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run code in 300+ PHP versions simultaneously

@ 2020-05-10T09:18:36Z

<?php

class Model 
{
    protected $comments;
    
    public function __construct()
    {
        $this->comments = new class {
            public function count()
            {
                $responses = [
                    1,
                    2,
                    3,
                    "Error: could not connect to database",
                    5
                ];
                
                $rand = rand(0, 4);
                
                if (is_string($responses[$rand])) {
                    throw new Exception($responses[$rand]);
                }
                
                return $responses[$rand];
            }
        };
    }
}

class Logger
{
    public static function log(string $log): void
    {
        echo $log;
    }
}

class CommentCount
{
    private $count;
    
    public function __construct(int $count)
    {
        $this->count = $count;
    }
    
    public function getCount(): int
    {
        return $this->count;
    }
}

class Post extends Model
{
    public function commentCount(): CommentCount
    {
        try {
            return new CommentCount($this->comments->count()); 
        }
        catch (Exception $e) {
            Logger::log($e->getMessage());
            return new CommentCount(0);
        }
    }
}

$post = new Post();
$commentCount = $post->commentCount();

var_dump($commentCount->getCount());
var_dump($commentCount->getCount());
var_dump($commentCount->getCount());
var_dump($commentCount->getCount());
var_dump($commentCount->getCount());

Output for 7.2.0, 7.2.4, 7.2.6, 7.2.8, 7.2.12, 7.2.14, 7.2.18, 7.2.20, 7.3.1, 7.3.5, 7.3.7 - 7.3.8, 7.4.1, 7.4.5: int(2) int(2) int(2) int(2) int(2)
Output for 7.2.29, 7.3.0, 7.3.6, 7.3.16, 7.4.0, 7.4.4: int(5) int(5) int(5) int(5) int(5)
Output for 7.2.3, 7.2.11, 7.2.13, 7.2.15 - 7.2.16, 7.2.19, 7.2.24, 7.2.27 - 7.2.28, 7.3.2 - 7.3.3, 7.3.10 - 7.3.12, 7.3.15, 7.4.3: Error: could not connect to databaseint(0) int(0) int(0) int(0) int(0)
Output for 7.2.1 - 7.2.2, 7.2.5, 7.2.7, 7.2.10, 7.2.17, 7.2.21 - 7.2.23, 7.3.4, 7.3.9, 7.3.13, 7.4.2: int(3) int(3) int(3) int(3) int(3)
Output for 7.2.9, 7.2.25 - 7.2.26, 7.3.14, 7.3.17: int(1) int(1) int(1) int(1) int(1)

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