β Scribed by Lengstorf, Jason; Wald, Keith
No coin nor oath required. For personal study only.
Overview: Take advantage of the improved performance and reduced memory requirements of PHP version 7, and learn to utilize the new built-in PHP functions and features such as typed variable enforcement with declare(strict_types=1) and the new available data types, scalar type declarations for function arguments and return statements, constant arrays using define(), argument unpacking with the ... operator, integer division with intdiv(), the null coalesce operator, the spaceship operator, new exception types, and improvements to existing features.
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