Duality of codes in documentation

We should add a "PHP-complaint version" of codes in documentation, eg. on documentation code
```php
pattern($p)->match($m)->first();
```
should also have a second (ultra pseudo-code) version
```php
if (preg::match($p, $s, $m)) {
    return $m[0];
}
throw new SubjectNotMatchedException();
```

The T-Regx way should be the default tough.