search_keywords_variation

Versions

4.6

search_keywords_variation($text)

Loosens up a set of search keywords by adding wildcards, if possible.

Parameters

$text The keywords as entered by the user.

Return value

If more wildcards can be added, the adjusted keywords are returned. If the query is already as loose as possible, NULL is returned.

Code

modules/search.module, line 293

<?php
function search_keywords_variation($text) {
  $text = trim($text);
  $new = preg_replace('/\*+/', '*', '*'. implode('* *', explode(' ', trim($text))) .'*');
  return ($new != $text) ? $new : NULL;
}
?>

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