title: mysqli_select_db() expects parameter 1 to be mysqli, string given
body: <p>I am new to Mysqli_* and I am getting these errors:</p>
  
  <blockquote>
    <p>Warning: mysqli_select_db() expects parameter 1 to be mysqli, string
    given in D:\Hosting\9864230\html\includes\connection.php on line 11</p>
    
    <p>Warning: mysqli_error() expects exactly 1 parameter, 0 given in
    D:\Hosting\9864230\html\includes\connection.php on line 13</p>
  </blockquote>
  
  <p>Database selection failed:</p>
  
  <pre><code>&lt;?php
  require("constants.php");
  
  // 1. Create a database connection
  $connection = mysqli_connect(DB_SERVER,DB_USER,DB_PASS);
  if (!$connection) {
      die("Database connection failed: " . mysqli_error());
  }
  
  // 2. Select a database to use 
  $db_select = mysqli_select_db(DB_NAME,$connection);
  if (!$db_select) {
      die("Database selection failed: " . mysqli_error());
  }
  ?&gt;
  </code></pre>