drupal_strlen

Versions
4.7 – 7: drupal_strlen($text)

Count the amount of characters in a UTF-8 string. This is less than or equal to the byte count.

▸ 4 functions call drupal_strlen()

▾ 4 functions call drupal_strlen()

search_expand_cjk in modules/search.module: Basic CJK tokenizer. Simply splits a string into consecutive, overlapping sequences of characters ('minimum_word_size' long).
search_index in modules/search.module: Update the full-text search index for a particular item.
theme_username in includes/theme.inc: Format a username.
_search_parse_query in modules/search.module: Helper function for search_parse_query();

Code

includes/unicode.inc, line 346

<?php
function drupal_strlen($text) {
  global $multibyte;
  if ($multibyte == UNICODE_MULTIBYTE) {
    return mb_strlen($text);
  }
  else {
    // Do not count UTF-8 continuation bytes.
    return strlen(preg_replace("/[\x80-\xBF]/", '', $text));
  }
}
?>

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