function drupal_strtolower

Lowercase a UTF-8 string.

Related topics

PHP wrapper functions
Functions that are wrappers or custom implementations of PHP functions.
68 calls to drupal_strtolower()

File

drupal/core/includes/unicode.inc, line 432

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;
  }
}