3v4l.org

run code in 300+ PHP versions simultaneously
<?php list($x[], $x[], $x[]) = ['azul', 'amarelo', 'vermelho']; echo $x[0].'-'.$x[1].'-'.$x[2];
Output for 7.0.0 - 7.0.20, 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
azul-amarelo-vermelho
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
vermelho-amarelo-azul

preferences:
192.63 ms | 402 KiB | 272 Q