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<?php $key = 1; $obj = new stdClass; $obj->$key = 'val'; $arr = (array) $obj; var_dump($arr); var_dump($key); var_dump(isset($arr[$key]));
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [1]=> string(3) "val" } int(1) bool(true)

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