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<?php $a = array("\0*\0_prot" => "dupa", "b" => "zupa"); var_dump((object) $a);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
object(stdClass)#1 (2) { ["_prot":protected]=> string(4) "dupa" ["b"]=> string(4) "zupa" }
Output for 5.0.0 - 5.2.17
object(stdClass)#1 (2) { ["_prot:protected"]=> string(4) "dupa" ["b"]=> string(4) "zupa" }
Output for 4.3.5 - 4.4.9
object(stdClass)(2) { ["*_prot"]=> string(4) "dupa" ["b"]=> string(4) "zupa" }
Output for 4.3.0 - 4.3.4
object(stdClass)(2) { [""]=> string(4) "dupa" ["b"]=> string(4) "zupa" }