3v4l.org

run code in 300+ PHP versions simultaneously
<?php class luke { static $vs = 'vader'; } class vader{ static $say; } vader::$say = function () { echo "I am your father"; }; $luke = 'luke'; ($luke::$vs::$say)();
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
I am your father
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM) in /in/R8SYk on line 7
Process exited with code 255.
preferences:
253.01 ms | 402 KiB | 330 Q