php function to query and get one row from a mysql database

select-one-row-from-mySql-db.php

define('DB_SERVER', 'localhost');
define('DB_USERNAME', 'username');
define('DB_PASSWORD', 'password');
define('DB_NAME', 'database_name');

$con = mysqli_connect(DB_SERVER, DB_USERNAME, DB_PASSWORD, DB_NAME);
  // Check connection
  if($con === false){
    die("ERROR: Could not connect. " . mysqli_connect_error());
}
//function to get one row
function getRowFromId($uId, $c){
  $query = mysqli_query($c, "SELECT * FROM table where id=$uId");  //replace * will name of columns if you want specific columns only
  $row = mysqli_fetch_row($query);
  return $row;   //returns an array
}

//call function
$name = getRowFromId($some_unique_id, $con);   //don't forget to pass the MySQL link identifier, otherwise if won't work
//$some_unique_id =  any column to uniquely identify each row, IMO use primary key
//function will return an array of size of number of columns in db
print_r($name);  //to view the whole array
echo $name[0];
echo $name[1];  //use index 0 to sizeof($name)-1 to access each value