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run code in 200+ PHP versions simultaneously
<?php // Psuedo Model 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]; } }; } } // Log our errors and exceptions somewhere. class Logger { public static function log(string $log): void { echo $log; } } // Comment Count value object. final class CommentCount { private $count; public function __construct(int $count) { $this->count = $count; } public function getCount(): int { return $this->count; } } // Our core business logic to work out if we've had a lot of comments or not. class CommentWow { public function wow(CommentCount $commentCount): string { if ($commentCount->getCount() == 0) { return "Sad. :("; } if ($commentCount->getCount() > 0 && $commentCount->getCount() < 5) { return "Ok."; } if ($commentCount->getCount() >= 5) { return "Wow! :)"; } } } // Post model to retrieve comments count for a post. 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(); $wow = new CommentWow(); var_dump($wow->wow($commentCount)); var_dump($wow->wow($commentCount)); var_dump($wow->wow($commentCount)); var_dump($wow->wow($commentCount)); var_dump($wow->wow($commentCount));
based on pCg4d
Output for 7.2.0, 7.2.3, 7.2.5, 7.2.14 - 7.2.15, 7.2.18, 7.2.29, 7.3.1, 7.3.15, 7.4.0, 7.4.5
string(7) "Wow! :)" string(7) "Wow! :)" string(7) "Wow! :)" string(7) "Wow! :)" string(7) "Wow! :)"
Output for 7.2.1, 7.2.4, 7.2.6 - 7.2.10, 7.2.12 - 7.2.13, 7.2.16 - 7.2.17, 7.2.19 - 7.2.27, 7.3.0, 7.3.2 - 7.3.3, 7.3.5 - 7.3.6, 7.3.8, 7.3.10 - 7.3.12, 7.4.1 - 7.4.4
string(3) "Ok." string(3) "Ok." string(3) "Ok." string(3) "Ok." string(3) "Ok."
Output for 7.2.2, 7.2.11, 7.2.28, 7.3.4, 7.3.7, 7.3.9, 7.3.13 - 7.3.14, 7.3.16 - 7.3.17
Error: could not connect to databasestring(7) "Sad. :(" string(7) "Sad. :(" string(7) "Sad. :(" string(7) "Sad. :(" string(7) "Sad. :("