3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $class = 'Symfony\Bundle\FrameworkBundle\DependencyInjection\Configuration'; $prefix = 'Twig_'; $l = strlen($prefix); for ($i = 0; $i < 1000000; ++$i) { if (substr($class, 0, $l) === $prefix) {} }
Output for 4.3.0 - 7.1.0