/**
* Override parent function to make links unique
* @see html2text::_build_link_list()
*/
function _build_link_list($link, $display)
{
// If links already exists, return its existing reference
if (array_key_exists($link, $this->links)) {
return $display . ' [' . $this->links[$link] . ']';
} else {
$result = parent::_build_link_list($link, $display);
preg_match('/\\[(\\d+)\\]$/', $result, $m);
$reference = $m[1];
$this->links[$link] = $reference;
return $result;
}
}