LOS hell_fire, evil_wizard

Sorry, this challenge is broken! (Thanks to @dohyeokkim)
HELL_FIRE Clear!
<?php
  include "./config.php"; 
  login_chk(); 
  dbconnect(); 
  echo "<h1>Sorry, this challenge is broken! (Thanks to <i>@dohyeokkim</i>)</h1>";
  solve("hell_fire");
  highlight_file(__FILE__);
?>

Sorry, this challenge is broken! (Thanks to @dohyeokkim)
EVIL_WIZARD Clear!
<?php
  include "./config.php"; 
  login_chk(); 
  dbconnect(); 
  if(preg_match('/_|\.|\(\)/i', $_GET[limit])) exit("No Hack ~_~");
  echo "<h1>Sorry, this challenge is broken! (Thanks to <i>@dohyeokkim</i>)</h1>";
  solve("evil_wizard");
  highlight_file(__FILE__);
?>