3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = [1, 2, 3, 4]; $arr2 = [10, 20, 30, 40]; $arr3 = [100, 200, 300, 400]; $result = array_map(fn(... $i) => array_sum($i), $arr1, $arr2, $arr3); print_r($result);
Output for 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 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => 111 [1] => 222 [2] => 333 [3] => 444 )
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ')' in /in/vD0qh on line 7
Process exited with code 255.
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145.05 ms | 407 KiB | 5 Q