private function replaceTagInMetadata($metadataTag)
{
$doc = JFactory::getDocument();
$description = $doc->getDescription();
$replace = SCSocialUtilities::stripSystemTags($description, $metadataTag);
if ($replace) {
$description = SCStringUtilities::trimNBSP($description);
$doc->setDescription($description);
}
}
protected function getSelectedText($contentText, $socialGraphFirstText, $numCharacters)
{
$articleText = SCStringUtilities::trimNBSP($contentText);
$articleText = strip_tags($articleText);
$articleText = preg_replace('/\\s+/', ' ', $articleText);
$articleText = str_replace('{K2Splitter}', '', $articleText);
SCSocialUtilities::stripSystemTags($articleText, 'JFBC');
SCSocialUtilities::stripSystemTags($articleText, 'JLinked');
SCSocialUtilities::stripSystemTags($articleText, 'SC');
SCSocialUtilities::stripSystemTags($articleText, 'loadposition');
$articleText = trim($articleText);
$addEllipsis = false;
if ($socialGraphFirstText == '1') {
$addEllipsis = strlen($articleText) > $numCharacters;
if (function_exists('mb_substr')) {
$articleText = mb_substr($articleText, 0, $numCharacters, 'UTF-8');
} else {
$articleText = substr($articleText, 0, $numCharacters);
}
} else {
if ($socialGraphFirstText == '2') {
if (function_exists('mb_split')) {
$parts = mb_split('\\s+', $articleText);
} else {
$parts = preg_split('/\\s+/', $articleText);
}
$selParts = array_slice($parts, 0, $numCharacters);
$articleText = implode(" ", $selParts);
$addEllipsis = count($parts) > $numCharacters;
} else {
$articleText = '';
}
}
if ($addEllipsis) {
$articleText .= '...';
}
return $articleText;
}
