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<?php $x = [ 'a' => [], ]; function a(array $a) { array_shift($a); } a($x); var_dump($x); array_shift($x); var_dump($x); //var_dump(empty(array_shift($x)['Slide']));
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["a"]=> array(0) { } } array(0) { }

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