note 102356 deleted from function.preg-last-error by danbrown

Note Submitter: asnyder at noloh dot com 

----

I thought this might be helpful for those that want to simply find out what error is being thrown without doing their own switch.

pcre_error_decode from Luminous, see http://luminous.googlecode.com/, GPL, http://www.gnu.org/licenses/

<?php

**
 * \ingroup LuminousUtils
 * \internal
 * \brief Decodes a PCRE error code into a string
 * \param errcode The error code to decode (integer)
 * \return A string which is simply the name of the constant which matches the
 *      error code (e.g. 'PREG_BACKTRACK_LIMIT_ERROR')
 */ 
function pcre_error_decode($errcode)
{
  switch ($errcode)
  {
    case PREG_NO_ERROR:
      return 'PREG_NO_ERROR';
    case PREG_INTERNAL_ERROR:
      return 'PREG_INTERNAL_ERROR';
    case PREG_BACKTRACK_LIMIT_ERROR:
      return 'PREG_BACKTRACK_LIMIT_ERROR';
    case PREG_RECURSION_LIMIT_ERROR:
      return 'PREG_RECURSION_LIMIT_ERROR';
    case PREG_BAD_UTF8_ERROR:
      return 'PREG_BAD_UTF8_ERROR';
    case PREG_BAD_UTF8_OFFSET_ERROR:
      return 'PREG_BAD_UTF8_OFFSET_ERROR';
    default:
      return 'Unknown error code';
  }
}
?>