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<?php $obj = (object) ["test"]; $zeroInt = 0; $zeroString = "0"; var_dump( $obj, $obj->{0}, $obj->{"0"}, $obj->$zeroInt, $obj->$zeroString );
Output for git.master, git.master_jit, rfc.property-hooks
object(stdClass)#1 (1) { ["0"]=> string(4) "test" } string(4) "test" string(4) "test" string(4) "test" string(4) "test"

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