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<?php $array = ['foo']; array_unshift($array, 'bar'); array_unshift($array, 'baz'); var_dump($array); $array = ['foo']; array_unshift($array, 'bar', 'baz'); var_dump($array);
Output for 7.4.30
array(3) { [0]=> string(3) "baz" [1]=> string(3) "bar" [2]=> string(3) "foo" } array(3) { [0]=> string(3) "bar" [1]=> string(3) "baz" [2]=> string(3) "foo" }

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