function _customfilter_filter_process in Custom filter 7

Same name and namespace in other branches

1. 7.2 customfilter.module \_customfilter_filter_process()

Process the text, apply the filters

Parameters

string $text: The text to process(the node content)

object $filter: Information about the filter from drupal

object $format: Information about the format from drupal

Return value

string The text after all changes by the filters are done

1 string reference to '_customfilter_filter_process'

customfilter_filter_info in ./customfilter.module

Implements hook_filter_info().

File

./customfilter.module, line 85

Allows the users with the right permission to define custom filters.

Code

function _customfilter_filter_process($text, $filter, $format) {

  // If the text passed is an empty string, then return it immediately.
  if (empty($text)) {
    return '';
  }
  $filters = _customfilter_get_filters();
  $item = '';

  // @todo look if there is not a php function for this
  foreach ($filters as $itens) {
    if ($itens['type'] == $filter->name) {
      $item = $itens;
    }
  }

  // If the filter cannot be loaded from the database, then return the text
  // passed to the function.
  if (!$item) {
    return $text;
  }
  $globals =& _customfilter_globals('push');
  $globals->text = $text;
  $result = db_query("SELECT fid FROM {customfilter_filter} WHERE name = :name", array(
    ':name' => $item['name'],
  ))
    ->fetchField();
  $rules = _customfilter_get_rules($result);
  if (is_array($rules) && count($rules)) {

    // Reset the object containing the global variables.
    _customfilter_code_vars(TRUE);

    // Prepare the stack used to save the parent rule.
    $globals->stack = array();
    foreach ($rules as $rule) {
      if ($rule['enabled']) {
        $globals->stack[] = $rule;
        $globals->text = preg_replace_callback($rule['pattern'], '_customfilter_process', $globals->text);
        array_pop($globals->stack);
      }
    }
  }
  $result = $globals->text;
  _customfilter_globals('pop');
  return $result;
}