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<?php $a = new DateTime(); $b = new DateTime('+5 minutes'); print_r(array_unique([$a->format('u'), $b->format('u')]));
Output for git.master
Array ( [0] => 003477 [1] => 003490 )
Output for git.master_jit
Array ( [0] => 003677 [1] => 003689 )
Output for rfc.property-hooks
Array ( [0] => 004497 [1] => 004508 )

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