3v4l.org

run code in 300+ PHP versions simultaneously
<?php class cls{ public $data; public $active; function __construct(){ $this->data = '<li class="'.$this->active.'"></li>'; } function test(){ $this->active = 'active'; return $this->active; } } $cls = new cls; echo $cls->data; // Why __construct() does not update ?
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
<li class=""></li>

preferences:
151.12 ms | 408 KiB | 5 Q