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<?php $old = ['created' => new \DateTime()]; $new = ['created' => new \DateTime('+1 minute')]; $changeset = array_merge($old, $new); var_dump($changeset, $changeset['created'] instanceof \DateTime);
Output for git.master
array(1) { ["created"]=> object(DateTime)#2 (3) { ["date"]=> string(26) "2015-11-02 15:04:10.003543" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } } bool(true)
Output for git.master_jit
array(1) { ["created"]=> object(DateTime)#2 (3) { ["date"]=> string(26) "2015-11-02 15:04:10.003862" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } } bool(true)
Output for rfc.property-hooks
array(1) { ["created"]=> object(DateTime)#2 (3) { ["date"]=> string(26) "2015-11-02 15:04:10.003789" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } } bool(true)

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