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June 2, 2017

Top 9 Features of PHP 7.1

PHP 7.1.0 is here with several improvements and new features. To begin with, there is Iterable Pseudo Type which can be used to type hint anything using foreach. Next is a feature that allows to create a closure from any callable function with better performance and error handling, and wrapping scopes.
To assign variables from an array, you can use square braces instead of list(), which is another great feature. When restructuring arrays, you have a new feature of specifying keys. Next, you can now specify visibility modifiers to class constants. And, you can also make a parameter or return value nullable by prepending a question mark (?) to the type hint.
With void functions, you have the feature to specify functions that should not return any value. Another important feature with PHP 7.1.0 is the capability to handle multiple exceptions in a single catch block. And last but not least, there is the ArgumentCountError that will be triggered when a function without required parameters is called.

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