function views_trim_text

Trim the field down to the specified length.

Parameters

$alter:

• max_length: Maximum lenght of the string, the rest gets truncated.
• word_boundary: Trim only on a word boundary.
• ellipsis: Show an ellipsis (...) at the end of the trimmed string.
• html: Take sure that the html is correct.

$value: The string which should be trimmed.

File

drupal/core/modules/views/views.module, line 2174

Primarily Drupal hooks and global API functions to manipulate views.

Code

function views_trim_text($alter, $value) {
  if (drupal_strlen($value) > $alter['max_length']) {
    $value = drupal_substr($value, 0, $alter['max_length']);
    if (!empty($alter['word_boundary'])) {
      $regex = "(.*)\\b.+";
      if (function_exists('mb_ereg')) {
        mb_regex_encoding('UTF-8');
        $found = mb_ereg($regex, $value, $matches);
      }
      else {
        $found = preg_match("/{$regex}/us", $value, $matches);
      }
      if ($found) {
        $value = $matches[1];
      }
    }

    // Remove scraps of HTML entities from the end of a strings
    $value = rtrim(preg_replace('/(?:<(?!.+>)|&(?!.+;)).*$/us', '', $value));
    if (!empty($alter['ellipsis'])) {

      // @todo: What about changing this to a real ellipsis?
      $value .= t('...');
    }
  }
  if (!empty($alter['html'])) {
    $value = _filter_htmlcorrector($value);
  }
  return $value;
}