3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test_1(int $arg_1, int $arg_2): int{ return $arg_1+$arg_2; } $a = 1; $b = 2; $result = test_1($a, $b); echo $result;
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
3
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Parse error: syntax error, unexpected ':', expecting '{' in /in/tTnDl on line 3
Process exited with code 255.
preferences:
149.65 ms | 402 KiB | 182 Q