function drupal_strtoupper in Drupal 4

Same name and namespace in other branches

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

Uppercase a UTF-8 string.

2 calls to drupal_strtoupper()

drupal_ucfirst in includes/unicode.inc

Capitalize the first letter of a UTF-8 string.

tablesort_sql in includes/tablesort.inc

Create an SQL sort clause.

File

includes/unicode.inc, line 360

Code

function drupal_strtoupper($text) {
  global $multibyte;
  if ($multibyte == UNICODE_MULTIBYTE) {
    return mb_strtoupper($text);
  }
  else {

    // Use C-locale for ASCII-only uppercase
    $text = strtoupper($text);

    // Case flip Latin-1 accented letters
    $text = preg_replace_callback('/\\xC3[\\xA0-\\xB6\\xB8-\\xBE]/', '_unicode_caseflip', $text);
    return $text;
  }
}