4.7.x unicode.inc drupal_strtolower($text)
5.x unicode.inc drupal_strtolower($text)
6.x unicode.inc drupal_strtolower($text)
7.x unicode.inc drupal_strtolower($text)

Lowercase a UTF-8 string.

6 calls to drupal_strtolower()
book_export in modules/book/book.pages.inc
Menu callback; Generates various representation of a book page and its children.
search_index in modules/search/search.module
Update the full-text search index for a particular item.
search_simplify in modules/search/search.module
Simplifies a string according to indexing rules.
template_preprocess_page in includes/theme.inc
Process variables for page.tpl.php
theme_update_report in modules/update/update.report.inc
Theme project status report.

... See full list


includes/unicode.inc, line 437


function drupal_strtolower($text) {
  global $multibyte;
  if ($multibyte == UNICODE_MULTIBYTE) {
    return mb_strtolower($text);
  else {

    // Use C-locale for ASCII-only lowercase
    $text = strtolower($text);

    // Case flip Latin-1 accented letters
    $text = preg_replace_callback('/\\xC3[\\x80-\\x96\\x98-\\x9E]/', '_unicode_caseflip', $text);
    return $text;