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@ 2015-01-26T23:17:32Z

<?php

$a = new DateTime();
$b = new DateTime('+5 minutes');

print_r(array_unique([$a->format('u'), $b->format('u')]));

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
array_unique: documentation ( source)

preferences:dark modelive preview

36.89 ms | 402 KiB | 5 Q