Lines Matching refs:null
69 return null;
174 if ($page->getPageIdAbbr() == null) return null;
192 * @return string|null return the decoded page id or null if it's not an encoded page id
196 if (empty($encodedPageId)) return null;
200 if ($calculatedCheckSum == null) return null;
201 if ($calculatedCheckSum != $checkSum) return null;
207 * @return string|null - the checksum letter or null if this is not a page id
216 return null;
226 * @return MarkupPath|null
234 return null;