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<?php $di = (new DateTime())->diff(new DateTime('+ 3 days')); var_dump($di->days); var_dump($di->days += 1); var_dump($di->days);
Output for git.master, git.master_jit, rfc.property-hooks
int(3) Deprecated: Creation of dynamic property DateInterval::$days is deprecated in /in/h8Cju on line 5 int(4) int(3)

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