function drupal_strtolower in Drupal 4

Same name and namespace in other branches

1. 5 includes/unicode.inc \drupal_strtolower()
2. 6 includes/unicode.inc \drupal_strtolower()
3. 7 includes/unicode.inc \drupal_strtolower()

Lowercase a UTF-8 string.

3 calls to drupal_strtolower()

book_export in modules/book.module

Menu callback; Generates various representation of a book page with all descendants and prints the requested representation to output.

search_index in modules/search.module

Update the full-text search index for a particular item.

search_simplify in modules/search.module

Simplifies a string according to indexing rules.

File

includes/unicode.inc, line 377

Code

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;
  }
}