[php-src] Issue #12694: Creation of dynamic property is deprecated !

Issue: https://github.com/php/php-src/issues/12694 Author: Tak-Pesar ### Description The following code: ```php <?php final class Content { protected array $data = array('sequence'=>1); public function &__get(string $property) : mixed { if(isset($this->data[$property]) === false): $this->data[$property] = null; endif; return $this->data[$property]; } public function __set(string $name,mixed $value) : void { $this->data[$name] = $value; } } $content = new Content(); $result = $content->sequence * 2 + 1; $content->sequence += 1; print $result; ``` Result: ``` 3 ``` But sometimes when the number of such requests increases, I receive the following warning : ``` Creation of dynamic property Content::$sequence is deprecated 18 ``` ### PHP Version PHP 8.2.11 ### Operating System Linux