title: PHP variable value from string
body: <p>How can I get value from variable which is string ?</p>
  
  <pre><code>$Member_Student        = 3600;
  $selectedItem = "Member_Student";
  $price = "$" . $selectedItem;
  print_r($price); //prints $Member_Student instead of 3600
  </code></pre>
  
  <p>I cannot use eval function.</p>