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<?php $m = ['a' => 1, 0 => 'foo', 'k' => FALSE]; unset($m['a']); var_dump($m); unset($m[1]); var_dump($m);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(3) "foo" ["k"]=> bool(false) } array(2) { [0]=> string(3) "foo" ["k"]=> bool(false) }

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