// http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
- $elements = $xpath->query('//*[contains(.,"'.$word.'")]');
+ $also_query = '';
+ foreach(array(strtolower($word), strtoupper($word), ucfirst(strtolower($word))) as $word_cap) {
+ $also_query .= ' or contains(.,"'.$word_cap.'")' ;
+ }
+ $elements = $xpath->query('//*[contains(.,"'.$word.'")' . $also_query . ']');
foreach ($elements as $element) {
foreach ($element->childNodes as $child) {
if (!$child instanceof DomText) continue;
- $fragment = $doc->createDocumentFragment();
- $text = $child->textContent;
+ $fragment = $doc->createDocumentFragment();
+ $text = $child->textContent;
$stubs = array();
while (($pos = mb_stripos($text, $word)) !== false) {