function _webform_validation_count_words in Webform Validation 7

Count the number of words in a value.

Strip HTML first.

Parameters

string|array $val: A string or array of strings in which to count words.

Return value

int The number of words in the input.

1 call to _webform_validation_count_words()

webform_validation_webform_validation_validate in ./webform_validation.validators.inc

Implements hook_webform_validation_validate().

File

./webform_validation.validators.inc, line 1036

Provides validation functionality and hooks.

Code

function _webform_validation_count_words($val) {
  $val = _webform_validation_flatten_array($val);

  // Strip any HTML tags so they're not counted in the word count.
  $val = strip_tags($val);

  // Convert character entities back to characters. Without this, entities for
  // whitespace characters would not be counted as word boundaries.
  $val = html_entity_decode($val);
  return count(preg_split('/[[:space:]\\xC2\\xA0]+/', $val));
}