php - Not getting sum of rows from table -


the results of <span>$invoicepartpaid1</span> , <span>$invoicepartpaid2</span> blank. there should sums. suggestions? 

$query="select distinct company, car_moto, packet companies userid='$userid' order company, car_moto, packet";  $result=mysql_query($query);  $num=mysql_numrows($result);  $i=0; while ($i < $num) {  $f0=mysql_result($result,$i,"company"); $f1=mysql_result($result,$i,"car_moto"); $f2=mysql_result($result,$i,"packet");  $sql_1 = "select sum(price_protect) partpaid1 companies company='$f0' , car_moto='$f1' , packet='$f2' , userid='$userid'"; $sql_2 = "select sum(clear_protect) partpaid2 companies company='$f0' , car_moto='$f1' , packet='$f2' , userid='$userid'";  $result_1=mysql_query($sql_1) or die('error query failed'); $result_2=mysql_query($sql_2) or die('error query failed');  while ($row_1 = mysql_fetch_array($result_1)) {  $invoicepartpaid1 = $row_1['partpaid1'];  } while ($row_2 = mysql_fetch_array($result_2)) {  $invoicepartpaid2 = $row_2['partpaid2'];  }     echo "<tr><td align='center'><span>$f0</span></td><td align='center'><span>$f1</span></td><td align='center'><span>$f2</span></td>"; echo "<td align='center'><span>$invoicepartpaid1</span></td><td align='center'><span>$invoicepartpaid2</span></td></tr>";      $i++;  }

replace line

$num=mysql_numrows($result);

by

$num=mysql_num_rows($result);

full code

<?php     $query="select distinct company, car_moto, packet companies userid='$userid' order company, car_moto, packet";     $result=mysql_query($query);     $num=mysql_num_rows($result);     $i=0;     while ($row=mysql_fetch_array($result)) {// loop results replacing $i < $num         $f0=$row["company"];         $f1=$row["car_moto"];         $f2=$row["packet"];          $sql_1 = "select sum(price_protect) partpaid1 companies company='$f0' , car_moto='$f1' , packet='$f2' , userid='$userid'";         $sql_2 = "select sum(clear_protect) partpaid2 companies company='$f0' , car_moto='$f1' , packet='$f2' , userid='$userid'";          $result_1=mysql_query($sql_1) or die('error query failed');         $result_2=mysql_query($sql_2) or die('error query failed');          $invoicepartpaid1=0;$invoicepartpaid2=0;         while ($row_1 = mysql_fetch_array($result_1)) {             $invoicepartpaid1 = $row_1['partpaid1'];         }         while ($row_2 = mysql_fetch_array($result_2)) {             $invoicepartpaid2 = $row_2['partpaid2'];         }         echo "<tr><td align='center'><span>$f0</span></td><td align='center'><span>$f1</span></td><td align='center'><span>$f2</span></td>";         echo "<td align='center'><span>$invoicepartpaid1</span></td><td align='center'><span>$invoicepartpaid2</span></td></tr>";         $i++;     } ?>

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