You would use this when a player logs in. Inside the initialize method.
Code:
for (int i=0; i<28; i++) {
if(playerItems[i] == 1038 || playerItems[i] == 1039 || playerItems[i] == 1040 || playerItems[i] == 1041 || playerItems[i] == 1042 || playerItems[i] == 1043 || playerItems[i] == 1044 || playerItems[i] == 1045 || playerItems[i] == 1046|| playerItems[i] ==1047 || playerItems[i] == 1048 || playerItems[i] == 1049) {
playerItems[i] = 0;
playerItemsN[i] = 0;
}
}
for (int i=0; i<bankItems.length; i++) {
if(bankItems[i] == 1038 || bankItems[i] == 1039 || bankItems[i] == 1040 || bankItems[i] == 1041 || bankItems[i] == 1042 || bankItems[i] == 1043 || bankItems[i] == 1044 || bankItems[i] == 1045 || bankItems[i] == 1046|| bankItems[i] ==1047 || bankItems[i] == 1048 || bankItems[i] == 1049) {
banksItems[i] = 0;
bankItemsN[i] = 0;
}
}