A simple php snippet for querying data from a database using mysqli

ExecuteQuery.php

$query="select * from your_table where";
$resultSet = mysqli_query($con,$query);
$size = mysqli_num_rows($resultSet);

if($size>0){
  while($resultRow = mysqli_fetch_array($resultSet)){
    $fieldValue = $resultRow['field_name'];
  }
}