3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = [['a' => 1, 'b' => 2], ['a' => 3, 'b' => 4], ['a' => 5, 'b' => 6]]; $arr2 = [ 'c' => 'd', ...$arr1 ]; var_dump($arr2);
Output for 7.4.0 - 7.4.32, 8.0.0 - 8.0.24, 8.1.0 - 8.1.11
array(4) { ["c"]=> string(1) "d" [0]=> array(2) { ["a"]=> int(1) ["b"]=> int(2) } [1]=> array(2) { ["a"]=> int(3) ["b"]=> int(4) } [2]=> array(2) { ["a"]=> int(5) ["b"]=> int(6) } }
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '...' (T_ELLIPSIS), expecting ']' in /in/pWZLh on line 6
Process exited with code 255.

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