Unicode::caseFlip

public static Unicode::caseFlip($matches)

Flip U+C0-U+DE to U+E0-U+FD and back. Can be used as preg_replace callback.

Parameters

array $matches: An array of matches by preg_replace_callback().

Return value

string The flipped text.

File

core/lib/Drupal/Component/Utility/Unicode.php, line 657

Class

Unicode
Provides Unicode-related conversions and operations.

Namespace

Drupal\Component\Utility

Code

public static function caseFlip($matches) {
  return $matches[0][0] . chr(ord($matches[0][1]) ^ 32);
}
doc_Drupal
2016-10-29 09:50:21
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