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function views_trim_text in Views (for Drupal 7) 7.3

Same name and namespace in other branches
  1. 8.3 views.module \views_trim_text()
  2. 6.3 views.module \views_trim_text()
  3. 6.2 views.module \views_trim_text()

Trim the field down to the specified length.

Parameters

array $alter:

  • max_length: Maximum length 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.

string $value: The string which should be trimmed.

2 calls to views_trim_text()
ViewsModuleTest::test_views_trim_text in tests/views_module.test
views_handler_field::render_trim_text in handlers/views_handler_field.inc
Trim the field down to the specified length.

File

./views.module, line 2700
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']);

    // @todo Replace this with cleanstring of CTools.
    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'])) {
      $value .= t('...');
    }
  }
  if (!empty($alter['html'])) {
    $value = _filter_htmlcorrector($value);
  }
  return $value;
}