src/PoHeader.php
public function setRevisionDate(?int $time = null): void
    {
        $this->setHeader('PO-Revision-Date', $this->formatTimestamp($time));
    }
public function setRevisionDate(?int $time = null): void
    {
        $this->setHeader('PO-Revision-Date', $this->formatTimestamp($time));
    }
public function setRevisionDate ( ? int $ time = null ) : void { $ this -> setHeader ( 'PO-Revision-Date' , $ this -> formatTimestamp ( $ time ) ) ; }
Set the PO-Revision-Date header

@param integer|null $time unix timestamp, null to use current

@return void
Set the PO - Revision - Date header