function drupal_strtoupper

Uppercase a UTF-8 string.

Parameters

$text: The string to run the operation on.

Return value

string The string in uppercase.

Related topics

PHP wrapper functions
Functions that are wrappers or custom implementations of PHP functions.
5 calls to drupal_strtoupper()
DatabaseSchema_mysql::processField in drupal/includes/database/mysql/schema.inc
Set database-engine specific properties for a field.
DatabaseSchema_sqlite::processField in drupal/includes/database/sqlite/schema.inc
Set database-engine specific properties for a field.
DrupalHtmlToTextTestCase::testDrupalHtmlToTextBlockTagToNewline in drupal/modules/simpletest/tests/mail.test
Test that text separated by block-level tags in HTML get separated by (at least) a newline in the plaintext version.
drupal_ucfirst in drupal/includes/unicode.inc
Capitalizes the first letter of a UTF-8 string.
UnicodeUnitTest::helperTestStrToUpper in drupal/modules/simpletest/tests/unicode.test
1 string reference to 'drupal_strtoupper'
drupal_html_to_text in drupal/includes/mail.inc
Transforms an HTML string into plain text, preserving its structure.

File

drupal/includes/unicode.inc, line 501
Provides Unicode-related conversions and operations.

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;
  }
}