PHP Strategy Pattern

composer.json

.....
"autoload": {
        "psr-4": {"App\\": "src/"}
    }

Handler.php

<?php

namespace App\YourStrategyResolver\Handlers;

interface Handler
{
    public function can(): bool;
    public function do(): array;
}

index.php

<?php

require __DIR_.'vendor/autoload.php';

use App\YourStrategyResolver\Handlers\YourOneStrategyHandler;
use App\YourStrategyResolver\Handlers\YourTwoStrategyHandler;
use App\YourStrategyResolver\YourStrategyResolver;

$strategyResolver = new YourStrategryResolver();

$strategyResolver->addHandler(new YourOneStrategyHandler());
$strategyResolver->addHandler(new YourTwoStrategyHandler());
// .. add some more handlers

// print ['one data']
var_dump($strategyResolver->resolve());

YourOneStrategyHandler.php

<?php

namespace App\YourStrategyResolver\Handlers;

class YourOneStrategyHandler implements Handler
{
    public function can(): bool
    {
        // your logic
        return true;
    }

    public function do(): array
    {
        // your logic
        return ['one data'];
    }
}

YourStrategyResolver.php

<?php

namespace App\YourStrategyResolver;

use App\YourStrategyResolver\Handlers\Handler;

class YourStrategyResolver
{
    /**
     * @var Handler[]
     */
    private $handlers = [];

    public function addHandler(Handler $handler): void
    {
        $this->handlers[] = $handler;
    }

    public function resolve(): ?array
    {
        foreach ($this->handlers as $handler) {
            if ($handler->can()) {
                return $handler->do();
            }
        }

        return null;
    }
}

YourTwoStrategyHandler.php

<?php

namespace App\YourStrategyResolver\Handlers;

class YourTwoStrategyHandler implements Handler
{
    public function can(): bool
    {
        // your logic
        return false;
    }

    public function do(): array
    {
        // your logic
        return ['two data'];
    }
}