search_index_split($text, $langcode = NULL)
Simplifies and splits a string into words for indexing.
Parameters
string $text: Text to process.
string|null $langcode: Language code for the language of $text, if known.
Return value
array Array of words in the simplified, preprocessed text.
See also
File
- core/modules/search/search.module, line 361
- Enables site-wide keyword searching.
Code
function search_index_split($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;
}
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