Same name and namespace in other branches
  1. 4.7.x includes/unicode.inc \_unicode_caseflip()
  2. 5.x includes/unicode.inc \_unicode_caseflip()
  3. 6.x includes/unicode.inc \_unicode_caseflip()

Flips U+C0-U+DE to U+E0-U+FD and back.

Parameters

$matches: An array of matches.

Return value

array The Latin-1 version of the array of matches.

See also

drupal_strtolower()

2 string references to '_unicode_caseflip'
drupal_strtolower in includes/unicode.inc
Lowercase a UTF-8 string.
drupal_strtoupper in includes/unicode.inc
Uppercase a UTF-8 string.

File

includes/unicode.inc, line 551
Provides Unicode-related conversions and operations.

Code

function _unicode_caseflip($matches) {
  return $matches[0][0] . chr(ord($matches[0][1]) ^ 32);
}