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<?php $a=[1,2]; $b=[2,...$a, 1=>3]; var_dump($b);
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
array(3) { [0]=> int(2) [1]=> int(3) [2]=> int(2) }
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '...' (T_ELLIPSIS), expecting ']' in /in/RmJsd on line 3
Process exited with code 255.

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