PHP 7: What kind of language is it?

PHP 7 is an imperative programming language that supports procedural as well as object-oriented programming. It has limited support for functional programming and language extensions for aspect-oriented programming exist. PHP 7 is dynamically, implicitly, and weakly typed but supports explicit typing and strict type checking when desired. But what does this all mean? Join Sebastian Bergmann on a whirlwind tour through the interesting land of programming language design principles and find out just what a great language PHP is.