public static function SuggestionHelper::tokenize in Autocomplete Search Suggestions 7

Tokenize the text into space separated lowercase strings.

Parameters

string $txt: The text to process.

int $min: The minimum number of characters in a token.

Return value

string The tokenized string.

3 calls to SuggestionHelper::tokenize()

SuggestionHelper::insert in src/SuggestionHelper.php

Add a suggestion.

suggestion_surfer_submit in ./suggestion.module

Custom submit function to add surfer suggestions.

_suggestion_admin_submit_stopwords in ./suggestion.admin.inc

Process stopwords.

File

src/SuggestionHelper.php, line 273

Helper methods for the suggestion module.

Class

SuggestionHelper

Provides helper methods for suggestions.

Code

public static function tokenize($txt = '', $min = 4) {
  $min--;
  $regx = array(
    '/[^a-z]+/s' => ' ',
    '/\\b(\\w{1,' . $min . '})\\b/s' => '',
    '/\\s\\s+/s' => ' ',
    '/^\\s+|\\s+$/s' => '',
  );
  return preg_replace(array_keys($regx), array_values($regx), strtolower(trim($txt)));
}