1 “... and Assertions Error handling Enhancements to PHP's Unicode, closure, and Generator features Changes in Object...”

2 “... Closure Capture Lists to Resolve Reference Cycles in Closures; Implement Class Inheritance and Multiple...”

3 “... intuitive syntax with many of the advanced features, like closures and metaprogramming, found in modern...”

4 “... functions, lambdas, closures, methods of classes, and multiple dispatch Using Python's iterator protocol...”

5