function codefilter_filter in Code Filter 6

Same name and namespace in other branches

1. 5 codefilter.module \codefilter_filter()

Implementation of hook_filter()

File

./codefilter.module, line 126

Code

function codefilter_filter($op, $delta = 0, $format = -1, $text = '') {
  switch ($op) {
    case 'list':
      return array(
        0 => t('Code filter'),
      );
    case 'description':
      return t('Allows users to post code verbatim using <code> and <?php ?> tags.');
    case 'prepare':

      /**
       * We replace <code> </code>, <?php ?>, [?php ?], to prevent other filters
       * from acting on them.
       */
      $text = preg_replace_callback('@<code>(.+?)</code>@s', '_codefilter_escape_code_tag', $text);
      $text = preg_replace_callback('@[\\[<](\\?php)(.+?)(\\?)[\\]>]@s', '_codefilter_escape_php_tag', $text);
      return $text;
    case 'process':
      $text = preg_replace_callback('@\\[codefilter_code\\](.+?)\\[/codefilter_code\\]@s', 'codefilter_process_code', $text);
      $text = preg_replace_callback('@\\[codefilter_php\\](.+?)\\[/codefilter_php\\]@s', 'codefilter_process_php', $text);
      return $text;
    default:
      return $text;
  }
}