3v4l.org

run code in 300+ PHP versions simultaneously
<?php class cls { protected $active = 'false'; public function __construct() { $this->active = 'active'; } public function activate() { $this->active = 'active'; } public function deactivate() { $this->active = 'inactive'; } public function isActive() { return $this->active === 'active'; } public function __toString() { return sprintf('<li class="%s"></li>', $this->active); } } echo new cls;
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
<li class="active"></li>

preferences:
264.2 ms | 404 KiB | 275 Q