PHP Script to Connect to Database and Get List of Departments

#!/usr/bin/php
<?php
// Connecting, selecting database
  $mysqli = new mysqli('localhost','class','cscie12','coursecatalog');
  if ($mysqli->connect_errno) {
      echo "Failed to connect to mysql: ".$mysqli->connect_errno." ".$mysqli->connect_error;
  }

// Performing SQL query
$query = 'SELECT distinct department_short, department_code FROM courses order by department_short';
$result = $mysqli->query($query);

// iterating through results
while ($row = $result->fetch_assoc()){
  echo $row['department_code'];
  echo "\t";
  echo $row['department_short'];
  echo "\n";
}
?>

Output