function search_index_split

Simplifies and splits a string into words for indexing.

Parameters

string $text: Text to process.

string|null $langcode: Language code for the language of $text, if known.

Return value

array Array of words in the simplified, preprocessed text.

See also

search_simplify()

File

core/modules/search/search.module, line 329

Code

function search_index_split($text, $langcode = NULL) {
    $last =& drupal_static(__FUNCTION__);
    $lastsplit =& drupal_static(__FUNCTION__ . ':lastsplit');
    if ($last == $text) {
        return $lastsplit;
    }
    // Process words
    $text = search_simplify($text, $langcode);
    $words = explode(' ', $text);
    // Save last keyword result
    $last = $text;
    $lastsplit = $words;
    return $words;
}