function drupal_strlen in Drupal 5

Same name and namespace in other branches

1. 4 includes/unicode.inc \drupal_strlen()
2. 6 includes/unicode.inc \drupal_strlen()
3. 7 includes/unicode.inc \drupal_strlen()

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

5 calls to drupal_strlen()

search_expand_cjk in modules/search/search.module

Basic CJK tokenizer. Simply splits a string into consecutive, overlapping sequences of characters ('minimum_word_size' long).

search_index in modules/search/search.module

Update the full-text search index for a particular item.

theme_username in includes/theme.inc

Format a username.

_form_validate in includes/form.inc

Performs validation on form elements. First ensures required fields are completed, #maxlength is not exceeded, and selected options were in the list of options given to the user. Then calls user-defined validators.

_search_parse_query in modules/search/search.module

Helper function for search_parse_query();

File

includes/unicode.inc, line 366

Code

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("", '', $text));
  }
}