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function biblio_normalize_title in Bibliography Module 6.2

Same name and namespace in other branches
  1. 7 includes/biblio.util.inc \biblio_normalize_title()
  2. 7.2 includes/biblio.util.inc \biblio_normalize_title()

Parameters

string $title:

2 calls to biblio_normalize_title()
biblio_update_6034 in ./biblio.install
Update ...
_biblio_prepare_submit in ./biblio.module
Prepares a biblio node for submit to database.

File

includes/biblio.util.inc, line 16

Code

function biblio_normalize_title($title) {
  $stop_words = 'a,an,the,is,on';
  $stop_words = explode(',', variable_get('biblio_stop_words', $stop_words));
  if (!@preg_match('/\\pL/u', 'a')) {

    // probably a broken PCRE library
    $title = trim(_strip_punctuation($title));
  }
  else {

    // Unicode safe filter for the value
    $title = trim(_strip_punctuation_utf8($title));
  }
  $title = trim(_strip_punctuation($title));
  mb_regex_encoding("utf-8");
  $title_words = mb_split(' +', $title);
  while (array_search(drupal_strtolower($title_words[0]), $stop_words) !== FALSE) {
    array_shift($title_words);
  }
  return drupal_substr(implode(' ', $title_words), 0, 64);
}