public function appendMoney(Money $aMoney)
{
if ($aMoney->isZero()) {
return;
}
$old = $this->findMoney($aMoney->currency());
if ($old == NULL) {
$this->fMonies[] = $aMoney;
return;
}
$keys = array_keys($this->fMonies);
$max = count($keys);
for ($i = 0; $i < $max; $i++) {
if ($this->fMonies[$keys[$i]] === $old) {
unset($this->fMonies[$keys[$i]]);
break;
}
}
$sum = $old->add($aMoney);
if ($sum->isZero()) {
return;
}
$this->fMonies[] = $sum;
}