Download Modern PHP: New Features and Good Practices by Josh Lockhart PDF

By Josh Lockhart

The personal home page language is varied than you have in mind. now not as regards to procedural code and monolithic frameworks, personal home page has skilled a renaissance to turn into a full-featured, mature language with object-orientation, namespaces, and a becoming number of reusable part libraries.

"Modern PHP" unearths those new language positive aspects in motion. writer Josh Lockhart--creator of personal home page the best manner, a well-liked neighborhood initiative--shows you the way to improve personal home page functions utilizing most sensible practices for software structure and making plans, databases, protection, checking out, debugging, and deployment.Learn unique, useful concepts so you might instantly enforce on your Hypertext Preprocessor projectGrow your personal home page skillset with the latest language beneficial properties and glossy most sensible practicesGet on top of things on new language gains of personal home page 5.x (OOP, DateTime, namespaces, qualities, and more)Discover the most recent from the personal home page neighborhood, together with what's new with the Hack programming language and the HipHop digital laptop (HHVM)

Find out how the hot Hypertext Preprocessor has turn into a extra mature language with neighborhood criteria, a transforming into affinity for interoperable elements, and a passionate group dedicated to enhancing functionality.

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It can, how‐ ever, be located beneath a namespace declaration to import code into another namespace. 6, it’s possible to import functions and constants. This requires a tweak to the use keyword syntax. php use constant Namespace\CONST_NAME; echo CONST_NAME; Function and constant aliases work the same as classes. Helpful Tips Multiple imports If you import multiple classes, interfaces, functions, or constants into a single PHP file, you’ll end up with multiple use statements at the top of your PHP file.

Each hierarchy extension represents further specialization. The classical inheritance model works well most of the time. However, what do we do if two unrelated PHP classes need to exhibit similar behavior? For example, a PHP class RetailStore and another PHP class Car are very different classes and don’t share a common parent in their inheritance hierarchies. However, both classes should be geocodable into latitude and longitude coordinates for display on a map. Traits were created for exactly this purpose.

Framework Interoperability | 39 What Is a PSR? PSR is an acronym for PHP standards recommendation. If you’ve recently read a PHPrelated blog, you have probably seen the terms PSR-1, PSR-2, PSR-3, and so on. These are PHP-FIG recommendations. Their names begin with PSR- and end with a number. Each PHP-FIG recommendation solves a specific problem that is frequently encountered by most PHP frameworks. Instead of PHP frameworks continually resolving the same problems, frameworks can instead adopt the PHP-FIG’s recommen‐ dations and build upon shared solutions.

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