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<?php $obj = new stdClass(); $obj->{123} = "foo"; $obj->{'456'} = "bar"; $arr = (array)$obj; var_dump(serialize($obj), serialize($arr));
Output for git.master, git.master_jit, rfc.property-hooks
string(59) "O:8:"stdClass":2:{s:3:"123";s:3:"foo";s:3:"456";s:3:"bar";}" string(38) "a:2:{i:123;s:3:"foo";i:456;s:3:"bar";}"

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