Stern PHP Type Safety: Make class function calls invoke strict versions

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Version License PHP version Categories
stern 1.0MIT/X Consortium ...5Language, PHP 7
Description Author

This package can make class function calls invoke strict versions.

It provides a trait that can be used by any class, so when missing functions of the class are called, it can forward the calls to functions with the prefix strict, so PHP 7 based strict type checking of the parameters values passed to the class is performed.

Innovation Award
PHP Programming Innovation award nominee
June 2020
Number 9
PHP 7 introduced the possibility to impose stricter restrictions to the types of the values passed or returned by class functions.

This package provides a simple trait that forces calling stricter versions of PHP class functions, even if applications call past versions of class versions that did not used to be stricter.

Manuel Lemos
Picture of Scott Arciszewski
  Performance   Level  
Name: Scott Arciszewski <contact>
Classes: 25 packages by
Country: United States United States
Age: ???
All time rank: 1366186 in United States United States
Week rank: 52 Up4 in United States United States Up
Innovation award
Innovation award
Nominee: 20x

Winner: 1x

Details

Stern

Build Status Latest Stable Version Latest Unstable Version License

Stern lets you built type-safe PHP projects, even if your project's users aren't writing type-safe code.

Requires PHP 7+

Usage

Using Stern is simply:

  1. Make your class use the `SternTrait`.
  2. Rename your methods from `whateverName` to `strictWhateverName`.
  3. Enjoy strict-typing whether your users like it or not.

Example

  <?php
  declare(strict_types=1);
  namespace YourVendor\YourNamespace;

  class YourClassThatUsesStrictTypes
  {
+      use \ParagonIE\Stern\SternTrait;
  
      /.../
  
-     public function foo(string $param = ''): bool
+     public function strictFoo(string $param = ''): bool
      {
      }
  }

Docblock Usability

For better usability (especially with type-aware IDEs like PHPStorm), make sure you use @method docblocks.

  <?php
  declare(strict_types=1);
  namespace YourVendor\YourNamespace;

+   /
+    * @method bool foo(string $param = '')
+    */
  class YourClassThatUsesStrictTypes
  {
+      use \ParagonIE\Stern\SternTrait;
  
      /.../
  
-     public function foo(string $param = ''): bool
+     public function strictFoo(string $param = ''): bool
      {
      }
  }
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