PHP code example of yceruto / decorator

1. Go to this page and download the library: Download yceruto/decorator library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

yceruto / decorator example snippets


use Yceruto\Decorator\Attribute\DecoratorAttribute;
use Yceruto\Decorator\CallableDecorator;
use Yceruto\Decorator\DecoratorInterface;

#[\Attribute(\Attribute::TARGET_METHOD)]
class Debug extends DecoratorAttribute implements DecoratorInterface
{
    public function decorate(\Closure $func): \Closure
    {
        return function (mixed ...$args) use ($func): mixed
        {
            echo "Do something before\n";

            $result = $func(...$args);

            echo "Do something after\n";

            return $result;
        };
    }
}

class Greeting
{
    #[Debug]
    public function sayHello(string $name): void
    {
        echo "Hello $name!\n";
    }
}

$greeting = new Greeting();
$decorator = new CallableDecorator();
$decorator->call($greeting->sayHello(...), 'John');


use Yceruto\Decorator\Attribute\DecoratorAttribute;
use Yceruto\Decorator\DecoratorInterface;

#[\Attribute(\Attribute::TARGET_METHOD)]
class Debug extends DecoratorAttribute
{
}

class DebugDecorator implements DecoratorInterface
{
    public function decorate(\Closure $func): \Closure
    {
        return function (mixed ...$args) use ($func): mixed
        {
            echo "Do something before\n";

            $result = $func(...$args);

            echo "Do something after\n";

            return $result;
        };
    }
}


#[Debug]
class Greeting
{
    public function __invoke(string $name): void
    {
        echo "Hello $name!\n";
    }
}


use Yceruto\Decorator\Attribute\DecoratorAttribute;
use Yceruto\Decorator\DecoratorInterface;

#[\Attribute(\Attribute::TARGET_METHOD)]
class Debug extends DecoratorAttribute implements DecoratorInterface
{
    public function __construct(
        private readonly string $prefix = '',
    ) {
    }

    public function decorate(\Closure $func, self $debug = new self()): \Closure
    {
        return function (mixed ...$args) use ($func, $debug): mixed
        {
            echo $debug->prefix."Do something before\n";

            $result = $func(...$args);

            echo $debug->prefix."Do something after\n";

            return $result;
        };
    }
}

class Greeting
{
    #[Debug(prefix: 'Greeting: ')]
    public function sayHello(string $name): void
    {
        echo "Hello $name!\n";
    }
}


use Yceruto\Decorator\Attribute\Compound;

#[\Attribute(\Attribute::TARGET_METHOD)]
class Greetings extends Compound
{
    /**
     * @return array<DecoratorAttribute>
     */
    public function getDecorators(array $options): array
    {
        return [
            new Hello(),
            new Welcome(),
            // ...
        ];
    }
}

class Greeting
{
    #[Greetings]
    public function __invoke(): void
    {
        // ...
    }
}