3v4l.org

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<?php $a = [1,2,3]; $z=[4, ...$a]; var_dump($z);
Output for 7.4.4 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(4) { [0]=> int(4) [1]=> int(1) [2]=> int(2) [3]=> int(3) }
Output for 5.6.38, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Parse error: syntax error, unexpected '...' (T_ELLIPSIS), expecting ']' in /in/bgqv6 on line 4
Process exited with code 255.

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