title: smarty not working on new server PHP Version 5.2.6
body: <p>Warning: preg_match() [function.preg-match]: Compilation failed: repeated subpattern is too long at offset 18454 in /Smarty_Compiler.class.php on line 454</p>
  
  <p>Fatal error: Smarty error: [in login.tpl line 1]: syntax error: unrecognized tag: php (Smarty_Compiler.class.php, line 455)</p>
  
  <p>this message coming.. it was working perfect on dev server but on live server its not working.</p>
  
  <p>Dev php version was  5.2.14
  new server has PHP Version 5.2.6</p>
  
  <p>is this the problem?</p>