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<?php $x = new \DateTime('2018/01/01 00:00:00'); $y = new \DateTime('2018/01/01 00:00:00'); $y->foo = 'bar'; var_dump($x == $y);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Creation of dynamic property DateTime::$foo is deprecated in /in/sAfcH on line 5 bool(true)

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