function replace(&$string, $area = 'articles')
{
list($pre_string, $string, $post_string) = NNText::getContentContainingSearches($string, $this->params->start_tags, null, 200, 500);
if ($string == '' || !NNText::stringContains($string, $this->params->start_tags)) {
$string = $pre_string . $string . $post_string;
return;
}
$regex = $this->params->regex;
if (@preg_match($regex . 'u', $string)) {
$regex .= 'u';
}
$matches = array();
$protects = array();
if (!preg_match_all($regex, $string, $matches, PREG_SET_ORDER)) {
$string = $pre_string . $string . $post_string;
return;
}
foreach ($matches as $match) {
if (strpos($string, $match['0']) === false) {
continue;
}
if ($this->processMatch($string, $match, $area)) {
continue;
}
$protected = $this->params->protect_start . base64_encode($match['0']) . $this->params->protect_end;
$string = str_replace($match['0'], $protected, $string);
$protects[] = array($match['0'], $protected);
}
unset($matches);
foreach ($protects as $protect) {
if (strpos($string, $protect['1']) === false) {
continue;
}
$string = str_replace($protect['1'], $protect['0'], $string);
}
$string = $pre_string . $string . $post_string;
}
