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@ 2017-01-20T22:58:46Z

<?php

class MyDateInterval extends DateInterval
{
    public function tryToChangeDays()
    {
        $this->days = "something else";
    }
}

$interval = new MyDateInterval('P2Y4DT6H8M');

var_dump($interval->days);

$interval->tryToChangeDays();

var_dump($interval->days);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

27.49 ms | 404 KiB | 5 Q