Update keywords

.phpdoc/guide/changelog.rst

@@ -21,18 +21,18 @@ v2.0.0
     OCC\Basics\InterfaceTraits\IteratorAggregate -> OCC\Basics\Interfaces\IteratorAggregateTrait
     OCC\Basics\InterfaceTraits\Iterator          -> OCC\Basics\Interfaces\IteratorTrait
 
-* Renamed internal methods for :php:trait:`OCC\Basics\Traits\Getter` and :php:trait:`OCC\Basics\Traits\Setter` to avoid
-  confusion with regular class methods
+* Prefixed internal methods for :php:trait:`OCC\Basics\Traits\Getter` and :php:trait:`OCC\Basics\Traits\Setter` with
+  `_` to avoid confusion with regular class methods
 
   .. code-block:: php
     // old methods
-    function magicGet{PascalCasePropertyName}(): mixed
-    function magicSet{PascalCasePropertyName}(mixed $value): void
+    function magicGet{Property}(): mixed
+    function magicSet{Property}(mixed $value): void
 
   .. code-block:: php
     // new methods
-    function _magicGet{PascalCasePropertyName}(): mixed
-    function _magicSet{PascalCasePropertyName}(mixed $value): void
+    function _magicGet{Property}(): mixed
+    function _magicSet{Property}(mixed $value): void
 
 **New Features:**
 

.phpdoc/guide/overview/datastructures.rst

@@ -20,7 +20,7 @@ Trying to add an item with a data type not on the list of allowed types to a str
 
 All strict datastructures inherit the implementation of the `\ArrayAccess <https://www.php.net/arrayaccess>`_,
 `\Countable <https://www.php.net/countable>`_ and `\Serializable <https://www.php.net/serializable>`_ interfaces. All
-but `StrictCollection` also implement the `\Traversable <https://www.php.net/traversable>`_ interface.
+but `StrictCollection` also implement a `\Traversable <https://www.php.net/traversable>`_ interface.
 
   Examples:
 
@@ -28,56 +28,57 @@ but `StrictCollection` also implement the `\Traversable <https://www.php.net/tra
     // create a collection of strings
     $stringCollection = new StrictCollection(['string']);
 
+  .. code-block:: php
     // create a queue of PSR-15 middlewares
     $middlewareQueue = new StrictQueue(['Psr\Http\Server\MiddlewareInterface']);
 
-StrictCollection
-================
-
 .. sidebar:: API Documentation
   * :php:class:`OCC\Basics\DataStructures\StrictCollection`
 
+StrictCollection
+================
+
 *A type-sensitive, unsorted collection of items.*
 
 Holds items as key/value pairs where keys identify the items and have to be valid array keys while values can be of any
 controlled type. The collection can be accessed like an array, but not traversed because it has no particular order.
 
 .. note::
-  Internally it holds the items in the `$_data` array, the same as most :php:namespace:`OCC\Basics\Interfaces` and
-  :php:namespace:`OCC\Basics\Traits` of this package.
-
-StrictArray
-================
+  Internally it holds the items in the `$_data` array, the same as most :doc:`interfaces` and :doc:`traits` of this
+  package.
 
 .. sidebar:: API Documentation
   * :php:class:`OCC\Basics\DataStructures\StrictArray`
 
+StrictArray
+================
+
 *A type-sensitive, traversable array of items.*
 
 Holds items as key/value pairs where keys identify the items and have to be valid array keys while values can be of any
 controlled type. The array can be accessed and traversed just like any other array.
 
 .. note::
-  Internally it holds the items in the `$_data` array, the same as most :php:namespace:`OCC\Basics\Interfaces` and
-  :php:namespace:`OCC\Basics\Traits` of this package.
-
-StrictList
-==========
+  Internally it holds the items in the `$_data` array, the same as most :doc:`interfaces` and :doc:`traits` of this
+  package.
 
 .. sidebar:: API Documentation
   * :php:class:`OCC\Basics\DataStructures\StrictList`
 
+StrictList
+==========
+
 *A type-sensitive, taversable list of items.*
 
 Extends `\SplDoublyLinkedList <https://www.php.net/spldoublylinkedlist>`_ with an option to restrict the allowed data
 types for list items. The list can be accessed and traversed like an array, but has only consecutive numerical keys.
 
-StrictQueue
-===========
-
 .. sidebar:: API Documentation
   * :php:class:`OCC\Basics\DataStructures\StrictQueue`
 
+StrictQueue
+===========
+
 *A type-sensitive, taversable queue (FIFO) of items.*
 
 Extends `\SplQueue <https://www.php.net/splqueue>`_ with an option to restrict the allowed data types for queue items.
@@ -87,12 +88,12 @@ first-in, first-out (FIFO) principle meaning that items are returned in the same
 It is recommended to use the `StrictQueue::enqueue()` and `StrictQueue::dequeue()` alias methods when working with a
 queue, because those will ensure proper FIFO behavior and remove items while traversing.
 
-StrictStack
-===========
-
 .. sidebar:: API Documentation
   * :php:class:`OCC\Basics\DataStructures\StrictStack`
 
+StrictStack
+===========
+
 *A type-sensitive, taversable stack (LIFO) of items.*
 
 Extends `\SplStack <https://www.php.net/splstack>`_ with an option to restrict the allowed data types for stack items.

.phpdoc/guide/overview/errorhandlers.rst

@@ -3,25 +3,39 @@
 Error and Exception Handlers
 ############################
 
-.. sidebar:: Table of Contents
-  .. contents::
+.. sidebar:: API Documentation
+  * :php:class:`OCC\Basics\ErrorHandlers\ThrowErrorException`
 
 ThrowErrorException
 ===================
 
-Throws internal errors as exceptions.
+*Throws internal errors as exceptions.*
 
-If registered as error handler, this converts an internal PHP error into an
-`ErrorException`. It respects the `error_reporting` directive.
+If registered as error handler, this handles an internal PHP error by converting it into an `\ErrorException
+<https://www.php.net/errorexception>`_. It respects the `error_reporting <https://www.php.net/error_reporting>`_
+directive by only throwing an exception if the severity of the internal error is the same or higher than the setting.
 
-> Usage: `set_error_handler(new ThrowErrorException());`
+  Usage:
+
+  .. code-block:: php
+    set_error_handler(new ThrowErrorException());
+
+.. caution::
+  By design user-defined error handlers can't handle errors of severity `E_ERROR`, `E_PARSE`, `E_CORE_ERROR`,
+  `E_CORE_WARNING`, `E_COMPILE_ERROR`, `E_COMPILE_WARNING` and most of `E_STRICT`.
+
+.. sidebar:: API Documentation
+  * :php:class:`OCC\Basics\ErrorHandlers\TriggerExceptionError`
 
 TriggerExceptionError
 =====================
 
-Triggers errors for uncaught exceptions.
+*Triggers errors for uncaught exceptions.*
 
-If registered as exception handler, this catches an uncaught exception and
-converts it into an internal PHP error of severity `E_USER_ERROR`.
+If registered as exception handler, this catches an uncaught exception and converts it into an internal PHP error of
+severity `E_USER_ERROR`.
 
-> Usage: `set_exception_handler(new TriggerExceptionError());`
+  Usage:
+
+  .. code-block:: php
+    set_exception_handler(new TriggerExceptionError());

.phpdoc/guide/overview/interfaces.rst

@@ -6,30 +6,85 @@ Interface Traits
 .. sidebar:: Table of Contents
   .. contents::
 
+This package contains some traits implementing common interfaces, which can easily be used in any class that internally
+uses an array for holding its properties or data. They also share the same internal logic to allow combining multiple
+traits within the same class.
+
+.. note::
+  Internally all interface traits use the `$_data` array, the same as some :doc:`datastructures` and :doc:`traits` of
+  this package.
+
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Interfaces\ArrayAccessTrait`
+
 ArrayAccessTrait
 ================
 
-A generic implementation of the ArrayAccess interface.
+*A generic implementation of the ArrayAccess interface.*
 
-Internally it accesses the protected `$_data` array.
+The `\ArrayAccess <https://www.php.net/arrayaccess>`_ interface allows objects to be accessed like arrays.
+
+  Usage:
+
+  .. code-block:: php
+    class Foo implements ArrayAccess
+    {
+        use \OCC\Basics\Interfaces\ArrayAccessTrait;
+    }
+
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Interfaces\CountableTrait`
 
 CountableTrait
 ==============
 
-A generic implementation of the Countable interface.
+*A generic implementation of the Countable interface.*
 
-Internally it counts the values of the protected `$_data` array.
+The `\Countable <https://www.php.net/countable>`_ interface allows objects to be used with the `count()
+<https://www.php.net/count>`_ function.
+
+  Usage:
+
+  .. code-block:: php
+    class Foo implements Countable
+    {
+        use \OCC\Basics\Interfaces\CountableTrait;
+    }
+
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Interfaces\IteratorAggregateTrait`
 
 IteratorAggregateTrait
 ======================
 
-A generic implementation of the IteratorAggregate interface.
+*A generic implementation of the IteratorAggregate interface.*
 
-Internally it iterates over the protected `$_data` array.
+The `\IteratorAggregate <https://www.php.net/iteratoraggregate>`_ interface creates an external `\ArrayIterator
+<https://www.php.net/arrayiterator>`_ for traversing the object's internal data array.
+
+  Usage:
+
+  .. code-block:: php
+    class Foo implements IteratorAggregate
+    {
+        use \OCC\Basics\Interfaces\IteratorAggregateTrait;
+    }
+
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Interfaces\IteratorTrait`
 
 IteratorTrait
 =============
 
-A generic implementation of the Iterator interface.
+*A generic implementation of the Iterator interface.*
 
-Internally it iterates over the protected `$_data` array.
+The `\Iterator <https://www.php.net/iterator>`_ interface creates an internal iterator for traversing the object's data
+array.
+
+  Usage:
+
+  .. code-block:: php
+    class Foo implements Iterator
+    {
+        use \OCC\Basics\Interfaces\IteratorTrait;
+    }

.phpdoc/guide/overview/traits.rst

@@ -6,73 +6,108 @@ Traits
 .. sidebar:: Table of Contents
   .. contents::
 
+This package provides a number of generic traits like different getter and setter methods, an implementation of the
+singleton design pattern and some little helpers. Those traits are too small to justify their own packages and most of them
+are dependencies of the :doc:`datastructures` and :doc:`interfaces` anyway.
+
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Traits\Getter`
+
 Getter
 ======
 
-Reads data from inaccessible properties by using magic methods.
+*Reads data from inaccessible properties by using magic methods.*
 
-To make a `protected` or `private` property readable, provide a method named
-`_magicGet{Property}()` which handles the reading. Replace `{Property}` in
-the method's name with the name of the actual property (with an uppercase
-first letter).
+To make a `protected` or `private` property readable, provide a method named `_magicGet{Property}()` which handles the
+reading. Replace `{Property}` in the method's name with the name of the actual property (with an uppercase first
+letter).
 
-> Example: If the property is named `$fooBar`, the "magic" method has to be
-> `_magicGetFooBar()`. This method is then called when `$fooBar` is read in
-> a context where it normally would not be accessible.
+Trying to access an undefined property or a property without corresponding "magic" getter method will result in an
+`\InvalidArgumentException <https://www.php.net/invalidargumentexception>`_.
 
-OverloadingGetter
-=================
+  Example: If the property is named `$fooBar`, the "magic" method has to be `_magicGetFooBar()`. This method is then
+  called when `$fooBar` is read in a context where it normally would not be accessible.
 
-Overloads a class with readable magic properties.
-
-Internally it reads the protected `$_data` array whose keys are interpreted
-as property names.
-
-> Example: Reading `Foo->bar` will return the value of `$_data['bar']`.
-
-OverloadingSetter
-=================
-
-Overloads a class with writable magic properties.
-
-Internally it writes the protected `$_data` array whose keys are interpreted
-as property names.
-
-> Example: `Foo->bar = 42;` will set `$_data['bar']` to `42`.
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Traits\Setter`
 
 Setter
 ======
 
-Writes data to inaccessible properties by using magic methods.
+*Writes data to inaccessible properties by using magic methods.*
 
-To make a `protected` or `private` property writable, provide a method named
-`_magicSet{Property}()` which handles the writing. Replace `{Property}` in
-the method's name with the name of the actual property (with an uppercase
-first letter).
+To make a `protected` or `private` property writable, provide a method named `_magicSet{Property}()` which handles the
+writing. Replace `{Property}` in the method's name with the name of the actual property (with an uppercase first
+letter).
 
-> Example: If the property is named `$fooBar`, the "magic" method has to be
-> `_magicSetFooBar()`. This method is then called when `$fooBar` is written
-> to in a context where it normally would not be accessible.
+Trying to access an undefined property or a property without corresponding "magic" setter method will result in an
+`\InvalidArgumentException <https://www.php.net/invalidargumentexception>`_.
+
+  Example: If the property is named `$fooBar`, the "magic" method has to be `_magicSetFooBar()`. This method is then
+  called when `$fooBar` is written to in a context where it normally would not be accessible.
+
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Traits\OverloadingGetter`
+
+OverloadingGetter
+=================
+
+*Overloads a class with readable virtual properties.*
+
+It reads a protected internal array whose keys are interpreted as property names.
+
+Trying to access an undefined virtual property will not issue any warning or error, but return `NULL` instead.
+
+  Example: Reading `Foo->bar` will return the value of `Foo::$_data['bar']`.
+
+.. note::
+  Internally it uses the `$_data` array, the same as some :doc:`datastructures` and all :doc:`interfaces` of this
+  package.
+
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Traits\OverloadingSetter`
+
+OverloadingSetter
+=================
+
+*Overloads a class with writable virtual properties.*
+
+It writes a protected internal array whose keys are interpreted as property names.
+
+Trying to access a previously undefined virtual property will create a new one with the given name.
+
+  Example: `Foo->bar = 42;` will set `Foo::$_data['bar']` to `42`.
+
+.. note::
+  Internally it uses the `$_data` array, the same as some :doc:`datastructures` and all :doc:`interfaces` of this
+  package.
+
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Traits\Singleton`
 
 Singleton
 =========
 
-Allows just a single instance of the class using this trait.
+*Allows just a single instance of the class using this trait.*
 
-Get the singleton by calling the static method `getInstance()`.
+Get the singleton by calling the static method `getInstance()`. If there is no object yet, the constructor is called
+with the same arguments as `getInstance()`. Any later call will just return the already instantiated object
+(irrespective of the given arguments).
 
-If there is no object yet, the constructor is called with the same arguments
-as `getInstance()`. Any later call will just return the already instantiated
-object (irrespective of the given arguments).
+.. caution::
+  In order for this to work as expected, the constructor has to be implemented as `private` to prevent direct
+  instantiation of the class.
 
-In order for this to work as expected, the constructor has to be implemented
-as `private` to prevent direct instantiation of the class.
+.. sidebar:: API Documentation
+  * :php:trait:`OCC\Basics\Traits\TypeChecker`
 
 TypeChecker
 ===========
 
-A generic data type checker.
+*A generic data type checker.*
 
-This allows to set a list of allowed atomic data types and fully qualified
-class names. It also provides a method to check if a value's data type matches
-at least one of these types.
+This allows to set a list of allowed atomic data types and fully qualified class names. It also provides a method to
+check if a value's data type matches at least one of these types.
+
+Available atomic types are `array`, `bool`, `callable`, `countable`, `float` / `double`, `int` / `integer` / `long`,
+`iterable`, `null`, `numeric`, `object`, `resource`, `scalar` and `string`.

composer.json

@@ -13,12 +13,14 @@
         "OverloadingSetter",
         "Setter",
         "Singleton",
+        "StrictArray",
         "StrictCollection",
         "StrictList",
         "StrictQueue",
         "StrictStack",
         "ThrowErrorException",
-        "TriggerExceptionError"
+        "TriggerExceptionError",
+        "TypeChecker"
     ],
     "homepage": "https://opencultureconsulting.github.io/php-basics/",
     "readme": "README.md",

doc/files/src/ErrorHandlers/ThrowErrorException.php.txt

@@ -52,12 +52,8 @@ class ThrowErrorException
      *
      * @throws ErrorException if `error_reporting` is set to report the error
      */
-    public function __invoke(
-        int $errno = E_USER_ERROR,
-        string $errstr = '',
-        ?string $errfile = null,
-        ?int $errline = null
-    ): bool {
+    public function __invoke(int $errno = E_USER_ERROR, string $errstr = '', ?string $errfile = null, ?int $errline = null): bool
+    {
         if ((error_reporting() & $errno) > 0) {
             throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
         }

doc/files/src/Traits/Getter.php.txt

@@ -65,7 +65,7 @@ trait Getter
         } else {
             throw new InvalidArgumentException(
                 sprintf(
-                    'Invalid property or missing getter method for property: %s->%s.',
+                    'Invalid property or missing getter method for property: %s::$%s.',
                     static::class,
                     $property
                 )

doc/files/src/Traits/Setter.php.txt

@@ -65,7 +65,7 @@ trait Setter
         } else {
             throw new InvalidArgumentException(
                 sprintf(
-                    'Invalid property or missing setter method for property: %s->%s.',
+                    'Invalid property or missing setter method for property: %s::$%s.',
                     static::class,
                     $property
                 )

doc/guides/changelog.html

@@ -193,14 +193,14 @@ OCC\Basics\InterfaceTraits\Countable         -> OCC\Basics\Interfaces\Countab
 OCC\Basics\InterfaceTraits\IteratorAggregate -> OCC\Basics\Interfaces\IteratorAggregateTrait
 OCC\Basics\InterfaceTraits\Iterator          -&gt; OCC\Basics\Interfaces\IteratorTrait</code></pre></li>
 
-    <li><p>Renamed internal methods for <a href="classes/OCC-Basics-Traits-Getter.html"><abbr title="\OCC\Basics\Traits\Getter">Getter</abbr></a>
+    <li><p>Prefixed internal methods for <a href="classes/OCC-Basics-Traits-Getter.html"><abbr title="\OCC\Basics\Traits\Getter">Getter</abbr></a>
  and <a href="classes/OCC-Basics-Traits-Setter.html"><abbr title="\OCC\Basics\Traits\Setter">Setter</abbr></a>
- to avoid
-confusion with regular class methods</p><pre><code class="language-php">// old methods
-function magicGet{PascalCasePropertyName}(): mixed
-function magicSet{PascalCasePropertyName}(mixed $value): void</code></pre><pre><code class="language-php">// new methods
-function _magicGet{PascalCasePropertyName}(): mixed
-function _magicSet{PascalCasePropertyName}(mixed $value): void</code></pre></li>
+ with
+<code>_</code> to avoid confusion with regular class methods</p><pre><code class="language-php">// old methods
+function magicGet{Property}(): mixed
+function magicSet{Property}(mixed $value): void</code></pre><pre><code class="language-php">// new methods
+function _magicGet{Property}(): mixed
+function _magicSet{Property}(mixed $value): void</code></pre></li>
 
 </ul>
 

doc/guides/overview/datastructures.html

@@ -188,16 +188,11 @@ class names you want to allow as item types. Available atomic types are <code>ar
 .</p>
             <p>All strict datastructures inherit the implementation of the <a href="https://www.php.net/arrayaccess">\ArrayAccess</a>,
 <a href="https://www.php.net/countable">\Countable</a> and <a href="https://www.php.net/serializable">\Serializable</a> interfaces. All
-but <code>StrictCollection</code> also implement the <a href="https://www.php.net/traversable">\Traversable</a> interface.</p>
+but <code>StrictCollection</code> also implement a <a href="https://www.php.net/traversable">\Traversable</a> interface.</p>
             <blockquote><p>Examples:</p><pre><code class="language-php">// create a collection of strings
-$stringCollection = new StrictCollection([&#039;string&#039;]);
-
-// create a queue of PSR-15 middlewares
+$stringCollection = new StrictCollection([&#039;string&#039;]);</code></pre><pre><code class="language-php">// create a queue of PSR-15 middlewares
 $middlewareQueue = new StrictQueue([&#039;Psr\Http\Server\MiddlewareInterface&#039;]);</code></pre></blockquote>
 
-            <div class="section" id="strictcollection">
-    <h2>StrictCollection</h2>
-
             <div class="admonition-wrapper">
     <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
         
@@ -211,24 +206,22 @@ $middlewareQueue = new StrictQueue([&#039;Psr\Http\Server\MiddlewareInterface&#0
     </div>
 </div>
 
+            <div class="section" id="strictcollection">
+    <h2>StrictCollection</h2>
+
             <p><em>A type-sensitive, unsorted collection of items.</em></p>
             <p>Holds items as key/value pairs where keys identify the items and have to be valid array keys while values can be of any
 controlled type. The collection can be accessed like an array, but not traversed because it has no particular order.</p>
             <div class="phpdocumentor-admonition note">
             <svg class="phpdocumentor-admonition__icon" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 8h10M7 12h4m1 8l-4-4H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-3l-4 4z"></path></svg>
                     <article>
-        <p>Internally it holds the items in the <code>$_data</code> array, the same as most <a href="namespaces/occ-basics-interfaces.html"><abbr title="\OCC\Basics\Interfaces">Interfaces</abbr></a>
- and
-<a href="namespaces/occ-basics-traits.html"><abbr title="\OCC\Basics\Traits">Traits</abbr></a>
- of this package.</p>
+        <p>Internally it holds the items in the <code>$_data</code> array, the same as most <a href="guides/overview/interfaces.html">Interface Traits</a>
+ and <a href="guides/overview/traits.html">Traits</a>
+ of this
+package.</p>
     </article>
 </div>
 
-    </div>
-
-            <div class="section" id="strictarray">
-    <h2>StrictArray</h2>
-
             <div class="admonition-wrapper">
     <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
         
@@ -242,24 +235,24 @@ controlled type. The collection can be accessed like an array, but not traversed
     </div>
 </div>
 
+    </div>
+
+            <div class="section" id="strictarray">
+    <h2>StrictArray</h2>
+
             <p><em>A type-sensitive, traversable array of items.</em></p>
             <p>Holds items as key/value pairs where keys identify the items and have to be valid array keys while values can be of any
 controlled type. The array can be accessed and traversed just like any other array.</p>
             <div class="phpdocumentor-admonition note">
             <svg class="phpdocumentor-admonition__icon" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 8h10M7 12h4m1 8l-4-4H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-3l-4 4z"></path></svg>
                     <article>
-        <p>Internally it holds the items in the <code>$_data</code> array, the same as most <a href="namespaces/occ-basics-interfaces.html"><abbr title="\OCC\Basics\Interfaces">Interfaces</abbr></a>
- and
-<a href="namespaces/occ-basics-traits.html"><abbr title="\OCC\Basics\Traits">Traits</abbr></a>
- of this package.</p>
+        <p>Internally it holds the items in the <code>$_data</code> array, the same as most <a href="guides/overview/interfaces.html">Interface Traits</a>
+ and <a href="guides/overview/traits.html">Traits</a>
+ of this
+package.</p>
     </article>
 </div>
 
-    </div>
-
-            <div class="section" id="strictlist">
-    <h2>StrictList</h2>
-
             <div class="admonition-wrapper">
     <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
         
@@ -273,14 +266,14 @@ controlled type. The array can be accessed and traversed just like any other arr
     </div>
 </div>
 
+    </div>
+
+            <div class="section" id="strictlist">
+    <h2>StrictList</h2>
+
             <p><em>A type-sensitive, taversable list of items.</em></p>
             <p>Extends <a href="https://www.php.net/spldoublylinkedlist">\SplDoublyLinkedList</a> with an option to restrict the allowed data
 types for list items. The list can be accessed and traversed like an array, but has only consecutive numerical keys.</p>
-    </div>
-
-            <div class="section" id="strictqueue">
-    <h2>StrictQueue</h2>
-
             <div class="admonition-wrapper">
     <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
         
@@ -294,17 +287,17 @@ types for list items. The list can be accessed and traversed like an array, but
     </div>
 </div>
 
+    </div>
+
+            <div class="section" id="strictqueue">
+    <h2>StrictQueue</h2>
+
             <p><em>A type-sensitive, taversable queue (FIFO) of items.</em></p>
             <p>Extends <a href="https://www.php.net/splqueue">\SplQueue</a> with an option to restrict the allowed data types for queue items.
 The queue can be accessed and traversed like an array, but has only consecutive numerical keys. Traversal follows the
 first-in, first-out (FIFO) principle meaning that items are returned in the same order they were added to the queue.</p>
             <p>It is recommended to use the <code>StrictQueue::enqueue()</code> and <code>StrictQueue::dequeue()</code> alias methods when working with a
 queue, because those will ensure proper FIFO behavior and remove items while traversing.</p>
-    </div>
-
-            <div class="section" id="strictstack">
-    <h2>StrictStack</h2>
-
             <div class="admonition-wrapper">
     <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
         
@@ -318,6 +311,11 @@ queue, because those will ensure proper FIFO behavior and remove items while tra
     </div>
 </div>
 
+    </div>
+
+            <div class="section" id="strictstack">
+    <h2>StrictStack</h2>
+
             <p><em>A type-sensitive, taversable stack (LIFO) of items.</em></p>
             <p>Extends <a href="https://www.php.net/splstack">\SplStack</a> with an option to restrict the allowed data types for stack items.
 The stack can be accessed and traversed like an array, but has only consecutive numerical keys. Traversal follows the

doc/guides/overview/errorhandlers.html

@@ -172,27 +172,57 @@
     <h1>Error and Exception Handlers</h1>
 
             <div class="admonition-wrapper">
-    <div class="admonition admonition-sidebar"><p class="sidebar-title">Table of Contents</p>
-        <div class="contents"><ul class="phpdocumentor-list"><li class="toc-item"><a href="guides/overview/errorhandlers.html#throwerrorexception">ThrowErrorException</a></li><li class="toc-item"><a href="guides/overview/errorhandlers.html#triggerexceptionerror">TriggerExceptionError</a></li></ul></div>
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-ErrorHandlers-ThrowErrorException.html"><abbr title="\OCC\Basics\ErrorHandlers\ThrowErrorException">ThrowErrorException</abbr></a>
+</li>
+
+</ul>
+
     </div>
 </div>
 
             <div class="section" id="throwerrorexception">
     <h2>ThrowErrorException</h2>
 
-            <p>Throws internal errors as exceptions.</p>
-            <p>If registered as error handler, this converts an internal PHP error into an
-<code>ErrorException</code>. It respects the <code>error_reporting</code> directive.</p>
-            <p>&gt; Usage: <code>set_error_handler(new ThrowErrorException());</code></p>
+            <p><em>Throws internal errors as exceptions.</em></p>
+            <p>If registered as error handler, this handles an internal PHP error by converting it into an <a href="https://www.php.net/errorexception">\ErrorException</a>. It respects the <a href="https://www.php.net/error_reporting">error_reporting</a>
+directive by only throwing an exception if the severity of the internal error is the same or higher than the setting.</p>
+            <blockquote><p>Usage:</p><pre><code class="language-php">set_error_handler(new ThrowErrorException());</code></pre></blockquote>
+
+            <div class="phpdocumentor-admonition caution">
+                <svg class="phpdocumentor-admonition__icon" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"></path></svg>
+                <article>
+        <p>By design user-defined error handlers can&#039;t handle errors of severity <code>E_ERROR</code>, <code>E_PARSE</code>, <code>E_CORE_ERROR</code>,
+<code>E_CORE_WARNING</code>, <code>E_COMPILE_ERROR</code>, <code>E_COMPILE_WARNING</code> and most of <code>E_STRICT</code>.</p>
+    </article>
+</div>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-ErrorHandlers-TriggerExceptionError.html"><abbr title="\OCC\Basics\ErrorHandlers\TriggerExceptionError">TriggerExceptionError</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
     </div>
 
             <div class="section" id="triggerexceptionerror">
     <h2>TriggerExceptionError</h2>
 
-            <p>Triggers errors for uncaught exceptions.</p>
-            <p>If registered as exception handler, this catches an uncaught exception and
-converts it into an internal PHP error of severity <code>E_USER_ERROR</code>.</p>
-            <p>&gt; Usage: <code>set_exception_handler(new TriggerExceptionError());</code></p>
+            <p><em>Triggers errors for uncaught exceptions.</em></p>
+            <p>If registered as exception handler, this catches an uncaught exception and converts it into an internal PHP error of
+severity <code>E_USER_ERROR</code>.</p>
+            <blockquote><p>Usage:</p><pre><code class="language-php">set_exception_handler(new TriggerExceptionError());</code></pre></blockquote>
+
     </div>
 
     </div>

doc/guides/overview/index.html

@@ -216,12 +216,12 @@ other projects.</p>
     <li class="toc-item"><a href="guides/overview/traits.html#traits">Traits</a>        <ul class="section-level-1">
             <li class="toc-item"><a href="guides/overview/traits.html#getter">Getter</a></li>
 
+            <li class="toc-item"><a href="guides/overview/traits.html#setter">Setter</a></li>
+
             <li class="toc-item"><a href="guides/overview/traits.html#overloadinggetter">OverloadingGetter</a></li>
 
             <li class="toc-item"><a href="guides/overview/traits.html#overloadingsetter">OverloadingSetter</a></li>
 
-            <li class="toc-item"><a href="guides/overview/traits.html#setter">Setter</a></li>
-
             <li class="toc-item"><a href="guides/overview/traits.html#singleton">Singleton</a></li>
 
             <li class="toc-item"><a href="guides/overview/traits.html#typechecker">TypeChecker</a></li>

doc/guides/overview/interfaces.html

@@ -177,32 +177,118 @@
     </div>
 </div>
 
+            <p>This package contains some traits implementing common interfaces, which can easily be used in any class that internally
+uses an array for holding its properties or data. They also share the same internal logic to allow combining multiple
+traits within the same class.</p>
+            <div class="phpdocumentor-admonition note">
+            <svg class="phpdocumentor-admonition__icon" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 8h10M7 12h4m1 8l-4-4H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-3l-4 4z"></path></svg>
+                    <article>
+        <p>Internally all interface traits use the <code>$_data</code> array, the same as some <a href="guides/overview/datastructures.html">Typed Datastructures</a>
+ and <a href="guides/overview/traits.html">Traits</a>
+ of
+this package.</p>
+    </article>
+</div>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Interfaces-ArrayAccessTrait.html"><abbr title="\OCC\Basics\Interfaces\ArrayAccessTrait">ArrayAccessTrait</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
             <div class="section" id="arrayaccesstrait">
     <h2>ArrayAccessTrait</h2>
 
-            <p>A generic implementation of the ArrayAccess interface.</p>
-            <p>Internally it accesses the protected <code>$_data</code> array.</p>
+            <p><em>A generic implementation of the ArrayAccess interface.</em></p>
+            <p>The <a href="https://www.php.net/arrayaccess">\ArrayAccess</a> interface allows objects to be accessed like arrays.</p>
+            <blockquote><p>Usage:</p><pre><code class="language-php">class Foo implements ArrayAccess
+{
+    use \OCC\Basics\Interfaces\ArrayAccessTrait;
+}</code></pre></blockquote>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Interfaces-CountableTrait.html"><abbr title="\OCC\Basics\Interfaces\CountableTrait">CountableTrait</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
     </div>
 
             <div class="section" id="countabletrait">
     <h2>CountableTrait</h2>
 
-            <p>A generic implementation of the Countable interface.</p>
-            <p>Internally it counts the values of the protected <code>$_data</code> array.</p>
+            <p><em>A generic implementation of the Countable interface.</em></p>
+            <p>The <a href="https://www.php.net/countable">\Countable</a> interface allows objects to be used with the <a href="https://www.php.net/count">count()</a> function.</p>
+            <blockquote><p>Usage:</p><pre><code class="language-php">class Foo implements Countable
+{
+    use \OCC\Basics\Interfaces\CountableTrait;
+}</code></pre></blockquote>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Interfaces-IteratorAggregateTrait.html"><abbr title="\OCC\Basics\Interfaces\IteratorAggregateTrait">IteratorAggregateTrait</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
     </div>
 
             <div class="section" id="iteratoraggregatetrait">
     <h2>IteratorAggregateTrait</h2>
 
-            <p>A generic implementation of the IteratorAggregate interface.</p>
-            <p>Internally it iterates over the protected <code>$_data</code> array.</p>
+            <p><em>A generic implementation of the IteratorAggregate interface.</em></p>
+            <p>The <a href="https://www.php.net/iteratoraggregate">\IteratorAggregate</a> interface creates an external <a href="https://www.php.net/arrayiterator">\ArrayIterator</a> for traversing the object&#039;s internal data array.</p>
+            <blockquote><p>Usage:</p><pre><code class="language-php">class Foo implements IteratorAggregate
+{
+    use \OCC\Basics\Interfaces\IteratorAggregateTrait;
+}</code></pre></blockquote>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Interfaces-IteratorTrait.html"><abbr title="\OCC\Basics\Interfaces\IteratorTrait">IteratorTrait</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
     </div>
 
             <div class="section" id="iteratortrait">
     <h2>IteratorTrait</h2>
 
-            <p>A generic implementation of the Iterator interface.</p>
-            <p>Internally it iterates over the protected <code>$_data</code> array.</p>
+            <p><em>A generic implementation of the Iterator interface.</em></p>
+            <p>The <a href="https://www.php.net/iterator">\Iterator</a> interface creates an internal iterator for traversing the object&#039;s data
+array.</p>
+            <blockquote><p>Usage:</p><pre><code class="language-php">class Foo implements Iterator
+{
+    use \OCC\Basics\Interfaces\IteratorTrait;
+}</code></pre></blockquote>
+
     </div>
 
     </div>

doc/guides/overview/traits.html

@@ -173,73 +173,186 @@
 
             <div class="admonition-wrapper">
     <div class="admonition admonition-sidebar"><p class="sidebar-title">Table of Contents</p>
-        <div class="contents"><ul class="phpdocumentor-list"><li class="toc-item"><a href="guides/overview/traits.html#getter">Getter</a></li><li class="toc-item"><a href="guides/overview/traits.html#overloadinggetter">OverloadingGetter</a></li><li class="toc-item"><a href="guides/overview/traits.html#overloadingsetter">OverloadingSetter</a></li><li class="toc-item"><a href="guides/overview/traits.html#setter">Setter</a></li><li class="toc-item"><a href="guides/overview/traits.html#singleton">Singleton</a></li><li class="toc-item"><a href="guides/overview/traits.html#typechecker">TypeChecker</a></li></ul></div>
+        <div class="contents"><ul class="phpdocumentor-list"><li class="toc-item"><a href="guides/overview/traits.html#getter">Getter</a></li><li class="toc-item"><a href="guides/overview/traits.html#setter">Setter</a></li><li class="toc-item"><a href="guides/overview/traits.html#overloadinggetter">OverloadingGetter</a></li><li class="toc-item"><a href="guides/overview/traits.html#overloadingsetter">OverloadingSetter</a></li><li class="toc-item"><a href="guides/overview/traits.html#singleton">Singleton</a></li><li class="toc-item"><a href="guides/overview/traits.html#typechecker">TypeChecker</a></li></ul></div>
+    </div>
+</div>
+
+            <p>This package provides a number of generic traits like different getter and setter methods, an implementation of the
+singleton design pattern and some little helpers. Those traits are too small to justify their own packages and most of them
+are dependencies of the <a href="guides/overview/datastructures.html">Typed Datastructures</a>
+ and <a href="guides/overview/interfaces.html">Interface Traits</a>
+ anyway.</p>
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Traits-Getter.html"><abbr title="\OCC\Basics\Traits\Getter">Getter</abbr></a>
+</li>
+
+</ul>
+
     </div>
 </div>
 
             <div class="section" id="getter">
     <h2>Getter</h2>
 
-            <p>Reads data from inaccessible properties by using magic methods.</p>
-            <p>To make a <code>protected</code> or <code>private</code> property readable, provide a method named
-<code>_magicGet{Property}()</code> which handles the reading. Replace <code>{Property}</code> in
-the method&#039;s name with the name of the actual property (with an uppercase
-first letter).</p>
-            <p>&gt; Example: If the property is named <code>$fooBar</code>, the &quot;magic&quot; method has to be
-&gt; <code>_magicGetFooBar()</code>. This method is then called when <code>$fooBar</code> is read in
-&gt; a context where it normally would not be accessible.</p>
+            <p><em>Reads data from inaccessible properties by using magic methods.</em></p>
+            <p>To make a <code>protected</code> or <code>private</code> property readable, provide a method named <code>_magicGet{Property}()</code> which handles the
+reading. Replace <code>{Property}</code> in the method&#039;s name with the name of the actual property (with an uppercase first
+letter).</p>
+            <p>Trying to access an undefined property or a property without corresponding &quot;magic&quot; getter method will result in an
+<a href="https://www.php.net/invalidargumentexception">\InvalidArgumentException</a>.</p>
+            <blockquote><p>Example: If the property is named <code>$fooBar</code>, the &quot;magic&quot; method has to be <code>_magicGetFooBar()</code>. This method is then
+called when <code>$fooBar</code> is read in a context where it normally would not be accessible.</p></blockquote>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Traits-Setter.html"><abbr title="\OCC\Basics\Traits\Setter">Setter</abbr></a>
+</li>
+
+</ul>
+
     </div>
+</div>
 
-            <div class="section" id="overloadinggetter">
-    <h2>OverloadingGetter</h2>
-
-            <p>Overloads a class with readable magic properties.</p>
-            <p>Internally it reads the protected <code>$_data</code> array whose keys are interpreted
-as property names.</p>
-            <p>&gt; Example: Reading <code>Foo-&gt;bar</code> will return the value of <code>$_data[&#039;bar&#039;]</code>.</p>
-    </div>
-
-            <div class="section" id="overloadingsetter">
-    <h2>OverloadingSetter</h2>
-
-            <p>Overloads a class with writable magic properties.</p>
-            <p>Internally it writes the protected <code>$_data</code> array whose keys are interpreted
-as property names.</p>
-            <p>&gt; Example: <code>Foo-&gt;bar = 42;</code> will set <code>$_data[&#039;bar&#039;]</code> to <code>42</code>.</p>
     </div>
 
             <div class="section" id="setter">
     <h2>Setter</h2>
 
-            <p>Writes data to inaccessible properties by using magic methods.</p>
-            <p>To make a <code>protected</code> or <code>private</code> property writable, provide a method named
-<code>_magicSet{Property}()</code> which handles the writing. Replace <code>{Property}</code> in
-the method&#039;s name with the name of the actual property (with an uppercase
-first letter).</p>
-            <p>&gt; Example: If the property is named <code>$fooBar</code>, the &quot;magic&quot; method has to be
-&gt; <code>_magicSetFooBar()</code>. This method is then called when <code>$fooBar</code> is written
-&gt; to in a context where it normally would not be accessible.</p>
+            <p><em>Writes data to inaccessible properties by using magic methods.</em></p>
+            <p>To make a <code>protected</code> or <code>private</code> property writable, provide a method named <code>_magicSet{Property}()</code> which handles the
+writing. Replace <code>{Property}</code> in the method&#039;s name with the name of the actual property (with an uppercase first
+letter).</p>
+            <p>Trying to access an undefined property or a property without corresponding &quot;magic&quot; setter method will result in an
+<a href="https://www.php.net/invalidargumentexception">\InvalidArgumentException</a>.</p>
+            <blockquote><p>Example: If the property is named <code>$fooBar</code>, the &quot;magic&quot; method has to be <code>_magicSetFooBar()</code>. This method is then
+called when <code>$fooBar</code> is written to in a context where it normally would not be accessible.</p></blockquote>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Traits-OverloadingGetter.html"><abbr title="\OCC\Basics\Traits\OverloadingGetter">OverloadingGetter</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
+    </div>
+
+            <div class="section" id="overloadinggetter">
+    <h2>OverloadingGetter</h2>
+
+            <p><em>Overloads a class with readable virtual properties.</em></p>
+            <p>It reads a protected internal array whose keys are interpreted as property names.</p>
+            <p>Trying to access an undefined virtual property will not issue any warning or error, but return <code>NULL</code> instead.</p>
+            <blockquote><p>Example: Reading <code>Foo-&gt;bar</code> will return the value of <code>Foo::$_data[&#039;bar&#039;]</code>.</p></blockquote>
+
+            <div class="phpdocumentor-admonition note">
+            <svg class="phpdocumentor-admonition__icon" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 8h10M7 12h4m1 8l-4-4H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-3l-4 4z"></path></svg>
+                    <article>
+        <p>Internally it uses the <code>$_data</code> array, the same as some <a href="guides/overview/datastructures.html">Typed Datastructures</a>
+ and all <a href="guides/overview/interfaces.html">Interface Traits</a>
+ of this
+package.</p>
+    </article>
+</div>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Traits-OverloadingSetter.html"><abbr title="\OCC\Basics\Traits\OverloadingSetter">OverloadingSetter</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
+    </div>
+
+            <div class="section" id="overloadingsetter">
+    <h2>OverloadingSetter</h2>
+
+            <p><em>Overloads a class with writable virtual properties.</em></p>
+            <p>It writes a protected internal array whose keys are interpreted as property names.</p>
+            <p>Trying to access a previously undefined virtual property will create a new one with the given name.</p>
+            <blockquote><p>Example: <code>Foo-&gt;bar = 42;</code> will set <code>Foo::$_data[&#039;bar&#039;]</code> to <code>42</code>.</p></blockquote>
+
+            <div class="phpdocumentor-admonition note">
+            <svg class="phpdocumentor-admonition__icon" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 8h10M7 12h4m1 8l-4-4H5a2 2 0 01-2-2V6a2 2 0 012-2h14a2 2 0 012 2v8a2 2 0 01-2 2h-3l-4 4z"></path></svg>
+                    <article>
+        <p>Internally it uses the <code>$_data</code> array, the same as some <a href="guides/overview/datastructures.html">Typed Datastructures</a>
+ and all <a href="guides/overview/interfaces.html">Interface Traits</a>
+ of this
+package.</p>
+    </article>
+</div>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Traits-Singleton.html"><abbr title="\OCC\Basics\Traits\Singleton">Singleton</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
     </div>
 
             <div class="section" id="singleton">
     <h2>Singleton</h2>
 
-            <p>Allows just a single instance of the class using this trait.</p>
-            <p>Get the singleton by calling the static method <code>getInstance()</code>.</p>
-            <p>If there is no object yet, the constructor is called with the same arguments
-as <code>getInstance()</code>. Any later call will just return the already instantiated
-object (irrespective of the given arguments).</p>
-            <p>In order for this to work as expected, the constructor has to be implemented
-as <code>private</code> to prevent direct instantiation of the class.</p>
+            <p><em>Allows just a single instance of the class using this trait.</em></p>
+            <p>Get the singleton by calling the static method <code>getInstance()</code>. If there is no object yet, the constructor is called
+with the same arguments as <code>getInstance()</code>. Any later call will just return the already instantiated object
+(irrespective of the given arguments).</p>
+            <div class="phpdocumentor-admonition caution">
+                <svg class="phpdocumentor-admonition__icon" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"></path></svg>
+                <article>
+        <p>In order for this to work as expected, the constructor has to be implemented as <code>private</code> to prevent direct
+instantiation of the class.</p>
+    </article>
+</div>
+
+            <div class="admonition-wrapper">
+    <div class="admonition admonition-sidebar"><p class="sidebar-title">API Documentation</p>
+        
+
+<ul>
+    <li><a href="classes/OCC-Basics-Traits-TypeChecker.html"><abbr title="\OCC\Basics\Traits\TypeChecker">TypeChecker</abbr></a>
+</li>
+
+</ul>
+
+    </div>
+</div>
+
     </div>
 
             <div class="section" id="typechecker">
     <h2>TypeChecker</h2>
 
-            <p>A generic data type checker.</p>
-            <p>This allows to set a list of allowed atomic data types and fully qualified
-class names. It also provides a method to check if a value&#039;s data type matches
-at least one of these types.</p>
+            <p><em>A generic data type checker.</em></p>
+            <p>This allows to set a list of allowed atomic data types and fully qualified class names. It also provides a method to
+check if a value&#039;s data type matches at least one of these types.</p>
+            <p>Available atomic types are <code>array</code>, <code>bool</code>, <code>callable</code>, <code>countable</code>, <code>float</code> / <code>double</code>, <code>int</code> / <code>integer</code> / <code>long</code>,
+<code>iterable</code>, <code>null</code>, <code>numeric</code>, <code>object</code>, <code>resource</code>, <code>scalar</code> and <code>string</code>.</p>
     </div>
 
     </div>

src/ErrorHandlers/ThrowErrorException.php

@@ -53,7 +53,7 @@ class ThrowErrorException
      * @throws ErrorException if `error_reporting` is set to report the error
      */
     public function __invoke(
-        int $errno = E_USER_ERROR,
+        int $errno = \E_USER_ERROR,
         string $errstr = '',
         ?string $errfile = null,
         ?int $errline = null

src/ErrorHandlers/TriggerExceptionError.php

@@ -57,6 +57,6 @@ class TriggerExceptionError
             $exception->getLine(),
             $exception->getMessage()
         );
-        trigger_error($message, E_USER_ERROR);
+        trigger_error($message, \E_USER_ERROR);
     }
 }

src/Traits/Getter.php

@@ -65,7 +65,7 @@ trait Getter
         } else {
             throw new InvalidArgumentException(
                 sprintf(
-                    'Invalid property or missing getter method for property: %s->%s.',
+                    'Invalid property or missing getter method for property: %s::$%s.',
                     static::class,
                     $property
                 )

src/Traits/Setter.php

@@ -65,7 +65,7 @@ trait Setter
         } else {
             throw new InvalidArgumentException(
                 sprintf(
-                    'Invalid property or missing setter method for property: %s->%s.',
+                    'Invalid property or missing setter method for property: %s::$%s.',
                     static::class,
                     $property
                 )