_unicode_caseflip

• Drupal 4.7
• Drupal 5
• Drupal 6
• Drupal 7

Versions

4.7 – 7

_unicode_caseflip($matches)

Helper function for case conversion of Latin-1. Used for flipping U+C0-U+DE to U+E0-U+FD and back.

Code

includes/unicode.inc, line 449

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

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