3v4l.org

run code in 200+ php & hhvm versions
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<?php class demo { public $hello = 'hello world!'; function hello() { echo $this->hello; } } $demo = new demo; $demo->hello(); ?>
based on bVZNI
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0rc3
hello world!