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@ 2015-04-10T13:38:26Z

<?php

if (class_exists('DateTimeImmutable')) {
    echo serialize(new DateTimeImmutable('2015-01-01 00:00:00.123456'));
}

Output
Performance
VLD
References
Branches

class_exists: documentation ( source)
serialize: documentation ( source)

preferences:dark modelive preview

35.73 ms | 402 KiB | 5 Q