drupal_strtolower

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

Versions

4.7 – 7

drupal_strtolower($text)

Lowercase a UTF-8 string.

Code

includes/unicode.inc, line 431

<?php
function drupal_strtolower($text) {
  global $multibyte;
  if ($multibyte == UNICODE_MULTIBYTE) {
    return mb_strtolower($text);
  }
  else {
    // Use C-locale for ASCII-only lowercase
    $text = strtolower($text);
    // Case flip Latin-1 accented letters
    $text = preg_replace_callback('/\xC3[\x80-\x96\x98-\x9E]/', '_unicode_caseflip', $text);
    return $text;
  }
}
?>

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