3v4l.org

run code in 300+ PHP versions simultaneously
<?php function sum (int ...$numbers) : int { return array_sum($numbers); } var_dump(sum(1, 2, 3));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
int(6)
Output for 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/4ROo6 on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/4ROo6 on line 3
Process exited with code 255.
preferences:
147.55 ms | 401 KiB | 183 Q