.. _php-newinitializers:

.. _new-initializers:

New Initializers
++++++++++++++++

  Parameters, `static <https://www.php.net/manual/en/language.oop5.static.php>`_ variables and global constants may be initialized with an object. 
This feature is available in PHP 8.1 and more recent. It is reported as an invalid constant expression in older PHP versions.

.. code-block:: php
   
   <?php
   
   function foo( $a = new A) {
       static $static = new B;
   
   }
   
   const A = new C;
   
   ?>

See also `PHP RFC: New in initializers <https://wiki.php.net/rfc/new_in_initializers>`_ and `Nested Attributes`_.

Related PHP errors 
-------------------

  + `0 <https://php-errors.readthedocs.io/en/latest/messages/Constant+expression+contains+invalid+operations.html>`_



Connex PHP features
-------------------

  + `new-in-initializer <https://php-dictionary.readthedocs.io/en/latest/dictionary/new-in-initializer.ini.html>`_
  + `nested-attribute <https://php-dictionary.readthedocs.io/en/latest/dictionary/nested-attribute.ini.html>`_


Specs
_____

+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Short name   | Php/NewInitializers                                                                                                                                                                                                                                                                    |
+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Rulesets     | :ref:`All <ruleset-All>`, :ref:`Appinfo <ruleset-Appinfo>`, :ref:`Changed Behavior <ruleset-Changed-Behavior>`, :ref:`CompatibilityPHP73 <ruleset-CompatibilityPHP73>`, :ref:`CompatibilityPHP74 <ruleset-CompatibilityPHP74>`, :ref:`CompatibilityPHP80 <ruleset-CompatibilityPHP80>` |
+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Exakat since | 2.3.1                                                                                                                                                                                                                                                                                  |
+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| PHP Version  | With PHP 8.1 and more recent                                                                                                                                                                                                                                                           |
+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Severity     | Minor                                                                                                                                                                                                                                                                                  |
+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Time To Fix  | Quick (30 mins)                                                                                                                                                                                                                                                                        |
+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Precision    | Very high                                                                                                                                                                                                                                                                              |
+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Available in | `Entreprise Edition <https://www.exakat.io/entreprise-edition>`_, `Exakat Cloud <https://www.exakat.io/exakat-cloud/>`_                                                                                                                                                                |
+--------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+