<?php

$i = new ArrayIterator(array(1,7,9,null,40,'dude',3));

$filtered = new RegexIterator($i, '/\d+/');

foreach($filtered as $value) {
    echo $value . PHP_EOL;
}

1
7
9
40
3

• Changing XML data to Yaml with XSLT template
• New features for Generator in PHP 7
• PHP 7.2 Parameter Type Widening - Omit type hints of parent methods

PHP 8.2, Laminas MVC 3.2, Symfony 5.2, Laravel 8.28, PHPUnit 9.5, Doctrine ORM 2.8