<?php

$pdo = new PDO('mysql:dbname=boo;host=127.0.0.1');

$pdo->beginTransaction();

dump($pdo->inTransaction());

// error happens and rollback is invoked
$pdo->rollBack();

dump($pdo->inTransaction());


^ true

^ false

• Second parameter of count function doesn't affect Countable
• Using Closures in OOP
• Change states of objects with SplObjectStorage

PHP 8.0, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8