function drupal_strlen

7 unicode.inc drupal_strlen($text)
4.7 unicode.inc drupal_strlen($text)
5 unicode.inc drupal_strlen($text)
6 unicode.inc drupal_strlen($text)
8 unicode.inc drupal_strlen($text)

Counts the number of characters in a UTF-8 string.

This is less than or equal to the byte count.

Parameters

$text: The string to run the operation on.

Return value

integer The length of the string.

Related topics

PHP wrapper functions
Functions that are wrappers or custom implementations of PHP functions.
18 calls to drupal_strlen()
DrupalHtmlToTextTestCase::testVeryLongLineWrap in modules/simpletest/tests/mail.test
Tests that drupal_html_to_text() wraps before 1000 characters.
drupal_html_to_text in includes/mail.inc
Transforms an HTML string into plain text, preserving its structure.
field_create_field in modules/field/field.crud.inc
Creates a field.
hook_field_validate in modules/field/field.api.php
Validate this module's field data.
list_allowed_values_setting_validate in modules/field/modules/list/list.module
Element validate callback; check that the entered values are valid.

... See full list

File

includes/unicode.inc, line 475
Provides Unicode-related conversions and operations.

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("/[\x80-\xBF]/", '', $text));
  }
}