database - multiple sql queries on single php page -

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i have code

 <?php include("db.php"); $sql="select * lead"; $result=mysqli_query($conn, $sql); $i=0;  ?>  <?php while($row=mysqli_fetch_array($result)) {  if($row['del']==1){  $sql1="select count(*) notes lead_id='$row[lead_id]'"; $var=mysqli_query($conn,$sql1);                 $var=mysqli_query($conn,$sql1);                 $var1=mysqli_num_rows($var); ?>

and below php code table displays data fetched $row.the problem not getting correct count of rows.it shows 1 have multiple rows same lead id

you call $sql1="select count(*) notes lead_id='$row[lead_id]'";
and have
$var=mysqli_query($conn,$sql1); $var1=mysqli_num_rows($var);
but mysql_query return 1 row count(*).
have
$sql1="select * notes lead_id='$row[lead_id]'";
and call
mysqli_num_rows($var);


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