\-Exception
|-ErrorException
|-ClosedGeneratorException
|-DOMException
|-LogicException
| |-BadFunctionCallException
| | \-BadMethodCallException
| |-DomainException
| |-InvalidArgumentException
| |-LengthException
| \-OutOfRangeException
|-RuntimeException
| |-OutOfBoundsException
| |-OverflowException
| |-RangeException
| |-UnderflowException
| |-UnexpectedValueException
| |-PDOException
| \-SNMPException
|-IntlException
|-PharException
|-ReflectionException
\-SodiumException

• Make languages readable with Transliterator
• PHP 5.5 Generator during iteration
• Basic usage of PDO

PHP 7.2, Zend 3.0, Symfony 4.0, Laravel 5.6, PHPUnit 6.5, Doctrine 2.8