fix conflict

app/Http/Controllers/DS/DealerClaimController.php

 	}
 
 	public function generateInvoiceNumber($formT,$dealer,$month,$year){
-		$claim = DealerClaim::where('formT',$formT)->where('dealer',$dealer)->where('activated_my',$month.'/'.$year)->get();
+		$claim = DealerClaim::where('formT',$formT)->where('dealer',$dealer)->where('activated_my',$month.'/'.$year)->first();
+
+		if(!empty($claim->invoice_no)){
+			return $claim->invoice_no;
+		}else{
+			//get latest invoice number
+			$invoice = DealerClaim::where('formT',$formT)->withTrashed()->latest()->first();
+
+			//sanitize invoice number to return only integer
+			$num = filter_var($invoice['invoice_no'], FILTER_SANITIZE_NUMBER_INT);
+
+			//compulsory increment to store new invoice number, WHILE number is found, keep looping
+			do{
+
+				(int)$num += 1;
+
+				//add 0s at the fornt if number to complete 9 digit
+				if ((strlen((string) $num)) == 2) {
+					$num = '0000000'.$num;
+				}elseif ((strlen((string)$num)) == 3){
+					$num = '000000'.$num;
+				}elseif ((strlen((string)$num )) == 4) {
+					$num = '00000'.$num;
+				}elseif ((strlen((string)$num )) == 5) {
+					$num = '0000'.$num;
+				}elseif ((strlen((string)$num )) == 6) {
+					$num = '000'.$num;
+				}elseif ((strlen((string)$num )) == 7) {
+					$num = '00'.$num;
+				}elseif ((strlen((string)$num )) == 8) {
+					$num = '0'.$num;
+				}
 
-		foreach ($claim as $key => $c){
-			$c->invoice_no = 'B000000018';
-			$c->save();
+			}while(!empty(DealerClaim::where('formT', $formT)->where('invoice_no', $formT.$num)->first()));
+		
+			$num = $formT.$num;
+			return $num;
 		}
 	}
 }