Administrator / test_1

  <?php
  
  // Begin the session
  session_start();
  
  // To avoid case conflicts, make the input uppercase and check against the session value
  // If it's correct, echo '1' as a string
  if(strtoupper($_GET['captcha']) == $_SESSION['captcha_id'])
  	echo 'true';
  // Else echo '0' as a string
  else
  	echo 'false';
  
  ?>