3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function bar() { echo 'yes' . $this->hi; } public function fizz() { $this->hi = 'h'; static::bar(); } } $f = new Foo(); $f->fizz();
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property Foo::$hi is deprecated in /in/6KH8i on line 12 yesh
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 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 - 8.1.28
yesh
preferences:
218.05 ms | 404 KiB | 241 Q