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<?php $arr = ['a', 'foo' => 'b']; var_dump(array_splice($arr, 0, 2)); $arr = ['a', 'b']; var_dump(array_splice($arr, 0, 2));
Output for 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(2) { [0]=> string(1) "a" ["foo"]=> string(1) "b" } array(2) { [0]=> string(1) "a" [1]=> string(1) "b" }

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