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run code in 200+ PHP versions simultaneously
<?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 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! :)"; } } } 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 PcWp4
Output for 7.2.0 - 7.2.6, 7.2.8 - 7.2.12, 7.2.14 - 7.2.17, 7.2.19, 7.2.21 - 7.2.22, 7.2.24 - 7.2.25, 7.2.27 - 7.2.29, 7.3.1, 7.3.3 - 7.3.4, 7.3.7 - 7.3.10, 7.3.13, 7.3.15 - 7.3.17, 7.4.2 - 7.4.5
string(3) "Ok." string(3) "Ok." string(3) "Ok." string(3) "Ok." string(3) "Ok."
Output for 7.2.13, 7.2.18, 7.2.23, 7.3.0, 7.3.2, 7.3.6, 7.3.11 - 7.3.12, 7.4.0 - 7.4.1
Error: could not connect to databasestring(7) "Sad. :(" string(7) "Sad. :(" string(7) "Sad. :(" string(7) "Sad. :(" string(7) "Sad. :("
Output for 7.2.7, 7.2.20, 7.2.26, 7.3.5, 7.3.14
string(7) "Wow! :)" string(7) "Wow! :)" string(7) "Wow! :)" string(7) "Wow! :)" string(7) "Wow! :)"