I tried this code but it only fetch the value of last value in comma
I have in INVOICEVALUE = 1,2
and it only fetch the 2
$INVOICEVALUE = $_REQUEST["INVOICEVALUE"];
$VALUE = explode(',', $INVOICEVALUE);
foreach ($VALUE as $val) {
$invoiceselected = mysqli_query($link, "select SUM(INVOICE_AMOUNT) as AMOUNT,INVOICE_CODE,INVOICE_STATUS,PAYMENT_STATUS,INVOICE_TRANSACTIONDATE,INVOICE_UNITPRICE,CUSTOMER_ID,CUSTOMER_ID
from invoice where INVOICE_CODE ='" . $val . "'
AND INVOICE_STATUS='CLOSE' AND PAYMENT_STATUS=''
GROUP BY INVOICE_CODE");
}