3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ function test(){ static $foo = 0; $foo++; echo $foo; } } (new A)->test(); (new A)->test(); (new A)->test();
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.3.26, 8.4.1 - 8.4.13
123
preferences:
116.83 ms | 408 KiB | 5 Q