[PHP] Implement full PSR/PER code style and use by default
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PHP
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- Java
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Description
### Description
Some things that I noticed, but I'm sure there are more:
* Formatting rules for PHP should adhere to PSR by default
* ~~Formatting rules in the Blank Lines category seem to be impossible to adhere to PSR. Example with traits - according to [PSR](https://www.php-fig.org/psr/psr-12/#42-using-traits) traits should be the first thin inside a class. We have `Before Use Trait` but not `After`. Therefore I must set `Before Function` to 1 to separate traits and functions. Now even if I set `After Class Header` to 0 I will get a blank line when I have a method inside a class but no trait (which would be the most common scenario).~~
Impemented in #6467.
```php
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