb100000.php
+++ b/src/Contexts/ContextMariaDb100000.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MariaDB 10.0.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMariaDb100000 extends Context
 {
diff --git a/src/Contexts/ContextMariaDb100100.php b/src/Contexts/ContextMariaDb100100.php
index 7a419ab..9eca83a 100644
--- a/src/Contexts/ContextMariaDb100100.php
+++ b/src/Contexts/ContextMariaDb100100.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MariaDB 10.1.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMariaDb100100 extends Context
 {
diff --git a/src/Contexts/ContextMariaDb100200.php b/src/Contexts/ContextMariaDb100200.php
index e0923ad..8f088aa 100644
--- a/src/Contexts/ContextMariaDb100200.php
+++ b/src/Contexts/ContextMariaDb100200.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MariaDB 10.2.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMariaDb100200 extends Context
 {
diff --git a/src/Contexts/ContextMariaDb100300.php b/src/Contexts/ContextMariaDb100300.php
index b162600..c631731 100644
--- a/src/Contexts/ContextMariaDb100300.php
+++ b/src/Contexts/ContextMariaDb100300.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MariaDB 10.3.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMariaDb100300 extends Context
 {
diff --git a/src/Contexts/ContextMySql50000.php b/src/Contexts/ContextMySql50000.php
index 5a8322b..7621623 100644
--- a/src/Contexts/ContextMySql50000.php
+++ b/src/Contexts/ContextMySql50000.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MySQL 5.0.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMySql50000 extends Context
 {
diff --git a/src/Contexts/ContextMySql50100.php b/src/Contexts/ContextMySql50100.php
index e4d353e..dbf8f86 100644
--- a/src/Contexts/ContextMySql50100.php
+++ b/src/Contexts/ContextMySql50100.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MySQL 5.1.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMySql50100 extends Context
 {
diff --git a/src/Contexts/ContextMySql50500.php b/src/Contexts/ContextMySql50500.php
index 2ef9b81..b5b0f26 100644
--- a/src/Contexts/ContextMySql50500.php
+++ b/src/Contexts/ContextMySql50500.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MySQL 5.5.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMySql50500 extends Context
 {
diff --git a/src/Contexts/ContextMySql50600.php b/src/Contexts/ContextMySql50600.php
index 5fa8786..f60ae05 100644
--- a/src/Contexts/ContextMySql50600.php
+++ b/src/Contexts/ContextMySql50600.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MySQL 5.6.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMySql50600 extends Context
 {
diff --git a/src/Contexts/ContextMySql50700.php b/src/Contexts/ContextMySql50700.php
index 6f24dc1..412c25b 100644
--- a/src/Contexts/ContextMySql50700.php
+++ b/src/Contexts/ContextMySql50700.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MySQL 5.7.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMySql50700 extends Context
 {
diff --git a/src/Contexts/ContextMySql80000.php b/src/Contexts/ContextMySql80000.php
index df581f5..bfc265f 100644
--- a/src/Contexts/ContextMySql80000.php
+++ b/src/Contexts/ContextMySql80000.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Context for MySQL 8.0.
- *
- * @category   Contexts
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ContextMySql80000 extends Context
 {
diff --git a/src/Core.php b/src/Core.php
index 8783ea8..1d3eeea 100644
--- a/src/Core.php
+++ b/src/Core.php
@@ -13,9 +13,9 @@ class Core
     /**
      * Whether errors should throw exceptions or just be stored.
      *
-     * @var bool
-     *
      * @see static::$errors
+     *
+     * @var bool
      */
     public $strict = false;
 
@@ -26,9 +26,9 @@ class Core
      * error might be false positive or a partial result (even a bad one)
      * might be needed.
      *
-     * @var Exception[]
-     *
      * @see Core::error()
+     *
+     * @var Exception[]
      */
     public $errors = [];
 
@@ -37,7 +37,7 @@ class Core
      *
      * @param Exception $error the error exception
      *
-     * @throws Exception throws the exception, if strict mode is enabled
+     * @throws Exception throws the exception, if strict mode is enabled.
      */
     public function error($error)
     {
diff --git a/src/Exceptions/LexerException.php b/src/Exceptions/LexerException.php
index 857d09b..9731575 100644
--- a/src/Exceptions/LexerException.php
+++ b/src/Exceptions/LexerException.php
@@ -10,10 +10,6 @@ use Exception;
 
 /**
  * Exception thrown by the lexer.
- *
- * @category   Exceptions
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class LexerException extends Exception
 {
@@ -32,8 +28,6 @@ class LexerException extends Exception
     public $pos;
 
     /**
-     * Constructor.
-     *
      * @param string $msg  the message of this exception
      * @param string $ch   the character that produced this exception
      * @param int    $pos  the position of the character
diff --git a/src/Exceptions/LoaderException.php b/src/Exceptions/LoaderException.php
index 41d04ff..54b9234 100644
--- a/src/Exceptions/LoaderException.php
+++ b/src/Exceptions/LoaderException.php
@@ -10,10 +10,6 @@ use Exception;
 
 /**
  * Exception thrown by the lexer.
- *
- * @category   Exceptions
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class LoaderException extends Exception
 {
@@ -25,8 +21,6 @@ class LoaderException extends Exception
     public $name;
 
     /**
-     * Constructor.
-     *
      * @param string $msg  the message of this exception
      * @param string $name the character that produced this exception
      * @param int    $code the code of this error
diff --git a/src/Exceptions/ParserException.php b/src/Exceptions/ParserException.php
index 4cf6977..ae63f07 100644
--- a/src/Exceptions/ParserException.php
+++ b/src/Exceptions/ParserException.php
@@ -11,10 +11,6 @@ use PhpMyAdmin\SqlParser\Token;
 
 /**
  * Exception thrown by the parser.
- *
- * @category   Exceptions
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ParserException extends Exception
 {
@@ -26,8 +22,6 @@ class ParserException extends Exception
     public $token;
 
     /**
-     * Constructor.
-     *
      * @param string $msg   the message of this exception
      * @param Token  $token the token that produced this exception
      * @param int    $code  the code of this error
diff --git a/src/Lexer.php b/src/Lexer.php
index 7fc1a75..2479410 100644
--- a/src/Lexer.php
+++ b/src/Lexer.php
@@ -33,10 +33,6 @@ if (! defined('USE_UTF_STRINGS')) {
  *
  * The output of the lexer is affected by the context of the SQL statement.
  *
- * @category Lexer
- *
- * @license  https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
- *
  * @see      Context
  */
 class Lexer extends Core
@@ -158,8 +154,6 @@ class Lexer extends Core
     }
 
     /**
-     * Constructor.
-     *
      * @param string|UtfString $str       the query to be lexed
      * @param bool             $strict    whether strict mode should be
      *                                    enabled or not
@@ -353,7 +347,7 @@ class Lexer extends Core
      * @param int    $pos  the position of the character
      * @param int    $code the code of the error
      *
-     * @throws LexerException throws the exception, if strict mode is enabled
+     * @throws LexerException throws the exception, if strict mode is enabled.
      */
     public function error($msg, $str = '', $pos = 0, $code = 0)
     {
diff --git a/src/Parser.php b/src/Parser.php
index 91524fd..902fa49 100644
--- a/src/Parser.php
+++ b/src/Parser.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\Statements\TransactionStatement;
 /**
  * Takes multiple tokens (contained in a Lexer instance) as input and builds a
  * parse tree.
- *
- * @category Parser
- *
- * @license  https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Parser extends Core
 {
@@ -356,8 +352,6 @@ class Parser extends Core
     public $brackets = 0;
 
     /**
-     * Constructor.
-     *
      * @param string|UtfString|TokensList $list   the list of tokens to be parsed
      * @param bool                        $strict whether strict mode should be enabled or not
      */
@@ -597,7 +591,7 @@ class Parser extends Core
      * @param Token  $token the token that produced the error
      * @param int    $code  the code of the error
      *
-     * @throws ParserException throws the exception, if strict mode is enabled
+     * @throws ParserException throws the exception, if strict mode is enabled.
      */
     public function error($msg, Token $token = null, $code = 0)
     {
diff --git a/src/Statement.php b/src/Statement.php
index a199219..6617da7 100644
--- a/src/Statement.php
+++ b/src/Statement.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\Components\OptionsArray;
 
 /**
  * Abstract statement definition.
- *
- * @category Statements
- *
- * @license  https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 abstract class Statement
 {
@@ -61,9 +57,9 @@ abstract class Statement
     /**
      * The options of this query.
      *
-     * @var OptionsArray
-     *
      * @see static::$OPTIONS
+     *
+     * @var OptionsArray
      */
     public $options;
 
@@ -82,8 +78,6 @@ abstract class Statement
     public $last;
 
     /**
-     * Constructor.
-     *
      * @param Parser     $parser the instance that requests parsing
      * @param TokensList $list   the list of tokens to be parsed
      */
diff --git a/src/Statements/AlterStatement.php b/src/Statements/AlterStatement.php
index 0620936..a03b2fc 100644
--- a/src/Statements/AlterStatement.php
+++ b/src/Statements/AlterStatement.php
@@ -16,10 +16,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `ALTER` statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class AlterStatement extends Statement
 {
diff --git a/src/Statements/AnalyzeStatement.php b/src/Statements/AnalyzeStatement.php
index ebc7f70..b14b891 100644
--- a/src/Statements/AnalyzeStatement.php
+++ b/src/Statements/AnalyzeStatement.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\Statement;
  *
  * ANALYZE [NO_WRITE_TO_BINLOG | LOCAL] TABLE
  *  tbl_name [, tbl_name] ...
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class AnalyzeStatement extends Statement
 {
diff --git a/src/Statements/BackupStatement.php b/src/Statements/BackupStatement.php
index 574dc9a..3fab2de 100644
--- a/src/Statements/BackupStatement.php
+++ b/src/Statements/BackupStatement.php
@@ -10,10 +10,6 @@ namespace PhpMyAdmin\SqlParser\Statements;
  * `BACKUP` statement.
  *
  * BACKUP TABLE tbl_name [, tbl_name] ... TO '/path/to/backup/directory'
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class BackupStatement extends MaintenanceStatement
 {
diff --git a/src/Statements/CallStatement.php b/src/Statements/CallStatement.php
index 7b4fc75..6a3de69 100644
--- a/src/Statements/CallStatement.php
+++ b/src/Statements/CallStatement.php
@@ -17,10 +17,6 @@ use PhpMyAdmin\SqlParser\Statement;
  * or
  *
  * CALL sp_name[()]
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class CallStatement extends Statement
 {
diff --git a/src/Statements/CheckStatement.php b/src/Statements/CheckStatement.php
index 789679f..c112f0a 100644
--- a/src/Statements/CheckStatement.php
+++ b/src/Statements/CheckStatement.php
@@ -10,10 +10,6 @@ namespace PhpMyAdmin\SqlParser\Statements;
  * `CHECK` statement.
  *
  * CHECK TABLE tbl_name [, tbl_name] ... [option] ...
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class CheckStatement extends MaintenanceStatement
 {
diff --git a/src/Statements/ChecksumStatement.php b/src/Statements/ChecksumStatement.php
index 3214748..259f287 100644
--- a/src/Statements/ChecksumStatement.php
+++ b/src/Statements/ChecksumStatement.php
@@ -10,10 +10,6 @@ namespace PhpMyAdmin\SqlParser\Statements;
  * `CHECKSUM` statement.
  *
  * CHECKSUM TABLE tbl_name [, tbl_name] ... [ QUICK | EXTENDED ]
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ChecksumStatement extends MaintenanceStatement
 {
diff --git a/src/Statements/CreateStatement.php b/src/Statements/CreateStatement.php
index 300e779..48773bd 100644
--- a/src/Statements/CreateStatement.php
+++ b/src/Statements/CreateStatement.php
@@ -20,10 +20,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `CREATE` statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class CreateStatement extends Statement
 {
@@ -261,11 +257,11 @@ class CreateStatement extends Statement
      *
      * Used by `CREATE TABLE`, `CREATE FUNCTION` and `CREATE PROCEDURE`.
      *
-     * @var OptionsArray
-     *
      * @see static::$TABLE_OPTIONS
      * @see static::$FUNC_OPTIONS
      * @see static::$TRIGGER_OPTIONS
+     *
+     * @var OptionsArray
      */
     public $entityOptions;
 
diff --git a/src/Statements/DeleteStatement.php b/src/Statements/DeleteStatement.php
index 4657411..57e100b 100644
--- a/src/Statements/DeleteStatement.php
+++ b/src/Statements/DeleteStatement.php
@@ -41,11 +41,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  *   FROM tbl_name[.*] [, tbl_name[.*]] ...
  *   USING table_references
  *   [WHERE where_condition]
- *
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class DeleteStatement extends Statement
 {
diff --git a/src/Statements/DropStatement.php b/src/Statements/DropStatement.php
index 453bed1..2713c9b 100644
--- a/src/Statements/DropStatement.php
+++ b/src/Statements/DropStatement.php
@@ -11,10 +11,6 @@ use PhpMyAdmin\SqlParser\Statement;
 
 /**
  * `DROP` statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class DropStatement extends Statement
 {
diff --git a/src/Statements/ExplainStatement.php b/src/Statements/ExplainStatement.php
index 65ea597..15e6add 100644
--- a/src/Statements/ExplainStatement.php
+++ b/src/Statements/ExplainStatement.php
@@ -8,10 +8,6 @@ namespace PhpMyAdmin\SqlParser\Statements;
 
 /**
  * `EXPLAIN` statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ExplainStatement extends NotImplementedStatement
 {
diff --git a/src/Statements/InsertStatement.php b/src/Statements/InsertStatement.php
index ab2149c..6f63235 100644
--- a/src/Statements/InsertStatement.php
+++ b/src/Statements/InsertStatement.php
@@ -48,10 +48,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  *     [ ON DUPLICATE KEY UPDATE
  *       col_name=expr
  *         [, col_name=expr] ... ]
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class InsertStatement extends Statement
 {
diff --git a/src/Statements/LoadStatement.php b/src/Statements/LoadStatement.php
index c5186cf..62ef50f 100644
--- a/src/Statements/LoadStatement.php
+++ b/src/Statements/LoadStatement.php
@@ -36,11 +36,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  *   [IGNORE number {LINES | ROWS}]
  *   [(col_name_or_user_var,...)]
  *   [SET col_name = expr,...]
- *
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class LoadStatement extends Statement
 {
@@ -123,9 +118,9 @@ class LoadStatement extends Statement
     /**
      * Options for FIELDS/COLUMNS keyword.
      *
-     * @var OptionsArray
-     *
      * @see static::$FIELDS_OPTIONS
+     *
+     * @var OptionsArray
      */
     public $fields_options;
 
@@ -139,9 +134,9 @@ class LoadStatement extends Statement
     /**
      * Options for OPTIONS keyword.
      *
-     * @var OptionsArray
-     *
      * @see static::$LINES_OPTIONS
+     *
+     * @var OptionsArray
      */
     public $lines_options;
 
diff --git a/src/Statements/LockStatement.php b/src/Statements/LockStatement.php
index 0166dca..6444586 100644
--- a/src/Statements/LockStatement.php
+++ b/src/Statements/LockStatement.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * `LOCK` statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class LockStatement extends Statement
 {
diff --git a/src/Statements/MaintenanceStatement.php b/src/Statements/MaintenanceStatement.php
index c59bb77..273188f 100644
--- a/src/Statements/MaintenanceStatement.php
+++ b/src/Statements/MaintenanceStatement.php
@@ -18,10 +18,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  *
  * They follow the syntax:
  *     STMT [some options] tbl_name [, tbl_name] ... [some more options]
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class MaintenanceStatement extends Statement
 {
diff --git a/src/Statements/NotImplementedStatement.php b/src/Statements/NotImplementedStatement.php
index 254ca15..dae6f85 100644
--- a/src/Statements/NotImplementedStatement.php
+++ b/src/Statements/NotImplementedStatement.php
@@ -15,10 +15,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  * Not implemented (yet) statements.
  *
  * The `after` function makes the parser jump straight to the first delimiter.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class NotImplementedStatement extends Statement
 {
diff --git a/src/Statements/OptimizeStatement.php b/src/Statements/OptimizeStatement.php
index cd9be0c..c9c4979 100644
--- a/src/Statements/OptimizeStatement.php
+++ b/src/Statements/OptimizeStatement.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\Statement;
  *
  * OPTIMIZE [NO_WRITE_TO_BINLOG | LOCAL] TABLE
  *  tbl_name [, tbl_name] ...
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class OptimizeStatement extends Statement
 {
diff --git a/src/Statements/PurgeStatement.php b/src/Statements/PurgeStatement.php
index 4d16cec..1f74f42 100644
--- a/src/Statements/PurgeStatement.php
+++ b/src/Statements/PurgeStatement.php
@@ -17,10 +17,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  *
  * PURGE { BINARY | MASTER } LOGS
  *   { TO 'log_name' | BEFORE datetime_expr }
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class PurgeStatement extends Statement
 {
diff --git a/src/Statements/RenameStatement.php b/src/Statements/RenameStatement.php
index 17662d3..6e3d0ec 100644
--- a/src/Statements/RenameStatement.php
+++ b/src/Statements/RenameStatement.php
@@ -17,10 +17,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  *
  * RENAME TABLE tbl_name TO new_tbl_name
  *  [, tbl_name2 TO new_tbl_name2] ...
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class RenameStatement extends Statement
 {
diff --git a/src/Statements/RepairStatement.php b/src/Statements/RepairStatement.php
index e17cdee..ee96e3b 100644
--- a/src/Statements/RepairStatement.php
+++ b/src/Statements/RepairStatement.php
@@ -12,10 +12,6 @@ namespace PhpMyAdmin\SqlParser\Statements;
  * REPAIR [NO_WRITE_TO_BINLOG | LOCAL] TABLE
  *  tbl_name [, tbl_name] ...
  *  [QUICK] [EXTENDED] [USE_FRM]
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class RepairStatement extends MaintenanceStatement
 {
diff --git a/src/Statements/ReplaceStatement.php b/src/Statements/ReplaceStatement.php
index 0bbe117..132eef8 100644
--- a/src/Statements/ReplaceStatement.php
+++ b/src/Statements/ReplaceStatement.php
@@ -35,10 +35,6 @@ use PhpMyAdmin\SqlParser\TokensList;
  *   [PARTITION (partition_name,...)]
  *   [(col_name,...)]
  *   SELECT ...
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ReplaceStatement extends Statement
 {
diff --git a/src/Statements/RestoreStatement.php b/src/Statements/RestoreStatement.php
index 6d2a72e..72b2ea2 100644
--- a/src/Statements/RestoreStatement.php
+++ b/src/Statements/RestoreStatement.php
@@ -10,10 +10,6 @@ namespace PhpMyAdmin\SqlParser\Statements;
  * `RESTORE` statement.
  *
  * RESTORE TABLE tbl_name [, tbl_name] ... FROM '/path/to/backup/directory'
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class RestoreStatement extends MaintenanceStatement
 {
diff --git a/src/Statements/SelectStatement.php b/src/Statements/SelectStatement.php
index a770227..97e8fba 100644
--- a/src/Statements/SelectStatement.php
+++ b/src/Statements/SelectStatement.php
@@ -45,10 +45,6 @@ use PhpMyAdmin\SqlParser\Statement;
  *       | INTO DUMPFILE 'file_name'
  *       | INTO var_name [, var_name]]
  *     [FOR UPDATE | LOCK IN SHARE MODE]]
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class SelectStatement extends Statement
 {
@@ -315,9 +311,9 @@ class SelectStatement extends Statement
     /**
      * The end options of this query.
      *
-     * @var OptionsArray
-     *
      * @see static::$END_OPTIONS
+     *
+     * @var OptionsArray
      */
     public $end_options;
 
diff --git a/src/Statements/SetStatement.php b/src/Statements/SetStatement.php
index cc1e487..08e986c 100644
--- a/src/Statements/SetStatement.php
+++ b/src/Statements/SetStatement.php
@@ -12,10 +12,6 @@ use PhpMyAdmin\SqlParser\Statement;
 
 /**
  * `SET` statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class SetStatement extends Statement
 {
@@ -79,9 +75,9 @@ class SetStatement extends Statement
     /**
      * The end options of this query.
      *
-     * @var OptionsArray
-     *
      * @see static::$END_OPTIONS
+     *
+     * @var OptionsArray
      */
     public $end_options;
 
diff --git a/src/Statements/ShowStatement.php b/src/Statements/ShowStatement.php
index d332968..266b74e 100644
--- a/src/Statements/ShowStatement.php
+++ b/src/Statements/ShowStatement.php
@@ -8,10 +8,6 @@ namespace PhpMyAdmin\SqlParser\Statements;
 
 /**
  * `SHOW` statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class ShowStatement extends NotImplementedStatement
 {
diff --git a/src/Statements/TransactionStatement.php b/src/Statements/TransactionStatement.php
index 7c07b5f..f47f86f 100644
--- a/src/Statements/TransactionStatement.php
+++ b/src/Statements/TransactionStatement.php
@@ -13,10 +13,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Transaction statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class TransactionStatement extends Statement
 {
diff --git a/src/Statements/TruncateStatement.php b/src/Statements/TruncateStatement.php
index 519ffaf..9397573 100644
--- a/src/Statements/TruncateStatement.php
+++ b/src/Statements/TruncateStatement.php
@@ -11,10 +11,6 @@ use PhpMyAdmin\SqlParser\Statement;
 
 /**
  * `TRUNCATE` statement.
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class TruncateStatement extends Statement
 {
diff --git a/src/Statements/UpdateStatement.php b/src/Statements/UpdateStatement.php
index 8e6708f..82adeb1 100644
--- a/src/Statements/UpdateStatement.php
+++ b/src/Statements/UpdateStatement.php
@@ -27,10 +27,6 @@ use PhpMyAdmin\SqlParser\Statement;
  * UPDATE [LOW_PRIORITY] [IGNORE] table_references
  *     SET col_name1={expr1|DEFAULT} [, col_name2={expr2|DEFAULT}] ...
  *     [WHERE where_condition]
- *
- * @category   Statements
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class UpdateStatement extends Statement
 {
diff --git a/src/Token.php b/src/Token.php
index f752736..23d1645 100644
--- a/src/Token.php
+++ b/src/Token.php
@@ -11,10 +11,6 @@ namespace PhpMyAdmin\SqlParser;
 /**
  * A structure representing a lexeme that explicitly indicates its
  * categorization for the purpose of parsing.
- *
- * @category Tokens
- *
- * @license  https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Token
 {
@@ -215,8 +211,6 @@ class Token
     public $position;
 
     /**
-     * Constructor.
-     *
      * @param string $token the value of the token
      * @param int    $type  the type of the token
      * @param int    $flags the flags of the token
diff --git a/src/TokensList.php b/src/TokensList.php
index d56fb98..3f08fe6 100644
--- a/src/TokensList.php
+++ b/src/TokensList.php
@@ -10,10 +10,6 @@ use ArrayAccess;
 
 /**
  * A structure representing a list of tokens.
- *
- * @category Tokens
- *
- * @license  https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class TokensList implements ArrayAccess
 {
@@ -39,8 +35,6 @@ class TokensList implements ArrayAccess
     public $idx = 0;
 
     /**
-     * Constructor.
-     *
      * @param array $tokens the initial array of tokens
      * @param int   $count  the count of tokens in the initial array
      */
diff --git a/src/UtfString.php b/src/UtfString.php
index 1a88a6b..06eb773 100644
--- a/src/UtfString.php
+++ b/src/UtfString.php
@@ -20,10 +20,6 @@ use Exception;
  * Implements array-like access for UTF-8 strings.
  *
  * In this library, this class should be used to parse UTF-8 queries.
- *
- * @category Misc
- *
- * @license  https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class UtfString implements ArrayAccess
 {
@@ -68,8 +64,6 @@ class UtfString implements ArrayAccess
     public $charLen = 0;
 
     /**
-     * Constructor.
-     *
      * @param string $str the string
      */
     public function __construct($str)
@@ -144,7 +138,7 @@ class UtfString implements ArrayAccess
      * @param int    $offset the offset to be set
      * @param string $value  the value to be set
      *
-     * @throws Exception not implemented
+     * @throws Exception not implemented.
      */
     public function offsetSet($offset, $value)
     {
@@ -156,7 +150,7 @@ class UtfString implements ArrayAccess
      *
      * @param int $offset the value to be unset
      *
-     * @throws Exception not implemented
+     * @throws Exception not implemented.
      */
     public function offsetUnset($offset)
     {
@@ -170,10 +164,10 @@ class UtfString implements ArrayAccess
      * However, this implementation supports UTF-8 characters containing up to 6
      * bytes.
      *
-     * @param string $byte the byte to be analyzed
-     *
      * @see https://tools.ietf.org/html/rfc3629
      *
+     * @param string $byte the byte to be analyzed
+     *
      * @return int
      */
     public static function getCharLength($byte)
diff --git a/src/Utils/BufferedQuery.php b/src/Utils/BufferedQuery.php
index c2dd074..e2f269a 100644
--- a/src/Utils/BufferedQuery.php
+++ b/src/Utils/BufferedQuery.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\Context;
  * Implements a specialized lexer used to extract statements from large inputs
  * that are being buffered. After each statement has been extracted, a lexer or
  * a parser may be used.
- *
- * @category   Lexer
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class BufferedQuery
 {
@@ -80,8 +76,6 @@ class BufferedQuery
     public $current = '';
 
     /**
-     * Constructor.
-     *
      * @param string $query   the query to be parsed
      * @param array  $options the options of this parser
      */
diff --git a/src/Utils/CLI.php b/src/Utils/CLI.php
index cd27908..240c9dd 100644
--- a/src/Utils/CLI.php
+++ b/src/Utils/CLI.php
@@ -12,10 +12,6 @@ use PhpMyAdmin\SqlParser\Parser;
 
 /**
  * CLI interface.
- *
- * @category   Exceptions
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class CLI
 {
diff --git a/src/Utils/Error.php b/src/Utils/Error.php
index d0f82ed..0f17dc8 100644
--- a/src/Utils/Error.php
+++ b/src/Utils/Error.php
@@ -11,10 +11,6 @@ use PhpMyAdmin\SqlParser\Parser;
 
 /**
  * Error related utilities.
- *
- * @category   Exceptions
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Error
 {
diff --git a/src/Utils/Formatter.php b/src/Utils/Formatter.php
index f4d9576..a357f00 100644
--- a/src/Utils/Formatter.php
+++ b/src/Utils/Formatter.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Utilities that are used for formatting queries.
- *
- * @category   Misc
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Formatter
 {
@@ -70,8 +66,6 @@ class Formatter
     ];
 
     /**
-     * Constructor.
-     *
      * @param array $options the formatting options
      */
     public function __construct(array $options = [])
diff --git a/src/Utils/Misc.php b/src/Utils/Misc.php
index 1d12368..6fcc831 100644
--- a/src/Utils/Misc.php
+++ b/src/Utils/Misc.php
@@ -11,10 +11,6 @@ use PhpMyAdmin\SqlParser\Statements\SelectStatement;
 
 /**
  * Miscellaneous utilities.
- *
- * @category   Misc
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Misc
 {
diff --git a/src/Utils/Query.php b/src/Utils/Query.php
index e22e7f8..837e8f7 100644
--- a/src/Utils/Query.php
+++ b/src/Utils/Query.php
@@ -35,10 +35,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Statement utilities.
- *
- * @category   Statement
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Query
 {
diff --git a/src/Utils/Routine.php b/src/Utils/Routine.php
index 9842ff1..7c024c5 100644
--- a/src/Utils/Routine.php
+++ b/src/Utils/Routine.php
@@ -14,10 +14,6 @@ use PhpMyAdmin\SqlParser\Statements\CreateStatement;
 
 /**
  * Routine utilities.
- *
- * @category   Routines
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Routine
 {
diff --git a/src/Utils/Table.php b/src/Utils/Table.php
index 140ed2a..168061d 100644
--- a/src/Utils/Table.php
+++ b/src/Utils/Table.php
@@ -10,10 +10,6 @@ use PhpMyAdmin\SqlParser\Statements\CreateStatement;
 
 /**
  * Table utilities.
- *
- * @category   Statement
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Table
 {
diff --git a/src/Utils/Tokens.php b/src/Utils/Tokens.php
index b7f5935..e823114 100644
--- a/src/Utils/Tokens.php
+++ b/src/Utils/Tokens.php
@@ -12,10 +12,6 @@ use PhpMyAdmin\SqlParser\TokensList;
 
 /**
  * Token utilities.
- *
- * @category   Token
- *
- * @license    https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
  */
 class Tokens
 {