- PHP >= 7.4
- Composer (PSR-4 Autoload)
Install library
composer require mrsuh/php-genericsAdd directory for generated files("cache/") to autoload (directory must be placed before the main directory)
composer.json
{
"autoload": {
"psr-4": {
"App\\": ["cache/","src/"]
}
}
}Add generic class src/Box.php
<?php
namespace App;
class Box<T> {
private ?T $data = null;
public function set(T $data): void {
$this->data = $data;
}
public function get(): ?T {
return $this->data;
}
}Add usage generic class src/Usage.php
<?php
namespace App;
class Usage {
public function run(): void
{
$stringBox = new Box<string>();
$stringBox->set('cat');
var_dump($stringBox->get()); // string "cat"
$intBox = new Box<int>();
$intBox->set(1);
var_dump($intBox->get()); // integer 1
}
}Add test with Usage class and composer autoload bin/test.php
<?php
require_once __DIR__ . '/../vendor/autoload.php';
use App\Usage;
$usage = new Usage();
$usage->run();Generate concrete classes from generics
composer dump-generics -vvDump autoload classes
composer dump-autoloadRun bin/test.php script
php bin/test.phpSee the tests folder for more examples.
php bin/test.php- Add directory 00-your-dir-name to ./tests
- Generate output files and check it
php bin/generate.php tests/000-your-dir-name/input tests/000-your-dir-name/output 'Test\'- Test output files
php bin/test.php