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<?php $arr1 = ['key1' => 3, 'key2' => 4]; var_dump([1, 2, ...array_values($arr1), 5]); var_dump([1, 2, ...$arr1, 5]);
Output for 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(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } array(5) { [0]=> int(1) [1]=> int(2) ["key1"]=> int(3) ["key2"]=> int(4) [2]=> int(5) }
Output for 7.4.4 - 7.4.33, 8.0.0 - 8.0.30
array(5) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) } Fatal error: Uncaught Error: Cannot unpack array with string keys in /in/jDLei:4 Stack trace: #0 {main} thrown in /in/jDLei on line 4
Process exited with code 255.
Output for 7.1.25 - 7.1.30, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '...' (T_ELLIPSIS), expecting ']' in /in/jDLei on line 3
Process exited with code 255.

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