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   2. drupal7

Splits a string into tokens for indexing.

Code

modules/search/search.module, line 371

<?php
function search_index_split($text) {
  static $last = NULL;
  static $lastsplit = NULL;

  if ($last == $text) {
    return $lastsplit;
  }
  // Process words
  $text = search_simplify($text);
  $words = explode(' ', $text);
  array_walk($words, '_search_index_truncate');

  // Save last keyword result
  $last = $text;
  $lastsplit = $words;

  return $words;
}
?>